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GRE阅读讲座第四讲作业集[分享] [复制链接]

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荣誉版主 寄托之心勋章

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发表于 2004-1-6 08:45:31 |只看该作者 |倒序浏览
例文1          笔记栏  N) R8 }- j* u/ J5 t9 _: {; h
"Popular art" has a number of meanings, impossible
; Z% U6 ^/ N/ d6 m. H$ _to define with any precision, which range from folklore/ [- \( R( B" ^. P! V
to junk. The poles are clear enough, but the middle
4 r" C) x8 D( w! t/ wtends to blur. The Hollywood Western of the 1930's, for7 a7 f6 e6 S: p8 t
(5)  example, has elements of folklore, but is closer to junk
/ a( W$ |5 [+ W* P' o' W4 Othan to high art or folk art. There can be great trash, ( L# [7 f3 Y5 K+ X& n
just as there is bad high art. The musicals of George
5 j# `$ b; Z% e0 @0 Q+ @Gershwin are great popular art, never aspiring to high  / ]; C0 |2 ], g7 \" z/ _
art. Schubert and Brahms, however, used elements of
0 R3 l; h- x2 B; G# f(10) popular music—folk themes—in works clearly intended - [' n* e7 J" @  s; R1 c$ F
as high art. The case of Verdi is a different one: he took
: ~3 I1 N1 e$ Ya popular genre—bourgeois melodrama set to music (an
: C; z; o7 b" \# M( _accurate definition of nineteenth-century opera)—and,/ a: J. @$ c5 ?: l
without altering its fundamental nature, transmuted it
8 Q) @/ [6 X$ ]# O4 @(15) into high art. This remains one of the greatest achieve-  [+ v* t1 e7 y$ F+ A4 W
ments in music, and one that cannot be fully appreciated; @5 s' `; Z! @
  without recognizing the essential trashiness of the genre.
* {+ G# E  I! @  m* uAs an example of such a transmutation, consider
5 R6 m) e9 j: I7 R$ twhat Verdi made of the typical political elements of
1 N+ @( G; f6 A9 c(20) nineteenth-century opera. Generally in the plots of these
; t, @5 p9 f, V6 Joperas, a hero or heroine—usually portrayed only as an
! W# }. M) ^+ H8 Findividual, unfettered by class—is caught between the
9 \8 k* B0 Z2 k( Q7 bimmoral corruption of the aristocracy and the doctri-
4 h8 y& J+ |. r; q% o1 M" \& }. Dnaire rigidity or secret greed of the leaders of the prole-' p8 i/ T6 O' e. G: l2 o* K5 A+ C
(25) tariat. Verdi transforms this naive and unlike formula-
- w- q" m' d1 otion with music of extraordinary energy and rhythmic* C. l2 d1 g/ D
vitality, music more subtle than it seems at first hearing.
* d9 U7 H; ^2 S2 Y0 e3 w+ S4 aThere are scenes and arias that still sound like calls to 7 u5 l6 C: Z3 k+ X" t: `* F2 E
arms and were clearly understood as such when they * [* z+ [  M- m4 w: Q
(30) were first performed. Such pieces lend an immediacy to
# Q9 ]* W* _. X$ hthe otherwise veiled political message of these operas
6 O( ?- q* D$ W, S+ Pand call up feelings beyond those of the opera itself.. \  Q9 t7 @5 _4 f1 s1 W
Or consider Verdi's treatment of character. Before
9 t1 C4 D! Z, Z  wVerdi, there were rarely any characters at all in musical
: c. f' w/ E, q(35) drama, only a series of situations which allowed the - m8 ?+ d" `+ o  Y  F
singers to express a series of emotional states.Any2 e: ~+ a3 j9 S* ^# s( H, W! C
attempt to find coherent psychological portrayal in these+ ?, s* m" `& s$ }8 L& c2 o
operas is misplaced ingenuity. The only coherence was
, E% h6 X3 \8 [- w* \- e& u0 Mthe singer's vocal technique: when the cast changed, new/ F. S6 \, S' s9 K. N8 I5 l  @
(40) arias were almost always substituted, generally adapted
: U8 }# H4 T1 |' @( F3 O" q$ Sfrom other operas. Verdi's characters, on the other hand,2 k3 y  p3 a; r2 l
have genuine consistency and integrity, even if, in many $ P, n* E, u* i2 o1 r% z  ^
cases, the consistency is that of pasteboard melodrama. ; |. D. r2 s3 b2 ?3 a% Q9 D" w6 V
The integrity of the character is achieved through the
7 F  v+ F8 y& h. Z6 }. m! f(45) music: once he had become established, Verdi did not1 o. @4 @7 _' a& X
rewrite his music for different singers or countenance
- G) H7 e5 R; [6 k) B) Yalterations or substitutions of somebody else's arias in ' A2 e( E% N) r1 V
one of his operas, as every eighteenth-century composer 7 Z4 u% B- P" z0 L5 r5 ~, H
had done. When he revised an opera, it was only for ( b0 N# o0 D9 W+ J
(50) dramatic economy and effectiveness.       
  o& ?9 h  B' F' M1.According to the passage, all of the following characterize musical drama before Verdi EXCEPT
/ R, c% _& D/ {5 ?3 X3 |: N) g(A)        arias tailored to a particular singer's ability.
: A1 k+ z3 n' U# P(B)        adaptation of music from other operas.
! _, o; C: R. S$ N/ N(C)        psychological inconsistency in the portrayal of characters.& p* i: @0 R  [2 |
(D)        expression of emotional states in a series of dramatic situations.
$ n8 i4 m7 J9 m6 V0 c(E)        music used for the purpose of defining a character.
! d, `. J8 q  @- C5 b2.It can be inferred that the author regards Verdi's revisions to his operas with) S. Q1 Y$ J: t) `+ L+ g0 f
(A)        regret that the original music and texts were altered.% _  p3 m: f( m! F+ z: {
(B)        concern that many of the revisions altered the plots of the original work.
: `% ?5 c# w. j+ f( U% ~6 N, J(C)        approval for the intentions that motivated the revisions.
; o) C' ^! f# F# L) Q& P" [5 H" v(D)        puzzlement, since the revisions seem largely insignificant.( q" U' W. T- E) R4 I
(E)        enthusiasm, since the revisions were aimed at reducing the conventionality of the operas' plots.
# n( @2 a" F9 B" d6 k+ N2 _3. According to the passage, one of Verdi's achievements within the framework of nineteenth
, @7 f8 C: Z  _% h-century opera and its conventions was to
# j& N1 @# h9 W3 T6 E(A)        limit the extent to which singers influenced the musical compositions and performance of his operas.
5 H0 r/ u* c0 {8 C  Y) @(B)        use his operas primarily as forums to protest both the moral corruption and dogmatic rigidity of the political leaders of his time.
1 q2 E0 v) D: F% N" o- j, a(C)        portray psychologically complex characters shaped by the political environment surrounding them.% X' {( H& u3 w! ]0 h" B
(D)        incorporate elements of folklore into both the music and plots of his operas.
( L; n1 N1 K# I5 n(E)        introduce political elements into an art form that had traditionally avoided political content.
3 [, x* J% P/ M7 S$ T; }4.Which of the following best describes the relationship of the first paragraph of the passage to the passage as a whole?
' A: @  t4 V! l0 ]* ?5 F/ v(A)        It provides a group of specific examples from which generalizations are drawn later in the passage.% Q% F( u! r5 f  N0 e# o
(B)        It leads to an assertion that is supported by examples later in the passage.
8 C4 F, @* T' s- ^$ S% k(C)        It defines terms and relationships that are challenged in an argument later in the passage.) Q# F( F( V- l" p. {6 e. Q
(D)        It briefly compares and contrasts several achievements that are examined in detail later in the passage.
5 H: B% V8 @& k/ ]6 n(E)        It explains a method of judging a work of art, a method that is used later.
! r2 N0 o5 p$ Z8 a5.It can be inferred that the author regards the independence from social class of the heroes and heroines of nineteenth-century opera as.5 k6 L0 J3 Q, h2 R5 e" ~% E
(A)        an idealized but fundamentally accurate portrayal of bourgeois life.0 s" z$ q0 B' A" A% Q: H( O" f) s% X
(B)        a plot convention with no real connection to political reality.
% P. R" S$ W: p$ `  C(C)        a plot refinement unique to Verdi.; v# I% h1 o1 h$ \7 x
(D)        a symbolic representation of the position of the bourgeoisie relative to the aristocracy and the proletariat.
  k* h4 w- ]: |(E)        a convention largely seen as irrelevant by audiences.; `7 C$ B# ~& H' _3 y; E
4 n9 q- F) @9 k# T! t- A2 b( @

: `0 C& j. R7 r4 S6 o7 p例文2          笔记栏
4 @$ Z- y8 C0 Z, `$ `* @Recently some scientists have concluded that mete-
1 u1 g' D( F  o& i# J; T& Korites found on Earth and long believed to have a
$ f8 K, S4 s; r% c3 AMartian origin might actually have been blasted free of
/ B* E1 B9 x) BMars's gravity by the impact on Mars of other meteor-
* R! l6 \  l8 l: a. f$ h0 \5 @/ D(5)  ites. This conclusion has led to another question:* \' A& [, Y/ i  `: D
whether meteorite impacts on Earth have similarly
3 h. a0 ?% M6 C! t1 S2 i! E1 idriven rocks from this planet to Mars.
- n" p, L( P4 u0 WAccording to astronomer S.A. Phinney, kicking a9 E  j$ S) A; h) s  _# K
rock hard enough to free it from Earth's gravity would  N. g$ P0 s, s& i% `
(10) require a meteorite capable of making a crater more
  f' n5 Y; s, \8 q0 U' N; mthan 60 miles across. Moreover, even if Earth rocks- k  M; c: R4 F2 L2 [! F' f4 _
were freed by meteorite impact, Mars's orbit is much& ~! R) l! o( |( p8 c
larger than Earth's, so Phinney estimates that the prob-
# p1 r+ @, l4 A5 c, y6 C! kability of these rocks hitting Mars is about one-tenth as
4 m- U* q# \. ]( F6 Q/ \(15) great as that of Mars's rocks hitting Earth. To demons-) g! y- O% a* \+ |7 b2 Y
trate this estimate, Phinney used a computer to calcu-
4 W7 G! M* ~, b7 A8 m) ulate where 1,000 hypothetical particles would go if
7 `# B! p8 ]! `; k" jejected from Earth in random directions. He found that2 x6 T2 }; A  o! B) R& w
17 of the 1,000 particles would hit Mars.        $ q3 T8 ~9 T' F3 g3 ?. I
17. The passage is primarily concerned with
$ e) W7 v+ T$ o) O5 d4 v9 @! l: ^(A)        presenting an argument to support a particular hypothesis.( V- Y* R# r! O3 p* I' P
(B)        suggesting an answer to a theoretical question.
2 Z8 Y5 _4 x; D4 }(C)        questioning the assumptions of a research project.4 O: ?/ ]! P6 h. N, V# F* {) {% g
(D)        criticizing experimental results./ \' v1 T5 a7 {) h: m6 T3 M- x9 E
(E)        explaining the origin of certain scientific data.
6 |# l7 a, P- Z) u& J- q8 ?0 _$ x8 o: a
18. According to the passage, which of the following events may have initiated the process that led to the presence on Earth of meteorites from Mars?+ R$ q/ x' U4 z& ~4 L% z
(A)        A meteorite struck the Earth with tremendous velocity.
5 D8 ]% ^& H' c. A. [4 U(B)        A meteorite collided with Mars.1 Y: _; M+ J5 X# q! y9 Z
(C)        Approximately 1,000 rocks were ejected from Mars.
5 c" Q9 `% t7 C2 T5 {+ a(D)        The orbits of Earth and Mars brought the planets to their closest points.
9 a7 Z: m8 H- V) X7 p: Z( U1 K" u(E)        Rocks from a meteorite impact broke free of Earth's gravity.: r- E2 A0 y' C2 d6 E  X. ]& U
19. The passage suggests that which of the following is true concerning the probability that a rock, if ejected from Mars, will hit the Earth?
$ i) N2 y8 U* ^; n6 Y5 z/ \9 F2 i(A)        The probability is increased when particles are ejected from Mars in random directions.
0 b& B( [0 @- W, P# V' g8 }(B)        The probability is increased by the presence of large craters on the surface of Mars./ U8 t7 u8 \; y7 t) Q) L
(C)        The probability is decreased when Mars's orbit brings the planet close to Earth.
. T5 d6 {6 j, k; j, G(D)        The probability is greater than the probability that a rock from Earth will hit Mars.; H  I* {& [4 S- M# c2 g, C
(E)        The probability is less than the probability that a rock from Earth will escape Earth's gravity.1 ]( q% ]# Y2 F# e

1 I9 |& O( |$ E$ {* y/ M- ^9 w20. Which of the following, if true, would cast most doubt on Phinney's estimate of the probability of Earth rocks hitting Mars?
/ q, U1 W7 n8 o: s(A)        Rather than going in random directions, about 25 percent of all particles ejected from Earth go in the same direction into space.
- Z' m( d1 ?: t7 x/ J# F3 _(B)        Approximately 100 meteorites large enough to make a noticeable crater hit the Earth each year.) t+ v( @$ q6 [: t9 e' }! U
(C)        No rocks of Earth origin have been detected on Mars.; @5 W( W2 w) c, B4 S$ `
(D)        The velocity of rocks escaping from Earth's gravity is lower than the velocity of meteorites hitting the Earth.$ E# l) x$ W0 ]! k  ]' i# o5 |* P
(E)        No craters more than 60 miles across have been found on Mars.
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沙发
发表于 2004-1-14 18:29:23 |只看该作者
今天考完试,先把作业交了。不好意思,这么晚。* ]6 c- p/ G' A
/ S( H0 t: _3 `9 ?; t+ T- }( {
, R/ n" w+ E% B4 d
例文1 笔记栏
8 \% E4 Q6 B! x7 s0 v"Popular art" has a number of meanings, impossible
1 w( t- f' ~+ E: f: \to define with any precision, which range from folklore
8 Q% R* E% s3 u# C. o+ Z+ Tto junk. The poles are clear enough, but the middle----------------------------------TS+ E9 J6 M5 _/ ]2 F! o
tends to blur. The Hollywood Western of the 1930's, for------------------------------时间
& T$ W4 b$ S! I. V& W7 G8 e: B. {(5) example, has elements of folklore, but is closer to junk
6 o( k5 p' y- N  ?  s- Qthan to high art or folk art. There can be great trash,
# b+ a. B/ H9 A  {just as there is bad high art. The musicals of George--------------------------------G+
6 W# a; b7 I  K) |" SGershwin are great popular art, never aspiring to high
4 d% V( q- ~/ s2 p& Cart. Schubert and Brahms, however, used elements of-------------------------------S、B-4 w" F: G# I- F9 I
(10) popular music—folk themes—in works clearly intended * C' C3 {& H6 d( M6 k+ s
as high art. The case of Verdi is a different one: he took ---------------------------V-
5 T+ j3 R, ^6 U% S2 ja popular genre—bourgeois melodrama set to music (an
2 q, P6 u# X: ^8 j; }accurate definition of nineteenth-century opera)—and,
$ i' [( P% W* O, Jwithout altering its fundamental nature, transmuted it
7 G& C0 s8 W5 ]2 W(15) into high art. This remains one of the greatest achieve----------------------------最高级+1 s# n) v. a8 ^2 e' m; ~  Y2 L
ments in music, and one that cannot be fully appreciated
8 L) @. z4 j9 b( h& B4 i6 x0 v. J7 dwithout recognizing the essential trashiness of the genre.
3 w' ]  s' g/ c0 i/ L! Z. [4 TAs an example of such a transmutation, consider
. x% g4 ?) W" H" U" I( O* rwhat Verdi made of the typical political elements of ---------------------------------------SE/ b( b/ O) x: h7 f) I6 @
(20) nineteenth-century opera. Generally in the plots of these
+ d, s* m6 @4 v' W- a8 w3 Xoperas, a hero or heroine—usually portrayed only as an8 m% i2 f! N/ k; y  t
individual, unfettered by class—is caught between the' `9 V5 q" B) _
immoral corruption of the aristocracy and the doctri-" |! q0 {4 Z6 W$ [
naire rigidity or secret greed of the leaders of the prole-1 ~9 M; j: F7 I- S2 g/ y
(25) tariat. Verdi transforms this naive and unlike formula-
: T) r8 k6 \' t6 f/ Ttion with music of extraordinary energy and rhythmic0 q  p* N8 w: v3 w/ |/ X& |/ h* a
vitality, music more subtle than it seems at first hearing. --------------------------------比较级>; E) b' S0 E$ k# }; O& w/ d3 l7 {8 L
There are scenes and arias that still sound like calls to & l. n& f# \* J
arms and were clearly understood as such when they # o4 C1 o1 Z! Z+ ~% T# h
(30) were first performed. Such pieces lend an immediacy to
2 w4 d5 d! y4 b% _: Z- ithe otherwise veiled political message of these operas' x6 M# x6 w2 L/ J# Y' q0 A7 d
and call up feelings beyond those of the opera itself., z$ F; f% ?+ l# X
Or consider Verdi's treatment of character. Before-------------------------SE
8 j/ d6 ]; ^. tVerdi, there were rarely any characters at all in musical/ u( ?1 v+ }2 S
(35) drama, only a series of situations which allowed the -----------------最高级
6 I& O  c6 u9 w0 l8 D9 B+ T2 Wsingers to express a series of emotional states.Any+ s) a! M' b4 {  y9 T9 ~
attempt to find coherent psychological portrayal in these
  X* X1 F2 h8 e: K/ Qoperas is misplaced ingenuity. The only coherence was ( J: u; I0 A, o( H& ?
the singer's vocal technique: when the cast changed, new
& ]5 i1 J/ w6 x* p(40) arias were almost always substituted, generally adapted
% \; N& ~) \8 |: ]8 S# q  jfrom other operas. Verdi's characters, on the other hand,
3 S) j; n) J" P& P/ P! F7 |have genuine consistency and integrity, even if, in many   D+ e+ Y3 p" I& e: v" Y
cases, the consistency is that of pasteboard melodrama. 8 c; B* X% c6 f5 \. L3 @1 `- q& o
The integrity of the character is achieved through the$ v' b: y' J9 A% @
(45) music: once he had become established, Verdi did not, q! e9 _. H5 m: Z- m) `9 p7 s
rewrite his music for different singers or countenance0 n" o6 ?) M+ b. L
alterations or substitutions of somebody else's arias in $ N& L$ t+ m# o7 z- F: x- n
one of his operas, as every eighteenth-century composer : E+ i; \6 Q% x
had done. When he revised an opera, it was only for --------------------------最高级
+ g9 y: h6 B& M. d9 V! U$ e(50) dramatic economy and effectiveness. 0 M! Z" h9 }6 k4 C  y
1.According to the passage, all of the following characterize musical drama before Verdi EXCEPT5 |% d* l9 H+ ]+ T8 s" f
(A) arias tailored to a particular singer's ability.. U8 h/ D  p1 k# v
(B) adaptation of music from other operas.: C! M0 ?- }% x4 I3 Q) J
(C) psychological inconsistency in the portrayal of characters.
7 x4 G" Z% s6 C; z* C(D) expression of emotional states in a series of dramatic situations., f. h3 u, O5 {( {
(E) music used for the purpose of defining a character.------------------主题题,V的行为,选B。
+ d9 J7 T7 z: R$ Q  O. D/ j2.It can be inferred that the author regards Verdi's revisions to his operas with
/ Y/ l6 G8 h5 g. X3 b(A) regret that the original music and texts were altered.2 f( e+ q0 ~! e6 Q4 L% N* E
(B) concern that many of the revisions altered the plots of the original work.
* Z2 L5 j/ Z4 J' I7 E(C) approval for the intentions that motivated the revisions.5 _" L0 i( o1 s! @3 b# M6 N
(D) puzzlement, since the revisions seem largely insignificant.
0 Q6 g7 A" E, C6 i+ \(E) enthusiasm, since the revisions were aimed at reducing the conventionality of the operas' plots.
% W% _$ S) g* U/ N5 @1 W态度题,对象 Verdi's revisions,正态度,选E。3 g2 ^8 R" f8 v3 m8 P" f* b; C
3. According to the passage, one of Verdi's achievements within the framework of nineteenth
' T( p! |0 t" @-century opera and its conventions was to
* P0 {! o/ {5 M) P2 x* H* K7 R(A) limit the extent to which singers influenced the musical compositions and performance of his operas.
* a5 `3 L8 [3 v(B) use his operas primarily as forums to protest both the moral corruption and dogmatic rigidity of the political leaders of his time.6 o3 U/ F) C: E" }7 c+ T% |6 B
(C) portray psychologically complex characters shaped by the political environment surrounding them.5 c5 G4 I$ x7 @9 |- ~* H
(D) incorporate elements of folklore into both the music and plots of his operas.$ v, k! q9 [1 ]2 i
(E) introduce political elements into an art form that had traditionally avoided political content.
. x/ c: N8 X1 `0 B4 G3 p% c' G/ I& s细节题,定位27行,排除法,选C。
4 h3 J; {8 ]0 W# N& a4 [; r% g4.Which of the following best describes the relationship of the first paragraph of the passage to the passage as a whole?, w( `+ I3 ~% }: O$ v- Q( Z" M2 m0 x
(A) It provides a group of specific examples from which generalizations are drawn later in the passage.
3 D% j  u6 _& k- D# j(B) It leads to an assertion that is supported by examples later in the passage.
; M  U( A; p* ]4 b(C) It defines terms and relationships that are challenged in an argument later in the passage.# |' ]/ Q& X9 S& f) u0 x1 q
(D) It briefly compares and contrasts several achievements that are examined in detail later in the passage.
3 K4 z$ g) t4 T* ?  ](E) It explains a method of judging a work of art, a method that is used later.
8 ?+ ^$ U- B. ?- U: _0 B* C$ F主题题,全文论证一个观点型文章,选B。
: s1 U$ g! S) M9 Y0 `5.It can be inferred that the author regards the independence from social class of the heroes and heroines of nineteenth-century opera as.
7 d: ~- t5 b' Q& \# j(A) an idealized but fundamentally accurate portrayal of bourgeois life.6 ^$ {9 _6 }/ @; C
(B) a plot convention with no real connection to political reality.! v- C! `5 I; @+ V: X) S! H
(C) a plot refinement unique to Verdi.
5 z1 _8 J4 r8 H9 O6 q(D) a symbolic representation of the position of the bourgeoisie relative to the aristocracy and the proletariat.. Z+ ^4 ^& W7 K5 H
(E) a convention largely seen as irrelevant by audiences.
$ J3 ^6 r, i2 t  ^+ r. X态度题,对象the independence,用heroes and heroines定位21行,负态度,选E。2 ]8 o) J% G1 A9 n' k$ Z9 R
: d5 a8 S, Z6 d2 T
例文2 全文解释一个现象。
9 k, C* g+ X. SRecently some scientists have concluded that mete-
% p9 B0 z/ v4 M7 Norites found on Earth and long believed to have a
2 {$ H/ N% q$ P" m9 B) Z+ lMartian origin might actually have been blasted free of
  e" r8 ~  q' Q6 J; ^! BMars's gravity by the impact on Mars of other meteor-
0 O: ?. A9 c: a5 }" A6 d7 e3 O( o: R(5) ites. This conclusion has led to another question:
6 G5 d. i3 o) F, l' swhether meteorite impacts on Earth have similarly
1 g* x9 E4 S) ?; K2 p  P; {driven rocks from this planet to Mars.7 U# @8 }# h- E5 K
According to astronomer S.A. Phinney, kicking a----------------------P
* N* x' V( k( Q2 s. ?$ erock hard enough to free it from Earth's gravity would3 I" ?' @# @# H! H( H& Y
(10) require a meteorite capable of making a crater more9 S! s' C. [! J- p4 C& q
than 60 miles across. Moreover, even if Earth rocks
9 H1 N; y6 T# r" j' y) \were freed by meteorite impact, Mars's orbit is much
9 j% i/ G9 i% X: ?larger than Earth's, so Phinney estimates that the prob-----------------比较级># N2 a% q% k8 c: x" _5 q( k0 H; n
ability of these rocks hitting Mars is about one-tenth as0 u; T7 s2 o9 h7 t/ f9 d5 n4 g
(15) great as that of Mars's rocks hitting Earth. To demons------------比较级<% `( ~; |3 `" J# R7 r& Z
trate this estimate, Phinney used a computer to calcu-8 y4 c+ b3 y1 }# F' J
late where 1,000 hypothetical particles would go if: Z# ^/ W4 |6 ^/ P
ejected from Earth in random directions. He found that6 G3 m1 M9 @# X7 q5 c5 ?
17 of the 1,000 particles would hit Mars. 0 S2 \% S( m; Y* I- u
17. The passage is primarily concerned with. |- h5 c% `$ A$ }, t/ \0 J
(A) presenting an argument to support a particular hypothesis.3 U8 p, g3 H* `8 B# u/ P
(B) suggesting an answer to a theoretical question.( v  K5 \6 p: q& L8 e$ j2 m# X# v6 {
(C) questioning the assumptions of a research project.2 {) O2 P9 i. j) [( t2 i
(D) criticizing experimental results.
+ a: a* g6 ?' W/ Z(E) explaining the origin of certain scientific data.
! ], }9 C2 n1 ~# a主题题,选A。; v. J- w$ q2 l
18. According to the passage, which of the following events may have initiated the process that led to the presence on Earth of meteorites from Mars?
4 z7 Q1 V. S) ^& d' |& D+ i# D# V(A) A meteorite struck the Earth with tremendous velocity.6 B! h/ |# T+ h6 r
(B) A meteorite collided with Mars.
$ |! G. z  |6 g(C) Approximately 1,000 rocks were ejected from Mars.
; J$ h/ I* Y# @! M( C5 j% l(D) The orbits of Earth and Mars brought the planets to their closest points.
' ]/ ?+ L- ~' M+ @  P3 G5 k(E) Rocks from a meteorite impact broke free of Earth's gravity.# l( S; ?2 h/ J& f$ U, c
细节题,定位于5行,选B。8 `0 T; N. d; R. [- v
19. The passage suggests that which of the following is true concerning the probability that a rock, if ejected from Mars, will hit the Earth?+ V. S) j4 q) G# j* R# Y3 s
(A) The probability is increased when particles are ejected from Mars in random directions.! M# O8 U, C! C, Q) Z5 T
(B) The probability is increased by the presence of large craters on the surface of Mars.
! n( l  v9 d9 d4 T(C) The probability is decreased when Mars's orbit brings the planet close to Earth.& B& v3 J' N* D6 J( u9 a7 R. |7 ]
(D) The probability is greater than the probability that a rock from Earth will hit Mars.
7 r, U- }  _3 w6 _5 _(E) The probability is less than the probability that a rock from Earth will escape Earth's gravity.
! i+ O" H$ N2 Z2 [选项定位比较级,定位14行,选D。
! r9 I- m8 ^* {$ I$ w, f, I20. Which of the following, if true, would cast most doubt on Phinney's estimate of the probability of Earth rocks hitting Mars?& b# J% x5 X" t2 q/ K  P; A; r( ]' r
(A) Rather than going in random directions, about 25 percent of all particles ejected from Earth go in the same direction into space.
. F/ Y+ q  W& L, b- e* e(B) Approximately 100 meteorites large enough to make a noticeable crater hit the Earth each year.* M0 |! D, o7 `1 J. V9 g+ d
(C) No rocks of Earth origin have been detected on Mars.3 b7 o/ I, M6 t; F
(D) The velocity of rocks escaping from Earth's gravity is lower than the velocity of meteorites hitting the Earth.% Z# m3 m$ J* w) ^% l, p8 T
(E) No craters more than 60 miles across have been found on Mars.6 a! v" A% J8 N
取非题,Phinney's estimate定位于16行,选A。
, `, Z5 l1 V( [2 t5 @
( a) f2 X# B7 j* u  k有几天没看阅读了,现在开始重新捡起来。
: ~6 f0 @8 N+ {/ d9 P3 D  w最近视力下降很快,可能与前一阵子练作文时使用计算机时间过长有关,:(得注意眼睛了。
受人滴水之恩当以涌泉相报。

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板凳
发表于 2004-1-18 06:41:32 |只看该作者
谢谢!!!!!
My dream,My goal.

写作文一定不要开qq,一定不要开的说:)

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地板
发表于 2004-2-5 02:14:15 |只看该作者
Recently some scientists have concluded that mete-
, T  I  L4 n) |* G6 c$ zorites found on Earth and long believed to have a7 |/ h9 s2 K* f% `- ^  \! Q" s  A4 n
Martian origin might actually have been blasted free of
+ J# Z7 T  L* K, `# v5 Z8 T6 IMars's gravity by the impact on Mars of other meteor-
' S# S- t$ {3 I) z(5) ites. This conclusion has led to another question:
  S, O& H& Q, p7 \3 M5 fwhether meteorite impacts on Earth have similarly
9 x, {/ I) [" r0 V; F7 qdriven rocks from this planet to Mars.
; L0 u7 L8 [/ p9 h" U! K8 tAccording to astronomer S.A. Phinney, kicking a----------------------P% t8 f) ~, m& n, a+ l+ l" d  n
rock hard enough to free it from Earth's gravity would+ o/ ?6 d( ]8 }% U" o0 i
(10) require a meteorite capable of making a crater more) v: h/ w: R4 d6 @
than 60 miles across. Moreover, even if Earth rocks
: j, Q- a  {4 T; f5 _- D7 f# ]were freed by meteorite impact, Mars's orbit is much1 C' S1 _3 o% a" q8 j+ N
larger than Earth's, so Phinney estimates that the prob-----------------比较级>& V+ u+ r$ k. l. O
ability of these rocks hitting Mars is about one-tenth as
- O- }" f1 s! t, x4 d) ](15) great as that of Mars's rocks hitting Earth. To demons------------比较级<* R2 F# W) K7 b- V9 ^
trate this estimate, Phinney used a computer to calcu-" g, Z+ v- C: ~0 L3 |- q2 J8 B, [
late where 1,000 hypothetical particles would go if7 h% [5 D$ s6 n; c# K
ejected from Earth in random directions. He found that: k) ?/ T3 u+ f5 P. [+ `
17 of the 1,000 particles would hit Mars. 0 S+ a3 |/ h7 S4 M) u8 L2 M
17. The passage is primarily concerned with4 g4 U) ^! i3 W% X3 X
(A) presenting an argument to support a particular hypothesis.) t3 l, s2 {3 z
(B) suggesting an answer to a theoretical question.
6 M4 J  A. j) Z* ^(C) questioning the assumptions of a research project.: s+ k) _8 g* [2 k
(D) criticizing experimental results.! x" k# q4 ?5 y3 F% F9 N! f( Y
(E) explaining the origin of certain scientific data.4 q0 X! H$ ~: J/ U
主题题,选A。( \0 x! A; L  R6 v1 j7 P) f

% D: \0 q5 L1 w  W/ _$ t$ X. C, Ainstead of A, i choose B

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