Do you think of white when someone talks about a polar bear? In fact, the polar(北极) bear does not have white fur. It just appears to be white. Polar bears have a very good sense of smell. It helps them to find food. During summer, polar bears sleep longer, because they are able to find their food more easily at night. Usually, after a meal, polar bears have a short sleep. A polar bear can have 2-3 babies at a time. They live with their mothers until they are about two-and-a-half years old.
However, polar bears will die out soon because of people. There are only 20,000 to 25,000 polar bears in the world. The ones that are left are trying to survive today. The number of polar bears is becoming smaller and smaller because of the loss of sea ice— polar bears mostly inhabit (居住于) the sea ice, not the land ice. This is happening because of global warming (全球气候变暖), pollution, hunting and so on.
Ordinary people don't care, but great people have the power and want to save tigers, fight for giant pandas and save polar bears. Ordinary people will wait, but great people will find a new world. For me, I will not waiting. I will take the bus more often from now on. Join me and save the polar bears, and, of course, the tigers, the giant pandas and...
1.According to the passage, which of these answers does NOT make sea ice less?
A. Global warming. B. Pollution.
C. Hunting. D. Travelling.
2.What can we learn from the passage?
A. Polar bear fur is white.
B. Perhaps the writer will drive his car less.
C. It's harder for polar bears to find food in summer.
D. Polar bears left have a good, happy life.
3. What does the word "ordinary" mean in Chinese?
A. 勤劳的 B. 聪慧的 C. 普通的 D. 坚强的
4.What is the main idea of this passage?
A. To show that the number of polar bears is getting smaller.
B. To tell people that polar bears will soon have nowhere to live.
C. To let people know why polar bears are in danger.
D. To talk about polar bears and suggest that people protect animals.
5.Where can this passage come from?
A. A magazine about animals. B. A book about greetings.
C. A poster about working plans. D. An instruction book.
完形填空 将序号填在下面框内(共10小题,每小题1分,满分10分)。
根据短文内容,从各题所给的A、B、c、D四个选项中选出最佳选项。
Most adults(成年人)once studied at school, had classes and did their homework every day. The same is going on at school now. it seems that doing weekend homework is problem for the modern students.
All the students should agree that weekend homework should be abolished(取消).It's for them studying at school five days a week. They have a lot of interests. With homework to do on Saturday and Sunday, when can they find to help around the house, go and see a football or basketball game or a good film, join in family recreations(娱乐),or just have at home? Because of these other activities, the homework can't be finished until .So their weekend homework is usually done in such a hurry that on Monday teachers are and often threaten(威胁)to fail(使考试不及格)whole class of students because they know nothing about the . If there is no weekend homework for the students to do, they will be happy to go to school on Monday having a good rest and to learn what the teachers teach.
1.A. thing B. school C. class D. homework
2.A. Also B. But C. Still D. Though
3.A. no B. another C. one D. other
4.A. not enough B. enough C. no good D. no use
5.A. friends B. time C. places D. money
6.A. a rest B. an exam C. a lesson D. a picnic
7.A. Monday afternoon B. Saturday afternoonC. Friday night D. Sunday night
8.A. pleased B. sorry C. unhappy D. not worried
9.A. lesson B. games C. interests D. Activities
10.A. until B. when C. before D. after
--- We’re going to play on Huaguo Mount this week.
--- Really? ______!
A. Enjoy yourselves B. Congratulations
C. It’s nice of you D. Come on
When he is free, he often helps his parents ________ some housework.
A. does B. do C. doing D. did
--- What did the policeman say to you, Liu Ying?
--- He told me ______ my purse in the bicycle basket. It’s too dangerous.
A. not put B. to put
C. don’t put D. not to put
It was a great day ,____ we did not enjoy it at the beginning.
A. and B. but C. or D. then