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Trees are useful to man in three important ways, and they provide 1 with 2 and other products, they give him shade, and they help to prevent drought 3 floods.
Unfortunately, in many parts of the world, man has not 4 that the third of these is the most important. In his eagerness to 5 money from trees, he has cut them down in large 6 , only to find that without them he has lost the best 7 he had. And besides, he is usually too 8 to plant and look after new trees. 9 the forests slowly disappear.
This does not only 10 that man will have fewer trees. The results are even 11 , for where there are trees, 12 break up soil
allowing the rain to sink in and also bind (固定) the soil, thus preventing it from 13 easily; but where there are no trees, the 14 falls on hard ground and flows away, causing floods and carrying away the 15 top-soil. When all the top-soil is gone, nothing remains but worthless desert.
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阅读下面短文，用适当的词填空。
Trees are useful to human beings in three important ways：they 1 them with food and other produces; they give them 2 ; and they help to 3 floods． 4 in many parts of the world, people haven't realized that the 5 of these services is the most important．To get quick profits from the tree, they have cut them in 6 numbers, only to find that they have 7 their good friends．Two thousand years ago a rich and 8 country cut down its trees to build warships, with which it seized an empire．It gained the empire, 9 , without its trees, its 10 became hard and poor．When the empire fell to pieces, the home country found itself faced with floods and starvation．
It is difficult for the government to 11 the villagers to see this．They are usually too lazy or too careless to plant and look after new trees． 12 the government has a good system of control, the forest will slowly 13 ．This does not only mean that the villagers' sons and grandsons will have fewer trees．The results are even more 14 ．Where there are trees, their roots break the soil up－allowing rain to sink in．The roots also bind the soil, 15 preventing it from being washed away easily．If there are no trees, rain falls on hard ground and flows away from the surface, carrying away with it, the rich top-soil．When all the top-soil is gone, nothing 16 but a worthless desert．
1．________ 2．________ 3．________ 4．________ 5．________
6．________ 7．________ 8．________ 9．________ 10．________
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16．________
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The main purpose of newspapers are to provide 1．________
news. If you examine newspapers closely, you find that 2．________
there are all sort of news; accidents, floods, fires, wars, 3．________
sports, books, etc. The news cover everything that happens 4．________
to people and their surroundings. Sometimes there are 5．________
news items which are very interested. 6．________
A news report is usually very short, except for when it 7．________
was very important, but it has a lot of information. It 8．________
is also writing in short paragraphs. The first paragraph 9．________
is in the fact a summary of the news items. It gives all 10.________
the necessary information, what, when, where, how, and why.
The other paragraphs give full details of the subject.
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wind was so strong that many trees brought down. It 2.
was already eleven o’clock. Li Ming, who had been to 3.
night school, was still not back and her parents were 4.
very anxious. Half an hour later the wind stopped, and it 5.
was still raining. Li Ming’s parents were about to looking 6.
for him when he returned. Li Ming explained the wind has 7.
pushed over many big trees as well telephone lines, blocking 8.
the roads and that the bridge had been washed away by 9.
the floods. So they had been to find another way back. 10.
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