备考2017年大学英语四级改错题每日一练(4)

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文章摘要:备考2017年大学英语四级改错题每日一练(4),视乐奇多吃鱼免费铃声,刘海峰都要金银牌。

赌球网址 鲤鱼小编 更新时间:2017-05-27

Only a generation ago, Mauritania's capital city was 
many day's walk from the Sahara. Today it is in the Sahara. 1.__________ 
The sand blows through the city streets and piles up in 2.__________ 
walls and fences. The desert stretches out as far as the 
eye can see. 

In some parts of the Amazon rain forest in Brazil, all 
the trees have cut down. The earth lies bare and dry in the 3.__________ 
hot sun. Nothing grow there anymore. 4.__________ 

Over vast areas of every continent, the rainfall and 
vegetation necessary for life is disappearing. Already 5.__________ 
more than 40 percent of the earth's land is desert and 6.__________ 
desert-like. About 628 million people--one out of seven-- 
live in these dry regions. In the past, they have managed to 
survive, but in difficulty. Now, largely through problems 7.__________ 
caused by modern life, our existence is threatened by the 8.__________ 
slow, steady spread of the earth's deserts. 

Many countries first became concerned in 1970s after 9.__________ 
a terrible drought and famine destroyed Africa's Sahel, 
the fragile desert along the south edge of the Sahara. 
Thousands of people died even though there was a worldwide 
effort to send food and medicine to the starved people. 10.__________ 

参考答案
1. day's → days' 
2. in → against 
3. have ∧ cut → been 
4. grow → grows 
5. is → are 
6. and → or 
7. in → with 
8. our → their 
9. in ∧ 1970s → the
10. starved → starving
 

 

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