一道英语选择题不懂We cannot accurately predict how much carbon dioxide _____by factories will remain permanently in the air.答案是released.为什么不是being released?不是被动语态吗?水讲得详细分给谁

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一道英语选择题不懂We cannot accurately predict how much carbon dioxide _____by factories will remain permanently in the air.答案是released.为什么不是being released?不是被动语态吗?水讲得详细分给谁
一道英语选择题不懂
We cannot accurately predict how much carbon dioxide _____by factories will remain permanently in the air.
答案是released.为什么不是being released?不是被动语态吗?水讲得详细分给谁

一道英语选择题不懂We cannot accurately predict how much carbon dioxide _____by factories will remain permanently in the air.答案是released.为什么不是being released?不是被动语态吗?水讲得详细分给谁
be released == Vpp 是被动语态
which is/was 已经省略

不一样的
这里不能要BE 动词的

后置定语被释放 being released正在被释放不符合句意就相当于which is Released

省去了that或whichbeing不能用作系动词

being released是正在进行的被动动作，而题中的动作并没有标明是正在进行的，
released表示两种含义1、被动，2、此动作已经完成

一个句子只能有一个被动词，前面已经有了，所以后面的要省略

这是个定语从句，省去了that或which，所以也就省去了was。being不能用作系动词。

一道英语选择题不懂We cannot accurately predict how much carbon dioxide _____by factories will remain permanently in the air.答案是released.为什么不是being released?不是被动语态吗?水讲得详细分给谁一道英语单项选择题,不懂可以说下原因吗一道英语选择题：We friends since three years ago. 帮我做一道英语选择题,We don't know____your face.A.with B.to C.from 一道英语选择题：We ask the police__________.A.to take which bus B.which bus to take 一道英语选择题；Of the four ,we can‘ send fax to the?A driver B teacher C doctor D farmer 英语选择题一道一道英语选择题22.30 一道英语选择题,学霸请戳询问一道英语选择题. 一道英语选择题, 一道小小英语选择题一道选择题英语问一道英语选择题求一道英语选择题一道英语选择题Who will you have___this work?A.to do B.done C.do D.doing这道题的答案是c,但搞不懂原因 HELP：一道英语单项选择题we all like the honest man and we( )him our good friend.a.say b.regard c.think d.consider 一道英语选择题10Seeing that they are very busy,we choose to leave quickly in case we __be in the way.A.mustB.canC.shallD.shouldWHY？