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Look up at the sky at night.What can you see?Less than 100 years ago,everyone could look up and see the night sky full of stars.Now,in most big cities we can see few or no stars.Why?That's(1)
because
because
light fills the skies over our cities.
    Air,water,and noise pollution are not new to us,but do you know that light can also be(2)
a
a
kind of pollution?The improper use of lights - known as light pollution - may have serious effects on humans,wildlife and weather conditions.
    Cities and towns usually have more light pollution(3)
than
than
the countryside.Much outdoor lighting(4)
used
used
(use) at night for offices,factories,streetlights and sports centers is much too bright and sometimes(5)
completely
completely
(complete) unnecessary.
    Some scientists are finding ways to stop light pollution and make our lives(6)
better
better
(good).
   The good news is that light pollution,unlike many other kinds of pollution,is controllable and each one of us can make a difference!Just(7)
realizing
realizing
(realize) that light pollution is a problem is not enough:what we need is action.(8)
For
For
example,many streetlights now have covers.The covers let the light only(9)
point
point
[p??nt] to the ground.They stop the light from going up into the sky.They also save(10)
energy
energy
['en?d?i].The covers are a small change,but they can still have a good effect.

【考點】說明文
【答案】because;a;than;used;completely;better;realizing;For;point;energy
【解答】
【點評】
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發(fā)布:2024/7/20 8:0:8組卷:21引用:3難度:0.5
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    發(fā)布:2025/1/30 8:0:1組卷:10引用:2難度:0.9
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    發(fā)布:2025/1/5 12:0:4組卷:6引用:1難度:0.5
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