某初产妇,临产5小时,胎心140次/分,头先露坐骨棘下1cm,宫口开4.0cm,突觉阴道流水,色清,下列护理错误的是
A. 立即听胎心
B. 记录破膜时间
C. 常规阴道检查
D. 卧床休息并抬高臀部
E. 破膜超过12小时给予抗生素
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You ______ take responsibility for the mistake, since it was not your fault.
A. mustn't
B. have not to
C. couldn't
D. don't have to
__________ you show me how to do the addition, Mr. Wang?
A. May
B. Could
Can
Do
_______ I have a look at your passport, sir?
A. Should
B. Do
C. May
D. Would
-- Must I hand in the homework on Monday?-- _____________ it's on Tuesday.
A. Yes, you must.
B. Yes, you have to.
C. No, you mustn't.
D. No, you don't have to.