阅读理解。　　Why do earthquakes happen? Scientists explain that the outside

题文

阅读理解。 Why do earthquakes happen? Scientists explain that the outside of the earth is made of a number of different plates(极块). For example, at San Francisco the Pacific Plate which is moving towards the northwest meets the North American Plate. The Pacific Plate is moving very   slowly-at 5. 3 centimetres a year. Sometimes the two plates stop and do not move for years. Then suddenly, they jump and an earthquake is felt. As the movement of the plates,West America near the a has always been a bad place for earthquakes. When the 1906 earthquake happened, the Pacific Plate jumped 5-6 metres to the north. We cannot stop earthquakes, but we can do things to make sure they don't destroy(毁坏) the whole of cities. First,it is not a good idea to build hous along the lines, where two of the earth's plates join together.Second, if you think there may be an earthquake, it is better to build hous on rock not on sand. Third, you must make the hous as strong as possible. Weak buildings will fall down in an earthquake,but strong ones may stay up.1. Scientists explain that _____.A. the outside of the earth is made of a plateB. the inside of the earth is made of different platesC. the outside of the earth is made of lots of different platesD. the earth is a plate2. An earthquake can be felt _____.A. when two plates push each otherB. when one plate pulls another plateC. when one plate jumps over another plateD. when two plates don't move3. An earthquake shook San Francisco in the past becau _____.A. San Francisco stands along between the Pacific Plate and the North American PlateB. San Francisco stands near the PacificC. San Francisco is near the aD. the city of San Francisco wasn't built very well4. We can't stop _____.A. earthquakes from destroying the whole of citiesB. earthquakesC. building hous along the earthquake lineD. building weak hous at San Francisco5. We _____to make sure earthquakes don't destroy the whole of cities.A. should build hous far from the earthquake lineB. should build hous on rock not on sand if we think there may be an earthquakeC. must make the hous as strong as possibleD. A, B and C

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答案

1-5 CAABD

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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。