All teachers want to be in a ( )class where students are happy to ask and answer questions .A.active.B.lively为什么选B不选A,请详解,

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All teachers want to be in a ( )class where students are happy to ask and answer questions .A.active.B.lively为什么选B不选A,请详解,
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All teachers want to be in a ( )class where students are happy to ask and answer questions .A.active.B.lively为什么选B不选A,请详解,
All teachers want to be in a ( )class where students are happy to ask and answer questions .
A.active.B.lively
为什么选B不选A,请详解,

All teachers want to be in a ( )class where students are happy to ask and answer questions .A.active.B.lively为什么选B不选A,请详解,
很简单的理由选A前面用an,不是a,呵呵,因为active是元音读音开头的,所以只有选B,其实意思差不多,“活泼的,积极的”

注意前面的冠词是a,不是an,如果选A项,前面冠词不是错了嘛,故而先B喽!

选B。
 关键信息:

be in 【a】 【】class

不定冠词【a】,表明后面所接词是【辅音音素开头】

而   active【'æktɪv】是元音音素开头,所以不能用。

另外,这两个词用法上也稍有不同:

active

    adj.
    积极的;活跃的;主动的;有效的 
  • n.主动语态;积极分子

主要修饰人

lively

adj.活泼的;生动的;真实的;生气勃勃的  【可以修饰人,也可以修饰环境、处所】。

 

祝你开心如意!