皮皮学，免费搜题
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搜题
【单选题】
对无机材料的性质均不利的因素为 ( )A.
材料吸水
B.
增加孔隙数量
C.
细化晶粒
D.
均匀分布各组成
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】Soon it was time for my friend to take Jack for walk.英译汉
【简答题】'Mary gave a book to Jack' is synonymous with 'Jack______a book from Mary. '
【单选题】听力原文：W: Jack sent you a present yesterday. M: I got one from John, but not from Jack. Who did the man get a present from?
A.
The woman.
B.
Jack.
C.
John.
D.
The man.
【简答题】m 是一个取定的,证明:在任取 m +1 个整数中,至少有两个整数,它们的差是 m 的整数倍。
【简答题】Jack works harder than before.英译汉
【简答题】Jack borrowed a pen from his classmate. His classmate ______Jack.
【简答题】Because of his carelessness, Jack hit his car into a big tree by the roadside.英译汉
【简答题】Jack and Tom have worked in the same company for ten years.英译汉