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【单选题】
寒冷地区建筑物散水时,下设干砂或干炉渣层,其主要目的
A.
防火
B.
防水
C.
防冻胀
D.
防震
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举一反三
【单选题】Guo Yue did quite ____ at the World Table tennis Championship, but Zhang Yining did even ____.
A.
better, well
B.
well, well
C.
well, better
D.
better, better
【简答题】维生素C能促进铁的吸收,这是食物()作用的体现。
【单选题】Guo Yue did quite________at the World Table Tennis Championship(锦标赛),Zhang Yining did even_________.
A.
better; well
B.
well;well
C.
well;better
D.
better;better
【单选题】Guo Yue did quite _______ at the World Table Tennis Championship(锦标赛) ,but Zhang Yining did even ________.
A.
better; well
B.
well; well
C.
well; better
D.
better; better
【单选题】( )能促进铁的吸收。
A.
草酸
B.
鞣酸
C.
抗酸性药物
D.
维生素C
【简答题】根据句意和语法要求完成下列句子。(满分15分,每小题1分) 小题1:My two brothers are both ___________(policeman). 小题2:_________ would be good for you to have a holiday. 小题3:Did you enjoy_________ at the party yesterday? 小题4:Guo Yue...
【判断题】维生素C和胃酸均能促进铁的吸收。( )
A.
正确
B.
错误
【单选题】Zhang Yining did quite _ in the match, but Guo Yue did even . [     ]
A.
well; better
B.
better; better
C.
well; well
D.
better; well
【单选题】Guo Yue did quite _______ at the World Table Tennis Championship, but Zhang Yining did even ______.
A.
better, well
B.
well, well
C.
well, better
D.
better, better
【单选题】在完全垄断厂商的最好或最优产量处()
A.
P=MC
B.
P=SAC的最低点
C.
P的最高
D.
MR=MC
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