Jeff Keith has only one leg. When he was only twelve years old, Jeff had cancer. Doctors had to 　16　 off most of his right leg.

　17　 Jeff puts on an artificial leg(假肢). The leg is plastic. With the plastic leg, Jeff can ski, ride a bicycle, swim, and play soccer. He can also run.

Jeff made a plan with his friends who had plastic legs, 　18　. They decided to  　19　 across America. They all wore special T-shirts. 　20　 it was “Run, Jeff, Run, Jeff Keith’s Run Across America”.

Jeff Keith ran across the United States from the east to the west 　21　 he was twenty-two years old. He started running in Boston(波士顿). Seven 　22　 later, he stopped 　23　 in Los Angeles（洛杉矶）. He ran 3,200 miles (1 mile = 1.6093km). Jeff wore out thirty-six pairs 　24　 running shoes and five plastic legs. Jeff 　25　 in cities on the way to Los Angeles. In every city people gave Jeff money. The money was not for Jeff, 　26　 for the American Cancer Society. The Society used the money to help people know 　27　 about cancer.

On the way to Los Angeles, Jeff talked to people about 　28　. Jeff is disabled, but he can do many things. He finished college and is studying to be a lawyer(律师). Jeff says, “People can do 　29　 they want to do. I want people to know that. I ran 　30 for disabled people. I ran for everybody.”

1.A. take       　B. cut            C. put               D. set

2. A. Every day 　B. One day      C. Some day       D. A day

3. A. also      　B. too            C. either           D. neither

4.A. walk       　B. fly            C. swim         D. run

5. A. On              B. In         C. With          D. Above

6.A. while      　B. because        C. when          D. if

7. A. months    　   B. days        C. hours            D. minutes

8.A. running      B. to run     C. walking      D. to walk

9.A. at     　B. for            C. in               D. of

10.A. reached   　B. studied        C. stopped      D. started

11. A. and      　B. but        C. or           D. so

12.A. more　　　 B. less        C. fewer            D. little

13.A. cancer    　 B. walk      C. society      D. America

14.A. any       　 B. thing     C. nothing  D. anything

15. A. not only    B. not       C. only         D. just

 

　The computer plays an important part in our everyday life. It is one of the great __1__ in the world in the __2__ century. It works for us not only at home, in the offices, in big shops, __3__ at schools. Today it is used __4__ many ways. It really __5__ the world large wealth (财富) and happiness.
　　The first computer in the world was __6__ Enid. It was built in America in 1946. It was __7__ and heavy. __8__ it was born, it has been developing very fast. Until now it has gone __9__ four periods（时期，阶段）and changed a lot. There’re many kinds of computers. Computers are getting smaller and smaller and computing faster and faster. It becomes more and more __10__.
　　The computer can do most of the things __11__ the people. It can help us to __12__ about the real world more quickly, to learn __13__ we want to learn and to think __14__ ourselves. __15__ a student in the twenty-first century, you must work hard at it.

　　1. A. inventions     B. discoveries C. robots               D. inventors
　　2. A. twenty-first   B. twenties   C. twelfth      D. twentieth
　　3. A. also             B. but also     C. too            D. either
　　4. A. in              B. to             C. by             D. over
　　5. A. takes            B. helps         C. gets           D. brings
　　6. A. found           B. invented     C. called       D. bought
　　7. A. easy             B. small         C. large         D. light
　　8. A. For              B. Until         C. When      D. Since
　　9. A. by                B. across      C. through     D. against
　　10.A. serious         B. harmful.    C. dangerous D. helpful
　　11.A. for             B. to             C. at              D. with
　　12.A. set              B. tell         C. know               D. talk
　　13.A. what            B. that           C. which        D. who
　　14.A. of               B. about        C. out            D. for
　　15.A. For             B. Be            C. As             D. To

  Strange things happen when you travel, because the earth is divided into twenty-four zones (分区). The time difference between two zones is one hour. You can have days with more than twenty-four hours and days with fewer than twenty-four hours. You can have weeks with seven days and weeks with fewer than seven.

  If you make a five-day trip across the Atlantic Ocean (大西洋), your ship comes into a different time zone every day. As you come into each zone, the time changes one hour. If you travel west, you set your watch back. If you travel east, you set it ahead. Each day of your trip has either twenty-five or twenty-three hours.

  If you make a trip by ship across the Pacific Ocean (太平洋), you across the International Date Line (国际日期变更线). This is the point where a new day begins. When you cross the line, you change one full day. If you travel east, today becomes yesterday; if you travel west, it is tomorrow.

(  ) 1. The time difference between two time zones is ___________.

A. twenty-four hours　　　　     　B. one hour           

C. two hours　　　　　           D. twenty-three hours

(  ) 2. If we cross the Atlantic Ocean, we _____________.

A. change one full day　　　　　　B. set our watch back

C. set our watch ahead　　　　　　D. set our watch back or ahead

(  ) 3. If we travel east across the International Date Line on July 5th, the date becomes July _________________.

A. 3rd　　　B. 4th　　　C. 5th　　　D. 6th

(  ) 4. The Atlantic Ocean ____________.

A. is in one time zone　　　　　　　B. is divided into twenty-four zones

C. is divided into five time zones　　　D. can not be crossed in five days

(  ) 5. Which of the following sentences is true?

A. If we travel around the world, we will get into trouble in telling the time.

B. If we travel west across the Atlantic Ocean, we will have twenty-three hours.

C. If we travel by ship across the Atlantic Ocean, we will cross the International Date Line.

D. If we travel across the Pacific Ocean, today becomes tomorrow.

配对阅读　左栏是五种骑车的习惯，右栏是七条建议。请根据五种习惯为其选出合适的建议。

(　　)11.Kate always wears dark­colored clothes when she rides the bicycle. (　　)12.When Tom rides with a friend, they ride next to each other. (　　)13.When Tracy crosses  a busy crossing, she still rides the bicycle forward. (　　)14.Lisa always rides the bicycle on the paths for the cars and the buses. (　　)15.If Sam wants to turn or stop, he doesn't use a gesture.

A.Ride on bicycle paths if they can be found. B.Always ride on the right­handed side of the road. C.When you ride with a friend, do not ride side by side.Ride one after the other. D.Obey all traffic signs.Stop at all stop signs. E.Walk your bicycle across busy crossings. F.Be sure to use a gesture to show that you want to turn or stop. G.Wear light­colored clothes so that drivers can see you.

  Strange things happen when you travel, because the earth is divided into twenty-four zones (分区). The time difference between two zones is one hour. You can have days with more than twenty-four hours and days with fewer than twenty-four hours. You can have weeks with seven days and weeks with fewer than seven.

  If you make a five-day trip across the Atlantic Ocean (大西洋), your ship comes into a different time zone every day. As you come into each zone, the time changes one hour. If you travel west, you set your watch back. If you travel east, you set it ahead. Each day of your trip has either twenty-five or twenty-three hours.

  If you make a trip by ship across the Pacific Ocean (太平洋), you across the International Date Line (国际日期变更线). This is the point where a new day begins. When you cross the line, you change one full day. If you travel east, today becomes yesterday; if you travel west, it is tomorrow.

(  ) 1. The time difference between two time zones is ___________.

A. twenty-four hours　　　　     　B. one hour           

C. two hours　　　　　           D. twenty-three hours

(  ) 2. If we cross the Atlantic Ocean, we _____________.

A. change one full day　　　　　　B. set our watch back

C. set our watch ahead　　　　　　D. set our watch back or ahead

(  ) 3. If we travel east across the International Date Line on July 5th, the date becomes July _________________.

A. 3rd　　　B. 4th　　　C. 5th　　　D. 6th

(  ) 4. The Atlantic Ocean ____________.

A. is in one time zone　　　　　　　B. is divided into twenty-four zones

C. is divided into five time zones　　　D. can not be crossed in five days

(  ) 5. Which of the following sentences is true?

A. If we travel around the world, we will get into trouble in telling the time.

B. If we travel west across the Atlantic Ocean, we will have twenty-three hours.

C. If we travel by ship across the Atlantic Ocean, we will cross the International Date Line.

D. If we travel across the Pacific Ocean, today becomes tomorrow.