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问题 单项选择题

企业日常零星开支所需要的现金，由开户银行根据企业的实际情况核定最高限额，一般为( )天的日常零星开支所需的数量。

A．1～2
B．6～7
C．3～5
D．7～9

答案

参考答案：C

多项选择题

29岁孕妇，孕2产0，孕34+5周，发现腹部较大1个月入院，无其他不适，产检：腹部较孕月大，胎心音遥远感。

入院后经中药及镇静治疗后，孕妇有腹胀不适,B超羊水增多明显，决定穿刺放羊水，下列哪些不正确（）

A.胎龄<37周时，应穿刺放羊水

B.在B型超声监测下进行，定位穿刺点

C.用15～18号腰椎穿刺针经腹羊膜腔穿刺放羊水

D.用16～20号腰椎穿刺针经 * * 穿刺放羊水

E.不宜过快，每小时500ml左右

F.一次放羊水量不超过1500ml

G.一次放羊水量不超过1000ml

H.每3～4周可重复进行
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单项选择题

Questions refer to the following graph.
1977～1978 TEXTB()OK INVENTORY FOR SCHOOLS X AND Y BY YEAR OF PURCHASE (as a percent of the 1977～1978 inventory)
Note：All books were purchased new on July 1 of each year.


If School X purchased 300 textbooks in 1971 and all of these textbooks either were counted in the inventory or had been discarded before the inventory, what percent of these textbooks had been discarded
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