如图所示,在水平桌面上放着一个玻璃杯,水面距杯底10cm,水的质量是0.13kg,玻璃杯重0.5N,玻璃杯的底面积是12cm2.请分别求出:
(1)水对杯底的压强;
(2)水对杯子底部的压力;
(3)杯子对桌面的压力;
(4)杯子桌面的压强.
下面是对《西游记》的简单介绍。请从方框内所给词的适当形式填空,使短文完整。
influence, know, it, everyone, favorite, culture, history, novel
Journey to the West is one of the greatest ____ in China. It has a long ____ in China. It reflected Chinese great ____ The book has enjoyed great popularity among the people and has exerted a tremendous (巨大的) ____ on Chinese minds. Many of the characters and stories in the book ____ to ____ in China, not only including housewives, but also children. ____ writer is Wu Cheng'en. The Monkey King is our ____ character.
将下列国家与其对应的特征配对组合
A.日本____ 1.世界上最大的农产品出口国
B.俄罗斯____ 2.“坐在矿车上的国家”
C.澳大利亚____ 3.多火山、地震的岛国
D.美国____ 4.“咖啡王国”
E.巴西____ 5.世界上面积最大的国家
有关Cl2的说法正确的是( )