Air is the mixture of gases in which ______ the gas is oxyen.

admin2009-01-15 42

问题 Air is the mixture of gases in which ______ the gas is oxyen.

选项 A、not every of
B、not all
C、none of
D、all of

答案B

解析句义为“空气是一种混合气体，因为所有的气体不全是氧气”，所以用not all，而C项none of一般修饰人。

转载请注明原文地址:https://kaotiyun.com/show/1QAd777K

公共英语二级笔试

相关试题推荐

随机试题

最新回复(0)