关于温度、热量、内能,以下说法正确的是
A:物体的温度越高,所含的热量越多
B:物体吸收热量时,温度不一定升高
C:0℃的冰与0℃的水内能相等
D:物体的温度升高,一定是吸收了热量
如图,正方形ABCD中,扇形BAC与扇形CBD的弧交于点E,AB=2cm.则图中阴影部分面积为____ .
计数器上的数是由____个千、____个百、____个十、____个一组成的.
根据句意及首字母提示完成单词 Do you like eating ice cream in s ____?M ____ is not everything, but we must have it. Don't run when you see a dog. It is d____. Miss Smith is a good teacher, and she t____ us English.As a reporter, he works for a m____.
下列酒精灯的使用方法正确的是( )