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【单选题】
Paragraphs 5-6: Question What are the reasons that could account for the poor quality of netwriting?A.
First, things (such as E-mail) written on the Internet have some literary value, so they’re meant to be permanent. They come and go and some one will ever remember them, once they are read. Second, many online postings are produced under great time pressure. Third, there is actually no threshold on the Internet, so that anyone can log on and send out what they have written.
B.
First, things (such as E-mail) written on the Internet have little literary value, so they’re not meant to be permanent. They just come and go and no one will ever remember them, once they are read. Second, many online postings are produced under great time pressure. Third, there is actually no threshold on the Internet, so that anyone can log on and send out what they have written.
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【简答题】列举你熟悉的韩国导演及其代表作品
【单选题】絮凝是
A.
乳剂中分散相的乳滴由于某些因素的作用使其荷电减少，ζ电位降低，出现可逆性的聚集现象
B.
乳剂放置后出现分散相粒子上浮或下沉的现象
C.
乳剂中乳滴周围的乳化膜出现部分破裂导致液滴合并变大的现象
D.
O/W型乳剂转成W/O型乳剂或出现相反的变化
E.
指乳剂受外界因素（光、热、空气等）及微生物作用，使体系中的油或乳化剂发生变质的现象
【简答题】是否行使期权合约所赋予的权利，是______的选择。
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