A:物体温度升高,它的内能一定增加
B:物体吸收了热量,它的温度一定会升高
C:物体温度升高,一定是吸收了热量
D:1kg0℃的冰熔化成1kg0℃的水,内能增大
He is my best friend. _______ name is Mike. ( )
If all of us pull together, there must be something we can do _____.
算式:____×____=____
蛙的生殖和发育过程要经历几个发育时期( )