GWD题目请教

jizhou

有一些选项不是很理解，望大牛指教。

GWD1-Q7:
A recent review of pay scales indicates that CEO’s now earn an average of 419 times more pay than blue-collar workers, compared to a ratio of 42 times in 1980.
B.    that, on average, CEO’s now earn 419 times the pay of blue-collar workers, a ratio that compares to 42 times
C.    that, on average, CEO’s now earn 419 times the pay of blue-collar workers, as compared to 42 times their pay, the ratio
GWD-10-Q3
For protection from the summer sun, the Mojave lived in open-sided, flat-topped dwellings known as shades, each a roof of poles and arrowweed supported by posts set in a rectangle.
A.    each a roof of poles and arrowweed
B.    each a roof of poles and arrowweed that are being
C.    with each being a roof of poles and arrowweed
D.    with roofs of poles and arrowweed to be
E.    with roofs of poles and arrowweed that are

41. GWD21-Q41:
The Environmental Protection Agency’s proposal to place restrictions on both diesel fuel and diesel engines has sparked a counterattack by the oil industry, saying that the move will exacerbate the nation’s fuel supply problems.
A.    on both diesel fuel and diesel engines has sparked a counterattack by the oil industry, saying
B.    on both diesel fuel and engines have sparked the oil industry to counterattack, and they say
C.    on both diesel fuel and diesel engines has sparked a counterattack by the oil industry, which says
D.    both on diesel fuel and engines has sparked the oil industry to a counterattack, saying
E.    both on diesel fuel and diesel engines have sparked the oil industry to counterattack, and it says

41. GWD-23-Q13
Researchers hypothesize that granitic soil is the ideal construction material for the desert tortoise because it is not so hard that it makes burrowing difficult or so soft that it could cause tunnels to collapse.

A.    so hard that it makes burrowing difficult or so soft that it could cause
B.    hard enough to make burrowing difficult or soft enough as to cause
C.    so hard as to make burrowing difficult or soft enough so it causes
D.    as hard as to make burrowing difficult or as soft as to cause
E.    too hard, making burrowing difficult, nor too soft, so as to cause

20. GWD26-Q20
In 1981 children in the United States spent an average of slightly less than two and a half hours a week doing household chores; by 1997 they had spent nearly six hours a week.
A.    chores; by 1997 they had spent nearly six hours a week
B.    chores; by 1997 that figure had grown to nearly six hours a week
C.    chores, whereas nearly six hours a week were spent in 1997
D.    chores, compared with a figure of nearly six hours a week in 1997
E.    chores, that figure growing to nearly six hours a week in 1997

yiqing2012

LZ,这样问问题没有人回答的。。。一题题问吧~ 而且把自己要问的要写出来~光写题目没有人知道你要问什么。。。