Water is ______ hydrogen and oxygen．

admin2011-03-26 45

问题 Water is ______ hydrogen and oxygen．

选项 A、made up
B、made up of
C、made by
D、making by

答案B

解析 be made up of“由……组成，含有”；make up“组成，构成”；be made by“由……制造”。

转载请注明原文地址:https://kaotiyun.com/show/GivC777K

英语

相关试题推荐

随机试题

最新回复(0)