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【判断题】
阳离子表面活性剂含有一个五价氮原子(季铵化合物)。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】The beam that is ______by a laser differs in several ways from the light that comes out of a flashlight.
A.
emitted
B.
transported
C.
motivated
D.
translated
【单选题】听力原文：M: What a wonderful party! Everyone is having a good time. W: If only the children were here! Q: What is implied in the conversation? (13)
A.
The children enjoyed themselves.
B.
The children didn't come to the party.
C.
The children were giving a lot of fun in the party.
D.
The children were not behaving themselves in the party.
【单选题】听力原文：M：What do you think of biology? W：It's given me a hard time，though it is not as difficult as math． Q：What call we learn about the woman from this conversation? (17)
A.
She is going to give up biology.
B.
She spends half of her time on biology.
C.
To her, biology is difficult, but math is not.
D.
To her, math is even more difficult than biology.
【单选题】This morning m y mother asked me__.
A.
why he is not here
B.
where Julia went last weekend
C.
what time is it
D.
how did my brother do it
【单选题】web开发的编译指令标记通常是指()
A.
Page指令、INCLUDE指令和TAGLIB指令
B.
Page指令、INCLUDE指令和PLUGIN指令
C.
FORWARD指令、INCLUDE指令和TAGLIB指令
D.
Page指令、PARAM指令和TAGLIB指令
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