请教一道大全！

cyt1111111

1.       The Audubon Society and otherconservation groups, concerned over what they have perceived to be theserious threatening of the environment as posed by the policies of thegovernment, are preparing for a major political effort.

(A) have perceivedto be the serious threatening of the environment as

(B) perceived asthe serious threat to the environment as

(C) perceive beingthe serious threat to the environment

(D) are perceivingas the serious threatening of the environment（E）

(E) perceive asthe serious threat to the environment
为什么不是B呢

cyt1111111

696.        The Baldrick Manufacturing Company has for several years followed a policy aimed at decreasing operating costs and improving the efficiency of its distribution system.
(A) aimed at decreasing operating costs and improving
(B) aimed at the decreasing of operating costs and to improve
(C) aiming at the decreasing of operating costs and improving
(D) the aim of which is the decreasing of operating costs and improving
(E) with the aim to decrease operating costs and to improve
为什么不选E，是The Baldrick Manufacturing Company 的aim呢

cyt1111111

698.        The bank holds $3 billion in loans that are seriously delinquent or in such trouble that they do not expect payments when due.
(A) they do not expect payments when
(B) it does not expect payments when it is
(C) it does not expect payments to be made when they are
(D) payments are not to be expected to be paid when
(E) payments are not expected to be paid when they will be
答案为什么是C

cyt1111111

1.       The British sociologist andactivist Barbara Wootton once noted as a humorous example of incomemaldistribution that the elephant that gave rides to children at theWhipsnade Zoo was earning annually exactly what she then earned as directorof adult education for London.

(A) that theelephant that gave rides to children at the Whipsnade Zoo was earning

(B) that theelephant, giving rides to children at the Whipsnade Zoo, had been earning

(C) that there wasan elephant giving rides to children at the Whipsnade Zoo, and it earned

(D) the elephantthat gave rides to children at the Whipsnade Zoo and was earning（A）

(E) the elephantgiving rides to children at the Whipsnade Zoo and that it earned  这句话怎么翻译呢

cyt1111111

1.       The cameras of the Voyager IIspacecraft detected six small, previously unseen moons circling Uranus, whichdoubles to twelve the number of satellites now known as orbiting thedistant planet.

(A) which doublesto twelve the number of satellites now known as orbiting

(B) doubling totwelve the number of satellites now known to orbit

(C) which doublesto twelve the number of satellites now known in orbit around

(D) doubling totwelve the number of satellites now known as orbiting（B）

(E) which doublesto twelve the number of satellites now known that orbit

为什么不能选B

frey83

1. perceived as the threat, posed by xxx是分词作threat的修饰语；
696. e中的aim to不对，应该是aim at/with the aim of
698. 第一个it指代bank,第二个they指代payments。这题要看语义，意思是银行不希望在有拖欠贷款的时候再去放贷；d和e没有说明是银行不期望放贷，改变了原句的意思。

cyt1111111

     The Commerce Departmentannounced that the economy grew during the second quarter at a 7.5 percentannual rate, while inflation eased when it might have been expected for itto rise.

(A) it might havebeen expected for it to rise

(B) it might havebeen expected to rise

(C) it might havebeen expected that it should rise

(D) its rise mighthave been expected（B）

(E) there mighthave been an expectation it would rise

D为什么不对

cyt1111111

1.       The data collected by weatherairplanes that fly into the heart of a hurricane are useful mainly for gaugingthe storm’s structure and strength, not for the speed and the path of theirmovement.

(A) not for thespeed and the path of their movement

(B) not for thespeed and path of its movement

(C) not the speedand path of its movement

(D) and not thespeed and path of their movements（C）

(E) and not forthe speed and the path of its movements
为什么不选E

cyt1111111

1.       The debate over bilingualeducation centers on the issue of whether the United States should foster theidea of single common language, an idea, some believe, that has in the past beencrucial in binding diverse constituencies together.

(A) been crucialin binding diverse constituencies together

(B) been crucialas a binding together of diverse constituencies

(C) been crucialto bind together constituencies that are diverse

(D) become crucialin binding together diverse constituencies（A）

(E) become crucialto bind together constituencies that are diverse
为什么不选D

cyt1111111

cyt1111111 发表于 2015-6-12 15:48
1.       The cameras of the Voyager IIspacecraft detected six small, previously unseen moons circlin ...

那698的E为什么不对呢