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【单选题】
在Windows 中,左键的作用有 。A.
选择对象
B.
拖曳对象
C.
复制对象
D.
运行对象
手机使用
分享
复制链接
新浪微博
分享QQ
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反馈参考答案：
举一反三
【单选题】坍落度是表示塑性混凝土( )的指标。
A.
和易性
B.
流动性
C.
粘聚性
D.
保水性 提示:塑性混凝土的流动性用坍落度表示,粘聚性和保水性主要采用目测及其它辅助方法来评定。
【简答题】阅读理解。 WASHINGTON - President Obama and his wife, Michelle, handed out Halloween treats to area children and military families at the White House Sunday evening. Local students between 6 and 14 years o...
【简答题】The old lady treats the boy as if he were his own son.
【简答题】WASHINGTON — President Obama and his wife, Michelle, handed out Halloween treats to area children and military families at the White House Sunday evening． Local students between 6 and 14 years old, al...
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