皮皮学，免费搜题
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【判断题】
在混凝土拌合物中若掺入引气剂，则使混凝土密实度降低，使混凝土的抗冻性变差：A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】_____ his sister, Jack is quiet and does not easily make friends with others. A) Dislike B) Unlike C) Alike D) Liking
A.
Dislike
B.
Unlike
C.
Alike
D.
Liking
【单选题】Unlike many other boys of his age who are often addicted to PC games, he is _______ on outdoor activities in the mountains.
A.
eager
B.
starving
C.
keen
D.
fond
【简答题】Once upon a time, there was a little weasel (鼬鼠). His name was Horace. Unlike all the other weasels, Horace was very bookish . He had a copy of The Little Prince that he had found out behind a chicken...
【单选题】Edward intended to be a king unlike those of his predecessors.
A.
Yes.
B.
No.
C.
Not mentioned.
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