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【单选题】

The new system designed to ______ harmful emissions (排放物) from factories will be put into use soon.

A.
await
B.
polish
C.
curb
D.
dump
题目标签：排放物
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【单选题】下列排放物中危害眼、呼吸道和肺的是（）。
A.
CO
B.
HC
C.
NO
D.
N02
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【简答题】Everyone agrees that it’s necessary to reduce carbon emissions （排放物） around the world. There is less agreement over exactly how nations should go about achieving a more carbon - free planet. Thus, the...
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【简答题】Fill in the blanks with the words given below. space produce health reduce worry reason GIY stands for “grow it yourself” and is about a new fashion for growing your own food. There are...
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【单选题】以下中，不是一次有害排放物的是
A.
HC
B.
NOx
C.
光化学烟雾
D.
碳烟
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【简答题】GIY stands for “grow it yourself” and is about a new fashion for growing your own food. There are a lot of reasons why growing your own food is a good idea. GIY helps reduce carbon dioxide(CO2) emissi...
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【简答题】Unit 2 Words in use A embarrassed polished emotional efficiency curb awaits donation dump stuffed historical 1. He has a special feeling for the bril...
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【判断题】怠速的主要排放物是NOx。( )
A.
正确
B.
错误
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【单选题】下列排放物中危害眼、呼吸道和肺的是( )。
A.
CO
B.
HC
C.
NO
D.
N02
查看完整题目与答案

【单选题】下列排放物中危害眼、呼吸道和肺的是( )。
A.
CO
B.
HC
C.
NO
D.
NO2
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【单选题】在下述无害排放物中能够产生两次有害排放物的是（）。
A.
N2
B.
O2
C.
CO2
D.
H20
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