阅读理解
March 20th is World Water Day every year.According to a report from the United Nations, more than half of the world's major rivers have serious water loss and are polluted.
The Yellow River, the world's fifth longest river, watered some of the oldest farms on earth.But now it has a serious problem. 1 In most of the past 35 years, it didn't reach the sea.
The Nile in Egypt, running 6, 650 km, is the longest river in the world. 2 Now it is down to 2 billion m' or so.Australia's Murray River reaches the sea only every other year.One fifth of America's Rio Grande has no water, either.
3
Mostly it's damming(筑坝)and global warming that make rivers dry.
4 Now about 45, 000 of them lie across the world's rivers.They hold back around 15% of the world's fresh water from running to the sea.
Global warming is making things worse.Warmer weather takes water away.The glacier(冰川)are becoming smaller. 5 Global warming has had certain effects on water sources(源头).Droughts(干旱)happening around the world make people pay more attention to this fact.
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从方框中所给的选项中选出能填入空白处的最佳选项,补全短文,其中有一项为多余选项。
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阅读理解
阅读下面短文,从每题所给的A、B、C、D四个选项中选出最佳选项.
A Letter From Mar(火星)Dear Earthmen,
I have enjoyed my stay on your interesting planet. I think I understand the life on earth now and I would like to give my impressions(印象).
First of all you live in boxes. Every morning you leave your big boxes and get into smaller boxes on wheels(轮子). All these small boxes run around and around, and finally stop to rest. You leave these boxes on wheels and go to very large tall boxes.
After resting all day you get back in your little boxes and return to your big boxes. There you sit and look at very small glowing boxes with moving pictures on the front.
There is only one thing I don't understand. I went to a football game one day. A group of angry boys fought a little round ball. Everyone shouted but they kept fighting. They were angry, because they had been kept in boxes all day. I think.
Thanks you earthmen for this chance to get to know you.
Yours
The man from Mars
1.“Your interesting planet” means ________.
[ ]
2.“Big boxes” means ________.
[ ]
A.large wooden boxes for goods
B.streets
C.houses for people to live in
D.factories
3.“small boxes on wheels” means ________.
[ ]
4.“very small glowing boxes with moving pictures on the front” means ________.
[ ]
5.The man from the Mars ________.
[ ]
A.was afraid of fighting
B.enjoyed playing football
C.didn't understand football at all
D.understand football very well
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