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【简答题】
人口的自然构成主要包括人口的性别构成和（）。
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皮皮学刷刷变学霸
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【简答题】钻井液密度在钻井中的主要作用是（）
【简答题】当钻头在地下钻井,会产生大量的 , 。堆积在 附近。如果不及时清理出来,钻头是无法工作的。所以需要 能实时把泥土、岩屑等带回到地面。 2 、钻井液的主要作用之一是平衡地层中的 ,防止 等井下复杂情况。
【简答题】Itwas not clear the man hadn’treported the accident sooner.A. that B. how C. when D. why
【简答题】治疗手术后腹气胀和尿潴留最好选用 。
【单选题】It was not until she got home _______ Jenniferr
A.
9. It was not until she got home _______ Jenniferrealized she had lost her keys. ( 全国 3) A. when
B.
that
C.
where
D.
before
【简答题】It was foolish of the girl not to have asked your name. 10. It is understandable that her appointment has not been confirmed. 11. It is curious that the dog should have never barked. 12. People were w...
【单选题】It was time for class. We stopped__________ football.
A.
playing
B.
play
C.
played
D.
to play
【单选题】It was________ bad weather ________ we had to stay at home．A． so that B． such a so
A.
9．It was________ bad weather ________ we had to stay at home． A． so that
B.
such a so ．
C.
s，o a that
D.
such that
【简答题】听对话，完成第l-3小题。 1. How was the girl's school trip? A. It was borin9. B. It was great. C. It was terrible .2. Were there any lions in the zoo? A. N0,there weren't. B. Yes,there were. C. We don't know. 3....
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