A:温度越高,物体含有的热量越多
B:0℃的冰熔化成0℃的水时,温度和内能都不变
C:燃料燃烧时放出的热量越多,燃料的热值越大
D:比热容跟物体吸收或放出的热量的多少无关
Travelling to London
We think ⑴ is the best season to visit England.
We did most of our sightseeing(观光) ⑵ .
The best part of the trip was going to the theatre.
We don't think the English food is very ⑶ .
关于现代通信和电磁波,下列叙述正确的是( )