皮皮学，免费搜题
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【多选题】
大吸附树脂的分离原理包括A.
氢键吸附
B.
范德华引力
C.
化学吸附
D.
分子筛
E.
分配系数差异
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】--- Hello. May I speak to Jim? --- ___, please. I’m sorry he isn’t here now.
A.
Wait
B.
Hold on
C.
I’ll call him
D.
Yes
【单选题】听力原文：W: Hello ! M: Hello! May I speak to Mr. Jim, please? W: He's not here at the moment. May I ask who's calling? M: This is Zhang Hua speaking. I've just arrived in Los Angeles from China. W: Oh ! M...
A.
A Japanese.
B.
A German.
C.
A Chinese.
【简答题】从方框内选择恰当的句子完成对话。 A: Hello! May I speak to Jim？ B: I’m sorry. 1 I think he’ll be back in an hour. 2 A: That’s very kind of you. I’d like to invite him to watch a football match with me. 3 B: OK. 4 I’ll...
【简答题】情景交际。 John: Hello, Jim. May I come in? Jim: Oh, hello, John. Yes, come in, please. John: You don't look well. What's the matter? Jim: 1 John: Oh dear! Why don't you go to bed for a rest? Jim: 2 John: ...
【单选题】“Hello, may I speak to Jim , please?” “Sorry, you have a wrong _______.”
A.
telephone
B.
way
C.
number
D.
boy
【简答题】对销售果子酒收取的押金，不论到期与否，均应并入销售额计征增值税。( )
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