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【简答题】
配制3mol/L 盐酸,500mL,需要浓盐酸多少毫升? 已知条件如下:
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Why did the little girl put her gloves into her boots? 查看材料
A.
She worried to lose them．
B.
To make her teacher find them．
C.
She didn't know the reason．
D.
She didn' t like them．
【简答题】读下图，完成1—2题。 1、B点在A点的 [ ] A．正东 B．东南方 C．西南方 D．西北方 2、下列说法正确的是 [ ] A．小河自北向南流 B．C点位于A点的正西方向 C．A、B实地距离为2千米 D．该图使用的比例尺较小
【单选题】在Windows 7操作系统中,关于窗口下列说法正确的是
A.
只能打开一个窗口
B.
应用程序窗口最小化成图标，该应用程序将终止运行
C.
关闭应用程序窗口意味着终止该应用程序的运行
D.
不能改变应用程序窗口的大小
【单选题】The little girl looked at the huge statue with a puzzled look, wondering why the color of it was not _____ with its background. [ ]
A.
common
B.
similar
C.
same
D.
consistent
【单选题】The policeman asked the small girl __________
A.
why she was crying
B.
why was she crying
C.
why she is crying
D.
why is she crying
【单选题】There is no doubt________Ma Lili is a gifted girl. [ ]
A.
whether
B.
that
C.
what
D.
why
【单选题】Why did Katie stop to talk to a little girl?
A.
Because the girl was sleeping on the street.
B.
Because the girl was standing on the street .
C.
Because the girl was crying loudly on the street .
D.
Because the girl was walking alone on the street .
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