Passage 2

Want to know more？？？？？and how you can help prevent it？Doctor Herman Friedman，who is considered a leading expert on the subject，will speake at Grayson Hall next Friday. Friedman studied environmental science at three well-known universities around the world before becoming a professior in the subject. He has also traveled around the world observing environmental concerns. The gradual bleaching（变白）of the Great Barrier Reef，which came into the public eye in 2002，is his latest interest. Signed copies of his colorful book，which was published just last month，will be on sale after his talk.

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56. The ？？？Lighway_________.

A. is th？？？traffic accidents

B. is crowded with car drivers

C. offers just a few on-line services

D. appeals to a large number of users

57. How does Mr. Cool manage to travel the Information Highway so fast？

A. By someing fewer files.

B. By ？？ing the systern.12345678 www.dxs56.com

C. By buying a better computer.

D. By using a broad-band connection.

58. What can be learned from Passage 2？

A. There will be a book show at Grayson Hall.

B. Friedman is now studying the Great Barrier Reef.

C. There will be a talk on global warming this week.

D. Friedman is a leading expert on computer science.

59. Passage 2 is most probably________.

A. a poster about a lecture          B. an ad for a new book

C.？？？？？octor in a university   D.an introduction to????

B

  Think about fhe different ways that people use the wind.You can use it to fly a kite or to sail a boat.Wind is one lf our cleanest and richest power sources(来源),as well as one of  the oldest.Evidence shows that windmills(风车)began to be used in ancient Iran back in the seventh century BC.They were first introduced to Europe during the 1100s,wb?u armies return of from the Middle East with knowledge of using wind power.

   For ma?? centuries, people used windmills to grind(磨碎)wheat into our or pump ?er from leep underground .When electricity was discovered in the late 1800s,people ?vng in remote areas began to use them to produce electricity.This allowed them to have electrie lights and radio.However,by the1910s when electricity was available to people in almost all areas of the United States,windmills were rarely used.

  During the 1970s,people started becoming concemed about the pollution that is created when coal and gas are burned to prouduce electcicity .People also realized that the supply lt coal and gas would not last forever .Then,wind was rediscovered ,though it means higher co?ts.Today ,there is a global movement ??upply more and more of our electricity through the use of wind.

60.????????????know that windmills

A.were inve????? by Eu???????   a??????

B.have a history of more than 2,800 years

C.used to supply power to ??dio in rem???  are??

D.have ramly been used since dlictricity   was idscovcved

61.What  ???? a  new use for wind power in the late 19th century?

A.?????     boat.                 B.??????????? ??cing dlectricity

C.????nding wheat into flour.         D.??mping wate from und????wind

62.One of the reasons wind was rediscovered in the 1970s is that_________.

A.wind power is cleaner

B.it is one of the oldest power sources

C.it was cheaper to create energy from wind

D.fhe supply of coal and gas failed to meet needs

63.What would the author probably discuss in the ??rangraph that follows?

A.The advantages of wind power

B.The d??i???f wind power pla?

C.The worldwide movement to sa???energy

D.The global trend towards producing power from wind

They are the sort of friends who are so close they truset each other with their lices .if one falls the other is othere is there to ctch him.12345678 www.dxs56.com

They are welllman. Whose legs were perrnantly injured nine years are is   dent.and corbett climber.together. clmbor  the farnous 2,000-footnational park.there one of rost diffieult routes(路线)

During the climb,corbell took the lead hit in th emetal spikes (尖状物)that guided the mpes and climbed up.then, after.after wellman pulled hinself up the rupe corbell went down to reroose the spikes and clmbed up again this process was repeated tine and again inch by ipch for 13 days

Wellcom’s job was not easy either he got ginself ip the tope thirough uppor body   .in all wellman figured that 5.000pull-ups  up  the repe on the clich

  The twa men first mel they necer talked about alimbing “he knew that war how I got in jured”well said  one day wellman decjbed that be wanted to climb again and they started training

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