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【判断题】
超声探头发射超声波时,电能转换成声能,接收超声波时,声能转换成电能,因此探头又称换能器。A.
正确
B.
错误
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举一反三
【单选题】I was greatly impressed __________ the speech by the mayor of Shanghai before the final voting for EXPO 2010.
A.
to
B.
over
C.
with
D.
on
【简答题】Translate the following sentences into english. 1, 你需要的是更多的锻炼。 2,他们什么时候来还没有公布。 3,你可否告诉我你是哪儿的人? 4,我们应该先弄清楚展览馆是否开放。 5,问题是我们应该选择哪条路线。
【单选题】I was greatly shocked by the way things were done there.
A.
what
B.
that
C.
as
D.
which
【简答题】I feel greatly honored ________ into their society.
【单选题】When I went back to my hometown two years ago, I found that it______greatly.
A.
was changing
B.
changed
C.
had changed
D.
would change
【简答题】Translate the following sentences into English 1) 你需要的是更多的锻炼。 _________________________________
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