A:蒸发只能在液体表面进行,而沸腾是在液体的表面和内部同时进行的汽化现象
B:液体在任何温度下都能蒸发,但只能在一定的温度下才能沸腾
C:液体沸腾时要吸热,而蒸发时不一定要吸热
D:蒸发和沸腾是汽化的两种方式
下列对图3的分析,符合史实的是( )
阅读短文, 选择正确的答案。
The red coat is my mother's. It's very beautiful. The brown jacket is my father's. The blue pants are my brother's. They're new. The orange shorts aye my sister's. She likes them very much. The green socks are mine.
计算:x2-1x2+4x+4÷(x+1)•x2+3x+21-x.