2021-2022学年高中英语必修三课堂10分钟达标: Module 3 Period 1 IntroductionReading and Vocabulary 文本研读课.pdf

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1、1 温馨提示: 此套题为 Word 版,请按住 Ctrl,滑动鼠标滚轴,调节合适的观看比例,答案解析附后。关闭 Word 文档返回原板块。 课堂课堂 1010 分钟达标分钟达标 Forces other than damaging winds are also at work inside tornadoes. Sometimes, as the wind passes a house, the walls and ceiling burst apart as if a bomb had gone off inside. This explosion(爆炸)is caused by the l

2、ow air pressure(压力)at the center of a tornado. The pressure at the center of a tornado is usually 13 pounds per square inch. However, inside the house the air pressure is normal, about 15 pounds per square inch. The difference of 2 pounds per square inch between the inside and outside pressure may n

3、ot seem like much. But suppose a tornado passes over a small building that measures 20 by 10 by 10 feet. On each square inch of the building, there is 2 pounds of pressure from the inside that is not balanced by air pressure outside the building. On the ceiling, that adds up to an unbalanced pressur

4、e of 57, 600 pounds. The pressure of the four walls adds up to172, 800 pounds. If windows are open in the building, some of the inside air will rush out through them. This will balance the pressure inside and outside the building. But if the windows are shut tightly, the huge inside pressure 2 may c

5、ause the building to burst. Unfortunately, heavy rain often occurs in the storms that later produce tornadoes, so people often shut their windows. This may cause far worse damage later. 【语篇概述】本文主要讲述龙卷风除了具有破坏力极大的风之外, 多种力也作用于其内部。 . Skim the passage and tell us the main idea. The passage mainly tells u

6、s _. 答案:the damage when a tornado occurs . Read the passage again and choose the best answers. 1. What did the paragraph before this passage most probably discuss? A. Measuring rainfall from a storm. B. The powerful winds of tornadoes. C. The kinds of damage caused by explosions. D. Repairing the da

7、mage from tornadoes. 【解析】选 C。推理判断题。文章一开始就谈到龙卷风发生时, 内部的低压引起的“爆炸”会造成墙倒屋塌。在此之前很可能谈论的是“爆炸”所引起的各种破坏程度。 2. Which of the following is the main topic of the passage? A. How tornadoes can be prevented. B. When tornadoes usually occur. C. Where tornadoes are formed. 3 D. Why tornadoes cause so much damage. 【解

8、析】 选 D。主旨大意题。文章主要是围绕龙卷风造成破坏的原因来展开的。 3. What is the difference per square inch between the air pressure inside a building and the air pressure inside a tornado? A. 2 pounds. B. 10 pounds. C. 13 pounds. D. 15 pounds. 【解析】选 A。数字计算题。根据第二段内容及该段第三句“The difference of 2 pounds per square inch between the in

9、side and outside pressure may not seem like much. ”可知建筑物每平方英寸的气压之差是 2 磅。 4. Why do people shut windows when tornadoes occur? A. Because the wind is strong. B. Because there is heavy rain. C. Because the weather is foggy. D. Because the weather is cold. 【解析】选 B。细节理解题。根据文章最后一段可知答案。 关闭 WordWord 文档返回原板块

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