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完形填空
China's giant panda shows the achievement of the international effort to save animals that are now in danger. In television programs we often see pandas 1 funny games. Children have panda toys and beautiful cards with pictures of lovely 2 in them. They often visit the giant pandas in the zoo on 3 holidays and have a good time there. However, scientists are worried about the 4 of giant pandas. They know only about 1,000 giant pandas remain 5 today. They think the giant panda will die out in 30 years if the present conditions are not 6 .
It is reported that the giant pandas have a very 7 birthrate. About 115 pandas live in zoos and research centers mainly in China, but during the past 10 years they 8 only 34 9 pandas that are still alive. Survival rate for giant pandas in the wild are probably the same or lower.
There are several reasons for the low 10 . The main reason is __1__ male pandas can make love with females in a very 12 season-only a few days a year. When they do have babies, females often produce two pandas, but the mother is usually not able to care for 13 of them. The newborn pandas 14 only a few kilograms each. They are too weak to live without special care. In the zoo, scientists can help the mothers __15__ the young pandas, but those living in the wild do not get enough 16 . It is very difficult for mother pandas to bring up their young pandas.
Conditions for the giant pandas have been worse in recent years. Pandas in China continue to 17 in number. We know pandas live on bamboos. But sometimes all the bamboos in one area die. The pandas there have __18__ to eat and die of hunger.
Giant pandas now live in 13 separate 19 areas in China. Several years ago the Chinese government and the International Wild Life Organization agreed 20 a project of protecting giant pandas in the wild. We hope it could be helpful.
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完形填空
China's giant panda shows the achievement of the international effort to save animals that are now in danger. In television programs we often see pandas 1 funny games. Children have panda toys and beautiful cards with pictures of lovely 2 in them. They often visit the giant pandas in the zoo on 3 holidays and have a good time there. However, scientists are worried about the 4 of giant pandas. They know only about 1,000 giant pandas remain 5 today. They think the giant panda will die out in 30 years if the present conditions are not 6 .
It is reported that the giant pandas have a very 7 birthrate. About 115 pandas live in zoos and research centers mainly in China, but during the past 10 years they 8 only 34 9 pandas that are still alive. Survival rate for giant pandas in the wild are probably the same or lower.
There are several reasons for the low 10 . The main reason is __1__ male pandas can make love with females in a very 12 season-only a few days a year. When they do have babies, females often produce two pandas, but the mother is usually not able to care for 13 of them. The newborn pandas 14 only a few kilograms each. They are too weak to live without special care. In the zoo, scientists can help the mothers __15__ the young pandas, but those living in the wild do not get enough 16 . It is very difficult for mother pandas to bring up their young pandas.
Conditions for the giant pandas have been worse in recent years. Pandas in China continue to 17 in number. We know pandas live on bamboos. But sometimes all the bamboos in one area die. The pandas there have __18__ to eat and die of hunger.
Giant pandas now live in 13 separate 19 areas in China. Several years ago the Chinese government and the International Wild Life Organization agreed 20 a project of protecting giant pandas in the wild. We hope it could be helpful.
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完形填空
Clean air 1 important 2 health. If there are impurities (杂质) in the 3 , 4 may 5 by our bodies and make us 6 . We need clean air, but 7 , air pollution 8 generally 9 , especially 10 cities.
Now, 11 people are 12 the importance 13 clean air. Schools are now teaching about the pollution problem .Industries are 14 to help clean up their smoke. Scientists are 15 to develop 16 engines for cars. Some day we 17 drive cars that are run by electricity. 18 the day will come 19 people will be able to 20 clean air in cities.
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