大學(xué)英語(yǔ)六級(jí)閱讀理解100篇:氣候研究

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　　The direct raya of the sun touch the equator and strike northward toward the Tropic of Cancer. In the Southern hemisphere winter has begun, and it is summer north of the equator. The sea and air grow warmer; the polar air of winter begins its gradual retreat.

　　The northward shift of the sun also brings the season of tropical cyclones to the northern hemisphere, a season that is ending for the Pacific and India Oceans south of the equator. Along our coasts and those of Asia. it is time to look seaward. to guard against the season's storms. Over the Pacific, the tropical cyclone season is never quite over. but varies in intensity. Every year. conditions east of the Philippines send a score of violent storms howling toward Asia, but it is worst from June through October. Southwest of Mexico. a few Pacific hurricanes will grow during spring and summer. but most will die at sea or perish over the desert or the lower California coast as squalls.

　　Along our Atlantic and Gulf coasts. the hurricane season is from June to November. In an average year, there are fewer than ten tropical cyclones and six of them will develop into hurricanes. These will kill 50 to 100 persons between Texas and Maine and cause property damage of more than $100 million. If the year is worse than average, we will suffer several hundred deaths,and property damage will run to billions of dollars.

　　Tornadoes, floods, and severe storms are in season elsewhere on the continent. Now, to these destructive forces must be added the hazard of the hurricane. From the National Hurricane Center in Miami. a radar fence reaches westward to Texas and northward to New England. It provides a 200-mile look into offshore disturbances. In Maryland. che giant computers of the National Meteorological Center digest the myriad bits of data-atmospheric pressure, temperature, humidity, surface winds. and winds aloft-received from weather stations and ships monitoring the atmospheric setting each hour, every day. Cloud photographs from spacecraft orbiting the earth are received in Maryland and are studied for che telltale spiral on the warming sea. The crew of United States aircraft over the Gulf of Mexico, Caribbean, and Atlantic watch the sky and wait for the storm that will bear a person's name. The machinery of early warning vibrates with new urgency as the season of great storms begins.

　　1.The cyclone season of the Southern hemisphere__________________.

　　A) is brought by the polar air of winter

　　B) ends when winter comes to the Southern hemisphere

　　C) virtually lasts throughout the year

　　D) begins when the sun rays strike the Tropic of Cancer

　　2.What is true about the storms howling towards Asia?

　　A) They originate over the Pacific.

　　B) They influence Southeast Asia most violently.

　　C) They mainly grow during spring and summer.

　　D) They usually perish off coast.

　　3.When the Pacific hurricanes reach the lower California. most of them will_____________.

　　A) reduce their intensity

　　B) increase their intensity

　　C) cause much property damage

　　D) result in great rain and floods

　　4.What can we leam about the National Hurricane Center in Miami?

　　A) It mainly provides protection against hurricanes to Texas and New England.

　　B) It warns the whole country against tornadoes, severe storms and hurricanes.

　　C) It consists of radars along the coast of the west and the north of U.S.

　　D) It supervises the coastal areas stretching from Texas to New England.

　　5.The passage discusses most clearly about_______________.

　　A) the factors that cause hurricanes

　　B) the most risky areas that suffer hurricanes

　　C) the early warning system against hurricanes

　　D) the remedies for property damage by hurricanes

　　答案：

　　1.南半球的熱帶氣旋季節(jié)_________________。

　　A)是由冬季的極地空氣所帶來(lái)的

　　B)在南半球冬季到來(lái)的時(shí)候就結(jié)束了

　　C)實(shí)際上全年都存在

　　D)在太陽(yáng)光照射到北回歸線的時(shí)候就開(kāi)始了

　　[B]從首段和第2段首句的描述可以知道，南北半球的氣候相反，當(dāng)南半球進(jìn)入冬季、熱帶氣旋季節(jié)結(jié)束的時(shí)候，北半球卻是夏季、熱帶氣旋季節(jié)開(kāi)始的時(shí)候，辨清了這些事實(shí)，就不難判斷選項(xiàng)B為本題答案。

　　2.下列關(guān)于刮向亞洲的風(fēng)暴的說(shuō)法那一點(diǎn)是正確的?

　　A)風(fēng)暴產(chǎn)生干太平洋。

　　B)風(fēng)暴對(duì)于東南亞的影響最巨大。

　　C)風(fēng)暴主要在春夏兩季產(chǎn)生。

　　D)風(fēng)暴通常在海岸邊上消亡。

　　[A]第2段第3-5句說(shuō)的是太平洋沿岸熱帶氣旋的形成和影響，而且，如果稍有地理知識(shí)的話，就知道菲律賓東部也在太平洋上，結(jié)合第3、4句的內(nèi)容就可以推斷選項(xiàng)A為正確的說(shuō)法。選項(xiàng)B沒(méi)有原文依據(jù);選項(xiàng)C和D都是第2段第5句提到的內(nèi)容，是關(guān)于墨西哥西南部的颼風(fēng)的，與亞洲的暴風(fēng)無(wú)關(guān)。

　　4.對(duì)于邁阿密的國(guó)家颼風(fēng)中心，我們了解到什么情況?

　　A)該中心主要為得克薩斯州和新英格蘭地區(qū)遭颶風(fēng)襲擊時(shí)提供保護(hù)。

　　B)該中心對(duì)于龍卷鳳，強(qiáng)烈暴風(fēng)和颶風(fēng)提出全國(guó)警報(bào)。

　　C)該中心在美國(guó)的西部和北部海岸都設(shè)有雷達(dá)。

　　D)該中心管理從得克薩斯到新英格蘭的海岸地區(qū)。

　　[D]從末段第3句可以知道國(guó)家颶風(fēng)中心的監(jiān)測(cè)范圍，第4句指出國(guó)家颶風(fēng)中心主要監(jiān)測(cè)的是海面的情況，結(jié)合這兩句，即可知道選項(xiàng)D正確。選項(xiàng)A所表示的范圍過(guò)小了，而選項(xiàng)B正好相反，范圍過(guò)大;選項(xiàng)C中的the west and the north of U.S.(美國(guó)的西部和北部)與原文的westward to Texas and northward to New England所指的地點(diǎn)是不同的。

　　5.文章最清晰的討論點(diǎn)是____。

　　A)導(dǎo)致颶風(fēng)的因素

　　B)受颼風(fēng)危害風(fēng)險(xiǎn)最大的地區(qū)

　　C)對(duì)于颼風(fēng)的早期預(yù)警機(jī)制

　　D)解決由颶風(fēng)造成的財(cái)產(chǎn)損失的方法

　　[C]末段提到了國(guó)家颶風(fēng)中心和國(guó)家氣象中心，說(shuō)明了美國(guó)為了預(yù)警颶風(fēng)所采取的措施，由此可見(jiàn)，選項(xiàng)C在文中是有清楚說(shuō)明的。