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【单选题】
《黄河大合唱》的首演地是( )。A.
广州
B.
北京
C.
上海
D.
延安
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反馈参考答案：
举一反三
【简答题】生化反应器反应器中的 ,是将酶或微生物固定在多孔膜上,当底物通过膜时,即可进行酶催化反应。
【单选题】Whatshould you do when you feel very low according to the text?
A.
I should talk to someone about it.
B.
I should write down the things I like and dislike.
C.
I should make a phone call to my parents.
D.
I should walk around my neighborhood.
【单选题】Who do you think is the man ________ you are going to turn for help when you are in trouble? [ ]
A.
who
B.
to whom
C.
to who
D.
whom
【单选题】在Word的编辑状态下，执行“编辑”菜单中的“全选”命令后( )。
A.
整个文档被选择
B.
插入点所在的段落被选择
C.
插入点所在的行被选择
D.
插入点至文档的开头被选择
【单选题】This machine was used -------years ago.
A.
five hundred
B.
five hundreds
C.
five hundreds of
D.
five hundred of
【简答题】— __________ — You might as well write a thanks-note. A: How do you like the rewards? B; What do you do with the rewards? C; Could you suggest some ways of the rewards?
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