A:冰受到水的浮力小于冰受到酒精的浮力
B:冰受到水的浮力等于冰的重力大小
C:冰受到酒精的浮力等于冰的重力大小
D:冰受到酒精的浮力大于冰的重力大小
A. I can't find my book.
B. Read the newspapers to old people.
C. Over there.
D. Because we can reuse them.
E. Yes.
用NA代表阿伏加德罗常数的值,下列说法正确的是( )
《在希望的田野上》作者____,____作家,歌词结构严谨韵脚明亮,形式整齐,语言明快,充分抒发了劳动人民幸福自豪,和对未来充满美好希望的感情,通过对现实的赞美和对未来的憧憬,抒发了____。