求教N道题

LeeTsanUID: 2787212

1.Until the current warming trend exceeds the range of normal climatic fluctuations, there will be, among scientists, considerable ___ the possibility
that increasing levels of atmospheric CO2 can cause long-term warming effects.
- i4 R8 a2 a# {; |7 B# F(A) interest in
( y5 Y6 a3 k) ~) l- W(B) uncertainty about
7 H% Q; S' W) B+ S; a. V(C) enthusiasm for
(D) worry about
(E) experimentation on
6 A) {0 E+ t5 N; g, i3 }! x答案是B，对until.....there will be的用法不是很明白~~~
% n. N; R4 y( ?' s6 p& T; M9 x
2.It is to the novelist’s credit that all of the episodes in her novel are presented realistically,without any ___ or playful supernatural tricks.
4 K$ [! {/ X# F$ \2 X. ^(A) elucidation
(B) discrimination
4 y' C8 _; N4 R(C) artlessness
(D) authenticity
' `, i. m  b& l- `% w1 n(E) whimsy
* J% w' J  w7 j: ]' W答案是C、E,不明白C为什么对~
2 ]7 z/ p0 Q% D4 u' f
) _7 @+ b  I$ ~9 j( Q" k3 i3.Regardless of what ___ theories of politics may propound, there is nothing that requires daily politics to be clear,thorough,and consistent——nothing,that is,that requires reality to conform to theory.
(A) neat
# e$ B& B1 Y" O6 `. `" G(B) vague
8 B' E  M: J/ I9 L- m4 t(C) assertive
/ b2 h5 G3 R9 u* G, `( j(D) casual
(E) vicious
4 N" p  j. q8 i" W(F) tidy
答案是AF，不明白neat表现了theory的什么特征？