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【单选题】
以下网上市场调查,最基本的一种调研方式是 ( )A.
在网站上设置在线调查问卷
B.
公布保护个人信息声明
C.
吸引尽可能多的人参与调查
D.
尽量减少无效问卷
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【单选题】I don't understand what your plan is exactly. Could you be a little more________? [ ]
A.
special
B.
particular
C.
specific
D.
typical
【简答题】Born in America, I spoke English, not Chinese, the language of my ancestors. When I was three, my parents flashed cards with Chinese 21 at my face, but I pushed them 22 . My mom believed I would l...
【简答题】阅读理解。 Once (从前) there was an old king. He liked to hear lies (说谎) very much. Because he felt very excited for that. 'If anyone could tell me the most wonderful lie in the world, he could marry my only...
【单选题】在光栅位移传感器中，为了得到两个相位相差90°的正弦信号，一般在相距______莫尔条纹间距的位置上设置两个光电元件。( )
A.
1／4个
B.
1／3个
C.
1／2个
D.
1个
【单选题】---Could you tell me ? ---Sorry, I have no idea. I wasn't at the party.
A.
what does she say at the party
B.
what did she say at the party
C.
what she says at the party
D.
what she said at the party
【单选题】Mum, I was wondering if you could lend me a few dollars until I________ on Friday.
A.
get paid
B.
got paid
C.
have paid
D.
had been paid
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