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【单选题】
对成膜材料的描述错误的是A.
PVA对眼黏膜无刺激性，可制成眼眼用控释膜剂
B.
膜材聚乙烯醇的英文缩写为PVA
C.
PVA的醇解度为88%时水溶性最好
D.
乙烯-醋酸乙烯共聚物的英文缩写为EVA
E.
PVA与EVA均为天然成膜材料
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【简答题】A. 27 （ 2019 年）下列各项中，关于财产清查的相关表述正确的有（ ）。 A. 往来款项清查一般采用发函询证方法 B. B. 库存现金清查采用实地盘点法 C. C. 银行存款清查采用与开户行核对账目的方法 D. D. 实物资产清查采用实地盘点法
【简答题】Most people buy a lot of gifts just before Christmas. But some people think we buy too much. They have started a special day called Buy Nothing Day. They don’t want anyone to go shopping that day. Buy...
【单选题】The ultimate of advertisement ______ people to buy, even buy what they needn't.
A.
elicited
B.
excited
C.
deduced
D.
induced
【单选题】.Some people think that as more and more people have televisions in their homes， people will buy books and newspapers.
A.
more and more
B.
any the less
C.
more or less
D.
fewer and fewer
【简答题】使用系统存储器默认的地址是MB1, 是首次扫描位。
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