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【单选题】
四环素类抗生素属于哪一类抗生素()A.
窄谱速效抑菌剂
B.
静止期杀菌剂
C.
广谱抗生素
D.
宽谱抗生素
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举一反三
【简答题】A．She is very vain. B．She tries very hard to hide her real age from others. C．She had a good life when she was younger and still feels young at heart. D．She is no longer young but she manages to look ...
【简答题】废水排放量的计算方法有哪些？
【单选题】Miss Green is popular with her students as she always tries to make them _________ in her classes.
A.
interested
B.
interesting
C.
interest
D.
to interest
【单选题】She can hardly avoid making mistakes in her homework __________ hard she tries.
A.
for
B.
for as
C.
how
D.
however
【简答题】在某中外合资项目中参加者各方有如下目标因素：
外商：投资回报率，增加其产品在中国市场的占有份额；
当地政府：发展经济，吸引外资，增加就业，增加当地税收，增加当地政府的收费，改善地方的形象；
法律：环境保护法要求的“三废”排放标准，税法，劳动保护法；
中方企业：吸引外资，对老产品进行更新改造，提高产品的技术水平，增加产品的市场占有率、产品年产量，充分利用现有的厂房、技术人员、人工和土地。
...
【单选题】_____ hard she tries, she can hardly avoid making mistakes in her homework.
A.
Much
B.
However
C.
As
D.
Although
【单选题】Although she doesn't earn much money, she tries her best to _____ a bit of money every month for her parents. [ ]
A.
set about
B.
set aside
C.
give back
D.
give in
【单选题】She can hardly avoid making mistakes in her homework, ______hard she tries.
A.
for
B.
as
C.
how
D.
however
【单选题】《论十大关系》围绕的基本方针是
A.
独立自主
B.
自力更生为主，争取外援为辅
C.
调动一切积极因素，把我国建设成为一个强大的社会主义国家
D.
走中国特色社会主义道路
【单选题】Mrs.Smith finds it hard to clear up the mess, as her children are always ________ whenever she tries to.
A.
in the way
B.
on watch
C.
in sight
D.
on the line
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