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【单选题】
进行沉降观测的建筑物,应埋设沉降观测点,沉降观测点是均匀布置的,他们之间的距离一般为( )A.
5~10m
B.
10~20m
C.
15~25m
D.
25~40m
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举一反三
【单选题】They suggested that the professor ________ just now ________ chairman of the meeting.
A.
referring to；was made
B.
referring to；be made
C.
referred to；be made
D.
referred to；was made
【简答题】At first, the speaker was referring to the problem of pollution in the country, but halfway in her speech, she suddenly _________ to another subject. A) committed B) switched C) favoured D) transmitte...
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