高中英語閱讀練習題原文：

　　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 may cause 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.

　　高中英語閱讀練習題：

　　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 damage from tornadoes.

　　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.

　　D. Why tornadoes cause so much damage.

　　3.Tornadoes can destroy buildings because the______.

　　A. force of a tornado increases the air pressure in a building. B. air pressure at the center of a tornado is over 172000 pounds.

　　C. weight of a tornado can destroy a building‘s roof when it passes over head. D. air pressure inside a tornado is less than the air pressure inside a building.

　　4.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.

　　高中英語閱讀練習題答案：

　　C

　　D

　　D

　　A

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