Water______be changed into gas, but it______be heated to its boiling point.

admin2019-04-04  28

问题 Water______be changed into gas, but it______be heated to its boiling point.

选项 A、must; can
B、may; needn’t
C、can; must
D、need; may

答案C

解析 水能够变成气体,但必须得它达到沸点时才可以。
转载请注明原文地址:https://jikaoti.com/ti/zSWMFFFM
0

最新回复(0)