题目内容
For forty years scientists have been (好奇的) about that fish.
— How about the suggestion Prof. Smith at the meeting last Friday?
— The committee discussed it for hours without a decision made.
A. put up B. put in
C. put forward D. put off
hearing what he said, the whole hall fell _________ with no one saying anything.
A. calm B. silent
C. quiet D. still
She phoned the police in (惊慌), crying that she'd lost the baby.
His laziness________ his failure; that is to say, his failure_______ his laziness.
A. resulted from; resulted in
B. resulted in; resulted from
C. as a result of; as a result
D. as a result; as a result of
At college, Barack Obama didn’t know that he the first black president of the United States of America.
A. was to become B. becomes
C. is to become D. became
This meeting room is a non-smoking area. I would like to warn you ______ that if you smoked here you would be fined.
A. in advance B. in detail
C. in total D. in general
Most countries of the world have records of the great natural catastrophes that before.
A. had occurred B. have occurred
C. occurs D. would occur
I am afraid he’s more of a talker than a doer, which is ______ he never finishes anything.
A. that B. when
C. where D. why
