2017年職稱英語考試衛(wèi)生類B概括大意練習(xí)題

　　2017年職稱英語考試開始備考啦，yjbys網(wǎng)小編為大家提供了相應(yīng)的練習(xí)題，以下是2017年職稱英語考試衛(wèi)生類B概括大意練習(xí)題，希望對(duì)大家的備考有所幫助。

　　Hurricanes (龍卷風(fēng))

　　1.Did you know that before 1950, hurricanes had no names? They were simply given numbers. The first names were simply Alpha, Bravo, Charlie, etc.. but in 1953, females' names were given because of the unpredictability (不可預(yù)知) factor of the storms. In1979, realizing the sexist (性別歧視的 ) nature of such names, the lists were expanded to include both men and women.

　　2.Hurricanes and typhoons (臺(tái)風(fēng)) are the same things. If they form in the Atlantic, we call these strong storms hurricanes, from the West Indian word hurricane, meaning "big wind". And if they are Pacific storms, they are called typhoons from the Chinese taifeng, meaning "great wind". To be classified as a hurricane, the storm must have maximum winds of at least 75 mph. These storms are big, many hundreds of miles in diameter.

　　3.Hurricanes get their power from water vapor as it gives out its stored-up energy. All water vapor gives out heat as it condenses (凝結(jié)) from a gaseous state to a liquid state over fixed points on the equator (赤道) . To make a hurricane, you must have extremely wet, warm air,the kind of air that can only be found in tropical region.

　　4.Scientists have determined that the heat given out in the process of water condensation can be as high as 95 billion kilowatts per hour. In just one day alone, the storm can produce more energy than many industrialized nations need in an entire year! The problem is that we don't know how to make such great energy work for us.

　　5.Predicting the path of a hurricane is one of the most difficult tasks for forecasters. It moves at a typical speed of 15 mph. But not always. Some storms may race at twice this speed, then suddenly stop and remain in the same location for several days. It can be maddening ( 發(fā)瘋的` )if you live in a coastal area that may be hit.

　　6.The biggest advance in early detection is continuous watch from weather satellites. With these,we can see the storms form and track them fully, from birth to death. While they can still kill people and destroy property, hurricanes will never surprise any nation again.

　　23. Paragraph 1__________

　　24. Paragraph 2__________

　　25. Paragraph 4__________

　　26. Paragraph 5 _ __________

　　A. Short history of naming hurricanes

　　B. Harnessing the hurricane energy

　　C. Difficulty in forecasting the course of a hurricane

　　D. Huge energy stored in a hurricane

　　E. Forecasting a hurricane through satellite watching

　　F. Different names for the same things

　　27. Both male and female names are used for hurricanes in consideration of __________

　　28. Using weather satellites can ensure of __________ hurricanes.

　　29. Energy specialists may be interested in__________ of hurricanes.

　　30. Scientists cannot accurately predict the course of a hurricane due to __________

　　A. the timely (及時(shí)的 ) discovery

　　B. convenience

　　C. sex equality

　　D. its connection with humans

　　E. the huge power

　　F. its uncertainty

　　答案與解析：

　　23.A。該段中names反復(fù)出現(xiàn)，所以names是文章中的核心詞，借助段首句和段末句的句意判斷答案為A。

　　24.F。除了選項(xiàng)F以外，其余選項(xiàng)中的核心詞(如：harness，forecast，store，satellite等)在該段中均沒有出現(xiàn)。

　　25.D。該段落中“能量”一詞頻繁出現(xiàn)，所以該詞是該段的中心詞，可以判斷D和B為可能答案。再借助段首句和段末句的旬意判斷答案為D。

　　26.C。段首句中就出現(xiàn)了“困難，預(yù)測(cè)”，所以C和E可能是答案，而E中的“衛(wèi)星”在該段落中根本沒有出現(xiàn)，所以判斷C是答案。

　　27.C。題干：颶風(fēng)用男性和女性的名字是考慮到 __________。利用題干關(guān)鍵詞可以定位到第一段的最后一句“In 1979，realizingthe sexist(性別歧視的)nature ofsuchnames，thelistswere expanded to include both men and women.”故判斷答案為C(兩性平等)。

　　28.A。題干：使用天氣衛(wèi)星能保證颶風(fēng)的 __________。利用題干關(guān)鍵詞可以定位到第6段第2句“With these，we can see the storms form and track them fully,from birth to death.”，所以答案為A。

　　29.E。題干：能源專家可能對(duì)颶風(fēng)的 __________感興趣。利用題干關(guān)鍵詞可以定位到第四段中的“In just one day alone.the storm can produce more energy than many industrialized nations need in an entire year!The problem is that we don’t know how to make sure such great energy work for US.”，可知答案為E。

　　30.F。題干：科學(xué)家們不能準(zhǔn)確預(yù)測(cè)颶風(fēng)的行程是因?yàn)?__________。利用題干關(guān)鍵詞可以定位到第5段中的“Predicting the path of a hurricane is one of the most difficult tasks for forecasters.It moves at a typical speed of l5 mph.But not always.”，可知答案為F。

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