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Unit 16
重点、难点练习题
1． A ２． B ３． A ４． D ５． B
全方位单元综合练习题
Ⅰ. 1. 远离大海 2. 开心的假期 3. 潜水 4.
在海军部队
5. 毕业 6. we'd better not talk 7. sound like a good idea
8. hold one's breath 9. take a deep breath 10. I wish
the weather were better
Ⅱ. 1. Sounds like a good
idea
2. Why? Can't we go there?
3. It doesn't matter
4. Yes, but it's a bit too windy and cold
Ⅲ. 1. could go 2. were 3.
were 4. could go 5. isn't
Ⅳ. 1. Seaweeds produce various
chemicals that keep the sea water clean.
2. The water contains 35 parts of salt per thousand parts
of water. That is 35% by weight.
3. The Great Salt Lake in the USA.
4. It is the most famous salt lake.
Ⅴ. １． D ２． B ３． C ４． B ５． C ６． D ７． A ８． C ９． B１０． C
Ⅵ. variety , made a journey, lays
, are lying , partly , types, using, at a time ,lifting,
comes up
Ⅶ. １． A ２． B ３． B ４． C ５． A
Ⅷ. １． D ２． G ３． F ４． A ５． C
Ⅸ. 1. silence, 2. repairs, 3. quarrelled, 4. variety,5.
construction 6. Conditions 7. hold 8. sailor 9. bathe10.
captain
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