皮皮学，免费搜题
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【多选题】
能够改善混凝土拌合物流动性的外加剂包括（）等。A.
减水剂
B.
早强剂
C.
防水剂
D.
引气剂
E.
泵送剂
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】—What do you do? —____________.
A.
I’m very well
B.
I’m a basketball player
C.
I’m in the library
D.
I’m doing my homework
【单选题】'Would you like some more chicken?' 'Yes, please, I like chicken very much.' 'Well, I'm glad you like it. How about some more rice?'
A.
How nice. I'd like some more bread
B.
Thanks for your help
C.
No. I'm already too full
D.
Many thanks, but I can't have any more
【简答题】选出你听到的句子。 ( )1. A. I'm very angry B. I'm very busy C. I'm very hungry ( )2. A. I will be home at seven o'clock B. I will be home at six o'clock C. I will be home at eight o'clock ( )3. A. ...
【单选题】—That’s very kind of you. Thank you very much. —________ .
A.
I’m glad
B.
I’m happy
C.
Never mind
D.
My pleasure
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