The air bag is a piece of safety equipment in cars. It was first designed by John W. Hetrick in 1952. Like many inventions, he came up with the idea as a result of an event that had occurred in his life. He says:

“In the spring of 1952, my wife, my seven-year-old daughter, Joan, and I were out for a Sunday drive in our 1948 Chrysler Windsor. About three miles outside Newport we were watching for deer jumping across the road. Suddenly, there was a large rock in our path. I hit the brakes and we went into a ditch(壕溝).

“As I applied the brakes, both my wife and I threw our hands up to keep our daughter from hitting the car. There was soft mud in the ditch, so the car wasn’t damaged, and no one was hurt.”

“During the ride home I couldn’t stop thinking about the accident. I asked myself,‘Why couldn’t some object come out to stop you from striking the inside of the car?’As soon as I got home that night I drew some sketches(草圖). Each evening for the following two weeks, I’d add or reduce something from the sketches.”

Hetrick applied an event he had observed while in the Navy to the design of the air bag. He was repairing a torpedo(魚雷) which had a cloth covering. When the compressed（壓縮的） air that was in the torpedo was let out, the covering was suddenly filled with air and was shot to the ceiling.

With this knowledge, he developed his design until he was able to obtain a patent on the invention on August 5, 1952. The idea was similar to the air bag designs of today. Compressed air is stored in a container and when a traffic accident occurs and the car slows down at a rapid enough rate, the air will be released into the air bag. The idea was ingenious, but Hetrick’s air bag never would have functioned properly. It was really a breakthrough, but it would require years and years of designing and testing by some top car designers before it could be used.

1.The car accident Hetrick was involved in ________.

A．damaged his car                        B．happened in 1948

C．was caused by a deer                    D．caused no harm to his family

2.Hetrick’s experience in the Navy________.

A．turned out to be dangerous               B．was helpful to his invention

C．involved designing torpedoes              D．inspired him to design an air bag

3.The underlined word “ingenious” in the last paragraph is closest in meaning to _______.

A．creative          B．ridiculous         C．crazy             D．complex

4.What do we know about the air bag Hetrick designed?

A．It came into use in the 1950s.              B．It performed perfectly in car accidents.

C．It prepared the way for air bags nowadays.    D．It took Hetrick about two months to develop it.

5.The text is mainly about ____.

A．the great inventor Hetrick                 B．The invention of air bags

C．a(chǎn) terrible car accident                    D．road safety in the 1950s

 

【答案】

1.D

2.B

3.A

4.C

5.B

【解析】

試題分析：這篇文章講的是氣囊是如何發(fā)明的。一方面是John W. Hetrick自己的一次車禍，還有在海軍的經(jīng)歷都促使他發(fā)明了氣囊。

1.細節(jié)題：從第三段的句子：There was soft mud in the ditch, so the car wasn’t damaged, and no one was hurt.”可知那次車禍中沒有人受傷。選D

2.細節(jié)題：從倒數(shù)第二段的句子：Hetrick applied an event he had observed while in the Navy to the design of the air bag. 可知他在海軍的經(jīng)歷對這個發(fā)明是有幫助的。選B

3.猜詞題：從前面的句子：Compressed air is stored in a container and when a traffic accident occurs and the car slows down at a rapid enough rate, the air will be released into the air bag. 可知這個想法很有創(chuàng)造力。選A

4.細節(jié)題：從最后一段的句子：The idea was similar to the air bag designs of today. but it would require years and years of designing and testing by some top car designers before it could be used.

可知他的發(fā)明為現(xiàn)在的氣囊設計做了準備。選C

5.主旨題：從第一段的句子：The air bag is a piece of safety equipment in cars. It was first designed by John W. Hetrick in 1952. Like many inventions,可知這篇文章講的是氣囊的發(fā)明。選B

考點：考查歷史類短文

點評：這篇文章講的是氣囊是如何發(fā)明的。這篇閱讀理解集中考查了細節(jié)題，要求考生仔細閱讀全文，做好相應的標志，以提高閱讀的效率和速度，做題時要審清題干，發(fā)覺和把握試題中有效的提示性信息，確認命題的角度、閱讀范圍和答題方式。

 

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