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【判断题】
金属锻造时，压应力数目越多，金属塑性越好。（）A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Early this morning a seven-year-old girl was run over and ___________death by a large pickup truck which went out of control on an icy road.
A.
crushed to
B.
crushed in
C.
crushed on
D.
crushed down
【简答题】用于信息安全领域的散列函数应满足三个特性
【单选题】It is reported that a powerful earthquake ______the Italian island of Sicily early this morning.
A.
happened
B.
caused
C.
occurred
D.
struck
【单选题】在近地面温度图上,郊区气温变化很小,而城区则是一个高温区,就像突出海面的岛屿,由于这种岛屿代表高温的城市区域,所以就被形象地称为城市______效应。
A.
高温
B.
暖化
C.
热岛
D.
热环
【简答题】Early this morning a seven-year-old girl was run over and _______ to death by a large pickup truck which went out of control on an icy road.
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