To reduce pollution, more and more people use e cars to go to school. 查看更多

 

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___ the beginning of the meeting, the president made a speech ___ how to reduce pollution.

A.at; in

B.at; on

C.in; on

D.on; on

 

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___ the beginning of the meeting, the president made a speech ___ how to reduce pollution.
A.at; inB.at; onC.in; onD.on; on

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任务性阅读。
free   drive   noisy   clean   little
     It is everyone's duty to protect the environment. Air pollution and    1    pollution are big problems.
We should take daily actions to make the pollution    2    senous. We can control the way we choose to
live and act on our neighborhood to reduce pollution. For example, if you don't litter here and there,
streets will become cleaner. Also, if you don't spit on the gound    3   , the air will become    4   ; and if
you ride to work instead of    5  , there will be less air pollution to protect ourselves.
     So let's do what we can to help protect our living environment.
任务A:用方框内所给的词的适当形式填空,使文章通顺、合理。
1._____ 2.______ 3.______ 4.______ 5.______
任务B:根据英文释义及首字母提示,拼写单词。
6. s_____ more than two but fewer than many
7. c_____ to enjoy oneself usually for a special reason

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Now more and more people walk or ride bikes instead of taking the taxi to reduce              pollution.
[     ]
A. air
B. soil
C. water
D. noise

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___ the beginning of the meeting, the president made a speech ___ how to reduce pollution.


  1. A.
    at; in
  2. B.
    at; on
  3. C.
    in; on
  4. D.
    on; on

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