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Air pollution is caused by many things. Great clouds of smoke come from factories. Cars send smoke and fumes into the air. Burni
Air pollution is caused by many things. Great clouds of smoke come from factories. Cars send smoke and fumes into the air. Burni
admin
2016-01-29
13
问题
Air pollution is caused by many things. Great clouds of smoke come from factories. Cars send smoke and fumes into the air. Burning waste fills the air with bits of dirt. Even burning leaves add smoke to the air. Sometimes, planes cannot find their landing spots through smoke. Smoke of all kinds is bad to breathe and can do great harm to the body.
Still, we cannot live without air. We must find a way to clean the air we have.
In time, we may have factories that are run by atomic energy. Our cars may run on smoke-free electric power. Scientists are also working on new ways to help the oil burned by cars from making fumes. Waste may be burned in the sand on ocean floors.
These changes might keep our air clean in the years to come. But until then, many scientists are looking for ways to make air cleaner now.
The story does not say so, but it makes you think that______.
选项
A、stopping air pollution is hard
B、dirty air is blown away by the wind
C、planes cannot fly through smoke
D、it is impossible to make dirty air cleaner
答案
A
解析
A说阻止空气污染是很难的,文中提到了很多解决的方法,加上最后一句But until then,many scientists are looking for ways to make air cleaner now.可见确实不容易。A项说脏的空气可以被风吹走,但是无论怎么吹都是在地球上,这不是解决环境污染的方法,所以不正确。C项说飞机穿不过烟,其实飞机不能着陆只是因为视野无法穿透烟,所以C项也不对。D项说不可能使受污染的空气变干净,而文中提出了很多解决的方法,所以这个也不对。答案选A。
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小学英语题库教师公开招聘分类
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