1 . Paper bags produced every year are _______ the world’s production of vehicles.

A．three time weight of	B．as three times heavy as
C．three times the weight of	D．three times as heavier as

2 . _____ of the land in that district _____ covered with trees and grasses.

A．Two-fifth; is

B．Two-fifth; are

C．Two-fifths; is

D．Two-fifths; are

3 . Jack Smith earns ______his wife Jane while they do the same amount of work, which is unfair.

A．twice as many as	B．as twice much as
C．twice more money as	D．twice as much as

4 . There are ________ things about city life in the future which are not certain.

A．plenty of

B．a plenty of

C．a great deal of

D．many a

5 . By the end of last month, we had sold ______ as we did next year.

A．as twice many cars	B．twice many as cars
C．twice as many cars	D．as many cars twice

6 . Peter’s jacket looked just the same as Jack’s, but it cost ____his.

A．as much twice as	B．much as twice as
C．twice as much as	D．as twice much as

7 . A new iPad in the market costs about ______ of a second-hand one.

A．three times of the price

B．three times as much as the price

C．three times the price

D．three times more than the price

8 . It is reported that the United States uses ___________energy as the whole of Europe.

A．as twice	B．twice much
C．twice much as	D．twice as much

9 . Almost________ of the students in this class wear glasses, that is ________of them.

A．two thirds; 60 percent	B．two thirds; 60 percents
C．two third; 60 percent	D．two thirds; 60 percents

10 . Though the new apartment is____than the old farmhouse, I really like it.

A．smaller twice

B．twice as small as

C．twice as small

D．twice smaller