A bottle weighs less after air is taken out, ______ proves that air has weight.

admin2017-07-18  25

问题 A bottle weighs less after air is taken out, ______ proves that air has weight.

选项 A、we
B、it
C、which
D、what

答案C

解析
转载请注明原文地址:https://jikaoti.com/ti/lEjGFFFM
本试题收录于: 英语题库成考专升本分类
0

最新回复(0)