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【单选题】
关于产程分期下列哪项正确A.
从规律宫缩至胎儿娩出称总产程
B.
第一产程初产妇约需14～16小时
C.
第一产程初产妇约需10～12小时
D.
第二产程初产妇约需1～2小时
E.
第三产需30分钟
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皮皮学刷刷变学霸
举一反三
【单选题】下列有关噪声的叙述中错误的是( )。
A.
在室内布置四台每台产生70dB的设备，结果在室内的噪声级只达到76dB左右
B.
静区布置在夏季上风向位置
C.
为减少室内噪声而在墙壁和天棚上设置穿孔板时，如果在里面不设岩棉或者玻璃棉，就几乎不起什么作用
D.
即使95dB的噪声和80dB的噪声同时存在，其结果还是95dB左右
【简答题】Find the words in Column A below in the text and try to work out their meanings from the contexts in which they are used. Then match each word with the correct definition in Column B. Column A Column ...
【单选题】“To plot Shakespeare’s life is to become involved in a kind of detective story where there are plenty of clues but very little else.” Which of the following underlined words is similar in meaning to t...
A.
I’m just calling to confirm your appointment tomorrow at 3:00 p.m.
B.
She had conceived the idea of a series of novels, each of which would reveal some aspect of Chinese life.
C.
Thus, the expeditioners are reliant solely on their radio contacts with the base to map their path.
D.
He invented the first electric clock.
【简答题】把一根5米的木条等长剪8段，每次剪的时间是总时间的 () () ，每段长______米，2米占这根木条的 () () ．4段占5米的 () () 1.3米占8段的 () () ．
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