【C14】
A. manage
B. tend
C. seek
D. try
【C14】
A. electric
B. electronic
C. power
D. heating
在江河附近，设计地面的标高应高出设计洪水位()m以上。
A. 0．5
B. 1．0
C. 1．5
D. 2．0
Crocodiles are not in England now because______.
A. they have all been killed
B. they are too dangerous
C. they are all hiding under the rivers
D. the weather do not suit them nowadays
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