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【多选题】
脑脊液标本放置过久会引起 ( )
A.
细胞破坏
B.
细菌自溶
C.
葡萄糖增高
D.
纤维蛋白原降低
E.
形成凝块
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参考答案:
举一反三
【多选题】钻井液的主要作用是( )。
A.
携带和悬浮岩屑
B.
稳定井壁和平衡地层压力
C.
冷却和润滑钻头、钻具
D.
传递水动力
【多选题】钻井液的主要作用有
A.
携带和悬浮岩屑
B.
稳定井壁和平衡地层压力
C.
冷却和润滑钻头、钻具
D.
传递水动力
【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
【单选题】It was reported another person was infected with bird flu.
A.
what
B.
which
C.
when
D.
that
【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
【多选题】钻井液的主要作用是:( )
A.
携带和悬浮岩屑
B.
稳定井壁和平衡地层压力
C.
冷却和润滑钻头、钻具
D.
传递水功率
【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....
【简答题】简述钻井液的主要作用?
【多选题】钻井液的主要作用有(   )
A.
携带钻井液,清洗井筒,利于钻进
B.
平衡井筒压力,防止井壁垮塌
C.
携带大量地层信息,为钻井安全和认识地层服务
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