20 °C 时,水的表面张力为0.0728N / m,汞的表面张力为 0.483N/ m,而汞和水的表面张力为 0.375N/ m,通过计算可知水能在汞表面铺展。
A.
正确
B.
错误
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
举一反三
【简答题】young man was getting ready to graduate from college. For many months he had 1 a beautiful sports car in a show room, and knowing his father could well 2 it, he told him that was all he wanted. As Gra...
【简答题】Now that he was old he slipped back easily ______ time. He remembered how once he overheard his father praise him to his mother and how his face turned red ______embarrassment.
【简答题】A boy lost his arms in an accident and his father lost his life. Since then, he had to 31_ the arms of his younger brother. Except for writing with his toes(脚趾头), he could hardly do _ 32 in his ...
【简答题】A young man was getting ready to graduate from college. For many months he had 1 a beautiful sports car in a dealer's showroom, and 2 his father could well 3 it, he told him that was all he wanted. On...
【简答题】A boy lost his arms in an accident and his father lost his life. Since then, he had to _ the arms of his younger brother. Except for writing with his toes(脚趾头), he could hardly do _ in his life. As th...
【简答题】同义句转换。 1. They want to see movies. They want to _______ _______ movies. 2. He and his father really like action movies. He really ________ action movies _______ his father. 3. I think thrillers are ve...