更多"The output of our factory is now tw"的相关试题:
[单项选择]The output of our factory is now twice（）it was three years ago.
A. what
B. that
C. as
D. which
[单项选择]Now I must work twice as hard to catch up with others.（）
A. 我现在必须花两倍的时间，为的是赶上别人。
B. 我现在必须加倍努力，与别人保持同步。
C. 我面对双重困难，依然不落后他人。
D. 我现在必须加倍努力才能超过别人。
[单项选择]"Must we hand in our exercise-books now" "No, you （ ）
A. mustn't
B. don't
C. needn't
D. can't
[单项选择]We ______ our breakfast when an old man came to the door.
A. just have had
B. have just had
C. just had
D. had just had
[单项选择]Up to now, nothing ______ Betty. I want to know the reason ______ he hasn't written to me.
A. has heard from; that
B. was heard from; that
C. has been heard from; why
D. heard from; why
[单项选择]"Our Math teacher must be in his office now." "No, he ______ be there. I saw him in the library a minute ago."
[单项选择]"If we fail to act now, "said Tom, "We'll find ourselves ______ in action later on."
A. paid back
B. paid for
C. paid up
D. paid off
[单项选择]The enclosures of the 17th and 18th centuries meant that ______.
A. people were no longer legally entitled to own land
B. people were forced to look elsewhere for mean of supporting themselves
C. people were not adequately compensated for the loss of their land
D. people were badly paid for the work they managed to find
[单项选择]The proofs have been twice read and some 28 errors in them were ______.
A. justified
B. placed
C. eliminated
D. identified
[单项选择]（）twice, the old man was dying fast
A. Having been wounded
B. Wounded
C. Being wounded
D. Having wounded
[单项选择]As a result of the enclosures of the 17th and 18th centuries people were______.
A. legally entitled to own land
B. forced to look elsewhere for means of supporting themselves
C. not adequately compensated(补偿) for the loss of their land
D. badly paid for the work they managed to find
[单项选择]The building is nearly twice（）of that one.
A. the height
B. than the height
C. that of the height
D. than that of the height
[单项选择]可抑制Th0细胞向Th2细胞转化的是 （）
A. IL-5
B. IL-4
C. IFN-γ
D. TNF-α
E. IL-8
[单项选择]促进Th0细胞分化为Th1细胞的细胞因子为（）
A. IL-1
B. IL-2
C. IL-4
D. IL-10
E. IL-12
[单项选择]We have produced twice as much steel this year（）4 years ago.
A. than we did
B. as we did
C. than we have produced
D. as we have produced
