概括句意：
Hurricanes（龙卷风)
1 Did you know that before 1950,hurricanes had no names? They were simply given numbers.The first names weresimply Alpha,Bravo,Charlie,etc.but in 1953,females names were givenbecause of the unpredictability（不可预知)factor of the storms.In 1979,realizing thesexist（性别歧视的)nature of such names,the listswere expanded to include both men and women.
2 Hurricanes and typhoons（台风)are the same things.If they formin the Atlantic,we call these strong storms hurricanes,from the West Indianword hurricane,meaning "big wind." And if they are Pacific storms,they are called typhoons from the Chinese taifun,meaning “great wind." Tobe classified as a hurricane,the storm must have maximum winds of at least 75mph.These storms are big,many hundreds of miles in diameter.
3 Hurricanes get their power fromwater vapor as it gives out its stored-up energy.All water vapor gives outheat as it condenses（凝结)from a gaseous state to a liquid state over fixed points on the equator（赤道).To make a hurricane,you musthave extremely wet,warm air,the kind of air that can only be found intropical region.
4 Scientists have determined thatthe heat given out in the process of water condensation can be as high as 95billion kilowatts per hour.In just one day alone,the storm can produce moreenergy than many industrialized nations need in an entire year! The problem isthat we don't know how to make sure such great energy work for us.
5 Predicting the path of ahurricane is one of the most difficult tasks for forecasters.It moves at a typicalspeed of 15 mph.But not always.Some storms may race at twice this speed,thensuddenly stop and remain in the same location for several days.It can bemaddening（发疯的)if you live in a coastal area that may behit.
6 The biggest advance in earlydetection is continuous watch from weather satellites.With these,we can seethe storms form and track them fully,from birth to death.While they can stillkill people and destroy property,hurricanes will never surprise any nationagain.
1.Paragraph 1_________
2.Paragraph 2_________
3.Paragraph 4_________
4.Paragraph 5_________
A.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
5.Both male and female names areused for hurricanes in consideration of _________.
6.Using weather satellites canensure _________ of hurricanes.
7.Scientists cannot accuratelypredict the course of a hurricane due to _________.
8.Energy specialists may beinterested in _________ of hurricanes.
A.the timely（及时的)discovery
B.convenience
C.sex equality
D.its connection with humans
E.the huge power
F.its uncertainty
1.Paragraph 1_________
A.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
正确答案：A
答案解析：该段中names反复出现，所以names是文章中的核心词，借助段首句和段未句的句意判断答案为A。
2.Paragraph 2_________
A.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
正确答案：F
答案解析：除了选项F以外，其余选项中的核心词（如：harness,forecast,store,satellite)在文章中均没有出现。
3.Paragraph 4_________
A.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
正确答案：D
答案解析：该段落中“能量”一词频繁出现，所以该词是该段的中心词，借助此可以判断答案为D和B为可能答案。再借助段首句和段未句的句意判断答案为D。
4.Paragraph 5_________
A.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
正确答案：C
答案解析：段首句中就出现了“困难，预测”，所以被选项中C和E可能是答案选项，而E中的“卫星”在该段落中根本没有出现，所以判断C是答案。
5.Both male and female names are used for hurricanes in consideration of _________.
A.the timely（及时的)discovery
B.convenience
C.sex equality
D.its connection with humans
E.the huge power
F.its uncertainty
正确答案：C
答案解析：依靠原文（利用（male,female)names作为答案线索词)中第一段的最后一句判断答案为C（与性别有关)。
6.Using weather satellites can ensure _________ of hurricanes.
A.the timely（及时的)discovery
B.convenience
C.sex equality
D.its connection with humans
E.the huge power
F.its uncertainty
正确答案：A
答案解析：该题可直接借助搭配句意判断答案。也可借助原文（satellite作为答案线索词：第6段第2句)确认答案。
7.Scientists cannot accurately predict the course of a hurricane due to _________.
A.the timely（及时的)discovery
B.convenience
C.sex equality
D.its connection with humans
E.the huge power
F.its uncertainty
正确答案：F
答案解析：借助原文中的（scientist和predict作为答案线索词)第3句确认答案为F。
8.Energy specialists may be interested in _________ of hurricanes.
A.the timely（及时的)discovery
B.convenience
C.sex equality
D.its connection with humans
E.the huge power
F.its uncertainty
正确答案：E
答案解析：可直接借助搭配句意确认答案范围为E和F。上面一题答案是F，本题只能选E。
