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搜题
【单选题】
治疗脑部细菌性感染的有效药物是( )。A.
磺胺二甲嘧啶(SM\r\n 2 \r\n)
B.
磺胺甲嗯唑(新诺明，SMZ)
C.
磺胺嘧啶(SD)
D.
肽酰磺胺噻唑(PST)
E.
磺胺嘧啶银(SD—Ag)
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举一反三
【单选题】当需要评价某人的科研学术成就，评价某种期刊的质量，评价某一组织机构的科研水平时，应尽可能采用()进行检索。
A.
电子期刊全文数据库
B.
引文数据库
C.
电子书
D.
文摘数据库
【单选题】I had to buy of these books because I didn’t know which one was the best.
A.
both
B.
none
C.
neither
D.
all
【单选题】I didn’t know the new word in the text, so I had to the word in a dictionary.
A.
look out
B.
consult
C.
refer to
D.
look up
【单选题】当需要评价某人的科研学术成就,评价某种期刊的质量,评价某一组织机构的科研水平时,应尽可能采用()进行检索
A.
电子期刊全文数据库
B.
引文数据库
C.
电子书
D.
文摘数据库
E.
综述
【单选题】I sooner but I didn’t know that they were waiting for me.
A.
had come
B.
was coming
C.
would come
D.
would have come
【单选题】I didn’t know the word. I had to _______ a dictionary.
A.
look out
B.
make out
C.
refer to
D.
go over
【简答题】I had to buy all these books because I didn’t know which one was the best.
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