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一、用方框中所给词的适当形式填空，每词限用一次
several none recent
serious nose normal
1. It's important to cover your
and mouth with a wet towel in heavy
smoke.
2.
gets hurt in the earthquake.
3. A
in the popularity of Chinese culture
around the world.
4. It's
scared during a storm.
5. We must take the problem of global
warming
challenge facing human beings.
6. He wrote
childhood before he became famous as a
writer.
several none recent
serious nose normal
1. It's important to cover your
nose
and mouth with a wet towel in heavy
smoke.
2.
None
(没有一个) of the villagersgets hurt in the earthquake.
3. A
recent
report shows an increasein the popularity of Chinese culture
around the world.
4. It's
normal
for a young child to feelscared during a storm.
5. We must take the problem of global
warming
seriously
, because it is a bigchallenge facing human beings.
6. He wrote
several
books about hischildhood before he became famous as a
writer.
答案
1. nose 2. None 3. recent
4. normal 5. seriously 6. several
4. normal 5. seriously 6. several
