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【单选题】
在下钻塞，下油管5根后，装好自封，再继续下油管至钻具距塞面以上约（）。A.
5m
B.
l0m
C.
15m
D.
20m
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举一反三
【单选题】( )is called Oriental Venice with many waterways in the city.
A.
Suzhou
B.
Yangzhou
C.
Guangzhou
D.
Hangzhou
【单选题】( )is called Oriental Venice with many waterways in the city.
A.
Suzhou
B.
Hangzhou
C.
Guangzhou
D.
Yangzhou
【简答题】The China Import and Export Fair, also called The Canton Fair, has been held twice a year in Spring and Autumn since it was inaugurated in the Spring of 1957. It is sponsored by the Ministry of Commer...
【简答题】Where is Tom? I have something important to tell him. ― I last saw him (seat)in the library reading.
【单选题】— Where is Tom? I have something important to tell him. — I last saw him____in the library reading. [ ]
A.
sit
B.
seated
C.
seating
D.
sat
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