A:物体的温度为0℃时,内能为零
B:热量总是从内能大的物体向内能小的物体传递
C:做功和热传递都能改变物体的内能
D:物体的温度不变,内能一定不变
一节数学课共 23 小时,同学们动手操作用了一节课时间的 15 ,老师引导讲解用了 310 小时,其余时间做作业。做作业用了多少小时?
Swimming club
Do you like to swim? Do you want to swim well? Then we have good teachers to teach you. Opening time:2: 00 p.m ~ 9: 30 p.m
Ticket price: 15 yuan for children, 20 yuan for adults(成人)
Please call Mr. Wang at 877-778
Children dancing club
We are a dancing club for children of 5~14. we have lessons from 9:00 to 10: 30 every Saturday and Sunday.
If you like dancing, just join us.
Call Miss Wu at 263-566
下列对宽容理解正确的是( )
下列哪些字母能对折剪出?在下面的括号里画“√”。