SAT的几个题的求HELPS!!!

EdwinUID: 2114023

最近正在全力死拼SAT,战绩斐然,但是还是有一些不会的拿来请教大家
IDENTIFYING SENTENCE ERRORS:
     1.With special training, capuchin monkeys can enablequadrilegics as well as other handicapped individuals to become increasingly independent. No error.  这题没错误是真的么,翻译上我有点Confused.
2 [, o, N/ o  o3 c- }
      2. In 1986, the nuclear disaster at Chermoby has aroused intense speculation about the long-term effects of radiation that continues for the better part of a year. No errors.
% e5 R) o  L3 s" ^$ ^" c* f这题说是时态错了,我看不是A YEAR说明的问题.
2 d/ l) C9 B  S: C! c
     3. Flints Found in the region extending from the Nile Valyey to the highlands of eastern irap attests to the presence of people there as long ago as one hundred thousand years. No error.
) h8 j0 ]: ?& R* u) x' E这题我感觉是是ATTEST TO 错了,不错找不到证据和说法.
3 c6 S+ h6 L* s8 m' l7 c
/ m% q8 \( @3 g) Y5 k& M: U    4.Air pollution caused by industrial fumes has been studied for years, but only recently has the harmful effects of noise pollution become known. No errors.
这题我实在想不通啊.真邪了.
# B$ q9 U+ K: ^: I4 k0 N
2 V: _5 o. i0 j' W& T3 l& h$ |   5.the bagpipe originated in ancient Sumer, and many people assume that it was the Scottish Highlands.
A.and many people assume that it was
B.many people assuming
C.not, as many people assume,in
D.not what many people assume
% Y. v. U$ g# {% w2 p$ wE.but many people assume it to be.
以上我是最近5天做的一百个WRITING SECTION里面的不懂的五个,请牛哥牛姐帮忙啊,谢谢啊,顺便啊,我也是打算申请美国TOP学校的,因为我有六年的画画基础,数理化也根本不愁,所以弟弟我打算申请RICE的建筑专业啊,请不笑我啊.我们都是同路人啊.
9 Y: |/ ^' R" L3 V我愿意交流学习经验,广交朋友,我的QQ 32596249
) q+ n6 t# L( G; s0 wMSN shaonan_012@hotmail.com