题文
阅读理解. The dinosaurs once lived happily on the earth. But 65 million years ago, they suddenly died out. What happened to them? Scientists think that a change in temperature may be to blame. They have come up with lots of ideas to explain the end of the dinosaurs. The most famous one is the minor planet (小行星) idea. Let's go back to that day 65 million years ago to e what happened. Everything was OK before a large minor planet suddenly hit the earth. What a terrible hit! It caud big fires, storms, acid rain (酸雨), and even earthquakes and volcano eruptions. Thehit produced a lot of dust, which flew up into the air and blocked the sun for months. The earth became very cold without sunlight. The plants died first. Then the grass eating animals died of hunger. Then the meat eating animals could not find food, either. They began to eat each other, but after a while they died out, too. The dinosaurs, either plant-eaters or meat-eaters, did not live through the disaster. What a sad story ! In April, a British scientist thought of a new idea about the death of the dinosaurs. He thinks that after the minor planet hit the earth, the temperature change left more dinosaurboys than girls! Without enough female dinosaurs to hatch the eggs, the dinosaur population became smaller and smaller.1. may be the main reason for the dinosaurs dying out according to scientists.A. Big firesB. EarthquakesC. Acid rainD. Temperature change2. The passage mentioned ideas that the scientists came up with about the end of the dinosaurs.A. two B. threeC. four D. five3. The underlined expression "volcano eruptions" probably is .A.the name of a minor planeB. one kind of dinosaursC. one kind of disasterD. the name of an earthquake4. The earth became cold becau .A. the sun refud to riB. the dust kept the sunlight awayC. there's too much rainD. there are too many dinosaurs5. This passage may be found in .A. a science fiction B. a story bookC. a dictionary D. a science magazine
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答案
1-5 DACBD
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解析
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考点
据考高分专家说,试题“阅读理解. The dino.....”主要考查你对 [科教类阅读 ]考点的理解。
科教类阅读
科普类的阅读:科普类的阅读理解包含介绍科学知识、社会知识的短文。阅读这类短文时,要以事实为中心进行思考,抓住事物的特征、用途、相互关系等。如果是介绍社会现象的文章,要掌握所谈现象的内涵。
答题技巧:1. 加强整体意识,把握文章的主要内容。在阅读的时候可给段落标上序号,并给重要的句子和 关键词做上记号,尤其是各段中心句,为答题提供更快捷更多的信息源。 2. 审清题干,发觉和把握试题中有效的提示性信息,确认命题的角度、阅读范围和答题方式。 3. 定位阅读,强化对应意识。同时要注意原文利用和自我加工相结合。
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