A:运动的物体有内能,静止的物体没有内能
B:物体的内能增加,一定是外界对物体做了功
C:物体温度升高,内能一定增加
D:物体吸收了热量,它的温度一定升高
下列物质中,通过简单扩散方式进入小肠绒毛上皮细胞的是( )
The little boy caught some ____ (butterfly) and put them into a big bottle.
- I don't think students should use mobile phones at school.
- ______. They really have a bad influence on our study.