2016中考英语专项复习阅读理解 科普环保类专.doc
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1、1中考复习科普环保类专项练习中考复习科普环保类专项练习一、阅读理解When you watch TV programs about wild animals, it is surprising to see how an antelope (羚羊) can run away from a strong lion. In the wilderness, everyone has his own way to protect himself. Even plants have their own ways to fight off enemies. Over millions of years,
2、plants have developed their own defense system (防卫系 统). Chemicals are fantastically used by plants to survive (幸存). By making their leaves, flowers, roots and fruits poisonous (有毒的) to enemies, plants can fight back. One such plant is the Golden Wattle tree. The British scientist David Cameron has f
3、ound when an animal eats the trees leaves, the amount (数量) of poison increases in the other leaves. “Its like the injured leaves telephoning the others to fight together against the enemy,” he said. The tree also sends defense messages to neighboring plants by giving out a special smell. Golden Watt
4、le trees in the nearby 45 meters will get the message and produce more poison within 10 minutes. Now, if an enemy eats too many of the trees leaves, he will die. Every kind of plant or tree is good at producing a special set of chemicals. Herbivores, like rabbits, can safely eat the leaves of one tr
5、ee, but they may be poisoned by its neighbor. In this way, plants have not only developed their own defense system, but also shared it with others. This makes it impossible for a single animal to destroy even a small area of forest. 1From the first 2 paragraphs, we can learn that _. A. plants can do
6、 nothing against their enemies B. chemicals are quite useful for plants to survive C. an antelope can always run away from a strong lion D. leaves, roots, flowers and fruits of plants are poisonous 2If animals eat one Golden Wattle trees leaves, the tree can_.A. kill the animals with a special smell
7、 B. tell other trees to come to protect it C. warn other trees against the animals on the phone D. send defense messages to the neighboring plants 3The underlined word “herbivores” in the 5th paragraph probably means animals which _. Aproduce poison Blive on small animals Clike to eat rabbits Dfeed
8、on plants or grass 4The last paragraph of the passage suggests that this kind of defense system is _. Abad for animals Bgood for forests2Chelpful to some animals Dharmful to forests 5The passage is mainly about _. Athe examples of protecting forests Bthe balance between animals and plants Cthe ways
9、of plants fighting against enemies Dthe relationship between lions and antelopesQi Haoran, a Junior 1 student, was quite busy over the past winter vacation and not just with homework. Qi, together with 10 other classmates made a volunteer group to call on people to join the Clean Your Plate Campaign
10、 (“光盘 行动”).The 11 students went to many restaurants and told people the importance of saving food.“Excuse me, do you know that 950 million people around the world still havent got enough to eat? Please dont waste food.” They would say this kind of thing hundreds of times every day.The Clean Your Pla
11、te Campaign began on the Internet in January. It calls on people to reduce food waste.China in these years had serious problems with wasted food. CCTV reported in January that the food Chinese people waste every year is enough to feed 200 million people for a year.Chinese people are well known for b
12、eing hospitable (好客的) and generous(大方的).Many even feel that they lose face if their guests have eaten all the food.Luckily, the campaign has got the support of many. In a restaurant in Xinjiang, the owner give the guests who have eaten all that they ordered a sticker (贴花).People can enjoy a free mea
13、l when they have 10 stickers. More than 750 restaurants in Beijing have begun to offer smaller dishes and encourage their guests to take leftovers (剩饭剩菜) home.To reduce food waste is a big task, and it needs time. Its important that everyone does their bit, just like Qi. Did you finish your meals to
14、day? 根据短文内容,从 A、B、C、D 四个选项中选择最恰当的答案。 6What did the 11 students do in the winter vacation?A. The helped each other with homework. B. They opened a restaurant together. C. They volunteered for a campaign. D. They collected money from customers in restaurants. 7In this passage the underlined word “call
15、 on ” means _. A.打电话 B.号召 C.拜访 D.叫喊 8The Clean Your Plate Campaign calls on people to _.A. do volunteer work B. work part time in restaurants C. cut down on food waste D. wash your plates after dinner 9From Paragraphs 4-5, we learn that _.A. wasting food is a serious problem in China B. Chinese peop
16、le waste the most food in the world3C. Chinese people want to show off that they are rich D. most Chinese people are afraid of losing face at the table 10What did the restaurant in Beijing do to support the campaign?A. The owner would have dinner with those who had eaten up their food. B. It offered
17、 a free meal to the guests who had finished all their food ten times. C. It gave stickers to the guests who ordered small dishes. D. It encouraged customers to take leftovers home.In nature, you may see many insects (昆虫)and animals of different colors. Have you ever wondered why?Locusts are super de
18、licious food for birds, but it is not always an easy job for birds to catch them. It is neither because locusts are good jumpers or runners nor because they are smarter than their enemies. The reason is that the colors of locusts change with the colors of crops(庄稼). When crops are young, locusts loo
19、k green. But when autumn comes, locusts change to the yellow and brown color as crops do.Brown bears, tigers and other animals move quietly through forests. They cant be seen easily by their enemies. This is because they have colors similar to the trees. For the same reason, polar bears that live on
20、 a land of snow and ice are white. Butterflies and bees living among the flowers are colorful like flowers. Soil insects are mostly dark-colored and they live under the soil(土壤) in a dark and wet environment. However, insects with colors different from plants can easily be found and eaten by others.
21、 So in order to survive, they have to hide themselves in the daytime and appear only at night.Have you ever noticed some even stranger acts? The ink fish in the sea can send out some very black ink when it faces danger. As the ink spreads over , its enemies will find themselves suddenly in a dark wo
22、rld. At the same time the ink fish immediately swims away. That is how it keeps itself safe though it is not strong at all. 11It is not easy for birds to catch locusts because_.A .locusts are good runners B. locusts can jump very high C. locusts are smarter than birds D. locusts can change their col
23、or 12According to the passage, most soil insects_A. do not have bright colors B. change their colors with the soil C. do not live in a dark and wet environment D. Eat colorful insects like butterflies and bees 13Whats the meaning of the underlined word”survive” in the passage? A. 繁殖 B. 产卵 C. 觅食 D. 生
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