Though ______, many laws of nature exist.

　 A. not having been discovered 　 B. having not been discovered

　 C. not having discovered 　     D. having not discovered

　　On May 21, 2000, some American scientists were working at the computers to look for information they needed . Suddenly they saw a lot of very bright red spots crossing the computers’ screens. At the same time the computers were working much slower. To find out what was happening they stopped their work to check some parts of the computers. To their horror, they found out that most of their stored information was got rid of by computer viruses (病毒). Obviously all these computers had been infected by computer viruses.

It is said that the computer viruses were made by two or three Philippine young men fond of playing tricks. They all had excellent education. They created the viruses just to show their intelligence. The kind of computer virus is named I Love You Virus. This virus can hide in computers for long. When the time comes they will attack the computers by lowering the important functions, damaging their normal programs or even getting rid of a great deal of information which operators of the computers often use or store, what’s worse, it still can reproduce itself in great quantities within a short time.

We come to know that “I Love You” Virus often attacks computers on Mondays and that it is spreading to many computers in the world. Among the countries that suffered computer viruses last year are Britain, Australia, Switzerland and the USA. Those who made the computer muses have been found out slowly and carefully. But till now, how to get rid of the terrible viruses remains a problem.

1.When the viruses attack the computers, the computers will work _______.

　　A. normally　B. abnormally　C. faster　D. well

2 .Two or three Philippine young men created the computer viruses to _______.

　　A. damage the computers

　　B. test their ability quickly

　　C. tell the world that they were intelligent

　　D. play a trick in operators of the computers

3. According to the passage, computer viruses seem to________.

　　A. have been in nature for years

　　B. exist in any computers

　　C. be able to be got rid of in the near future

　　D. be difficult to get rid of at present

4.The most serious damage caused by the viruses is that_______.

　　A. the computer’s funtions are lowered

　　B. the normal programs are damaged

　　C. all the information stored in the computers is gone

　　D. the computers infected by the viruses can no longer be used

5. According to the passage, which of the following is true?

　　A. Scientists are trying to find a way to get rid of the viruses.

　　B. The viruses will come to the new computer after staying in the old one for some time.

　　C. Last year four countries found their computers were infected by 　　viruses.

　　D. The “I Love You” Virus is a great harm to human health.

War, money and power are a few things that countries and people are concerned about. __1__ I agree that those things are important, I believe that everyone should start to __2__ more on a growing problem—global warming.

Global warming will not only __3__ our country and our generation, but also the entire __4__ and future generations. It is __5__ because the weather has been a lot warmer over the past few years, which __6__ the melting(融化) of the ice in the Antarctic. This will soon cause water levels to __7__ and flood parts of the world.

Many people ignore this problem because they feel __8__ they can't do anything about it and have more __9__ things to worry about. If we all __10__ so, then our ozone layer(臭氧层) will be __11__ and the planet will no longer be able to make life continue to exist. We should do our best to limit the use of our planet's __12__ resources(资源) and keep our air clean. __13__， future generations will suffer from our __14__.

Some might feel that they can't stop global warming from __15__. But if every single person does his or her part in keeping the air clean, then it will become a __16__ effort. Sure, there are some things that cause pollution and that we won't be able to __17__ change. This may include cars burning oil, but we can __18__ adjust some of these things. People can start carpooling, taking the bus, riding their bikes, or __19__ just walking.

If everyone takes __20__ now, I believe we can start seeing remarkable results within a few years.

1．A.When　　　　B．As　　　　　　 C．How　　　　　　 D．Though

2．A.depend　　 B．focus　　　　　 C．hang　　　　　 D．remark

3．A.annoy　　　 B．interrupt　　　 C．affect　　　　 D．confuse

4．A.world　　　 B．continent　　　 C．industry　　　 D．climate

5．A.failing　　 B．completing　　 C．changing　　　 D．occurring

6．A.lies in　　 B．results in　　 C．suffers from　 D．escapes from

7．A.reduce　　 B．rise　　　　　 C．drop　　　　　 D．move

8．A.as if　　　 B．in case　　　 C．even though　　 D．if only

9．A.popular　　 B．suitable　　　 C．important　　　 D．difficult

10．A.do　　　　 B．keep　　　　　 C．like　　　　　　 D．find

11．A.protected B．strengthened　 C．destroyed　　　 D．surrounded

12．A.unlimited B．natural　　　 C．recycled 　　　　D．industrial

13．A.Therefore B．Otherwise　　 C．However　　　　 D．Instead

14．A.illnesses B．failures　　　 C．decisions　　　 D．mistakes

15．A.continuing B．arriving　　 C．improving　　　　 D．disappearing

16．A.physical　 B．mental　　　 C．national 　　　　 D．worldwide

17．A.slightly　 B．fully　　　　 C．hardly　　　　　 D．slowly

18．A.at least　 B．at most　　 C．at first　　　　　 D．at last

19．A.yet　　　　 B．even　　　 C．still　　　　　 D．thus

20．A.time　　　　 B．turns　　 C．action　　　　 D．arms

 

There was a small boy living on a farm which seemed like so far away from everywhere. He needed to get up before sunrise every morning to start his everyday jobs and go out again later in the evening to do the same 　36　.

During sunrise he would 　37　a break and climb up the fence so that he could see the house with golden windows 　38　 the distance. He thought 　39　 great it would be to live there and his 　40　 would wander to imagine the modern equipment and electric devices that might 　41　 in the house. “If they could 　42　 the golden windows, they 　43　 have other nice things.” He then 　44　 himself, “Some day I will go there and see that wonderful place.”

Then one morning his father told him to stay at home and he would do the everyday jobs. 　45　 that this was his chance, he packed a sandwich and　46　 the field towards the house with golden windows.

He walked and walked. As the afternoon went on, he began to realize how he misjudged the long 　47　 and something else was very wrong. As he 　48　 the house, he saw no golden windows but instead a place in bad 　49　 of a painting surrounded by a broken-down fence. He went to the tattered (破烂的) door and 　50　. A small boy very 　51　 his age opened the door.

He asked him if he had seen the house with 　52　 windows. The boy said “Sure, I know” and 　53　 him to sit on the porch (门廊). As he sat there, he looked back from 　54　 he just came; the sunset 　55　 the windows of his house to gold there.

1.                A．homework      B．classes          C．cleaning D．ones

 

2.                A．take           B．give            C．do   D．start

 

3.                A．from           B．in             C．over     D．across

 

4.                A．much          B．even           C．very D．how

 

5.                A．feet           B．eyes           C．mind     D．heart

 

6.                A．sit             B．exist           C．stand     D．disappear

 

7.                A．change         B．share           C．provide   D．afford

 

8.                A．can’t         B．must           C．have to   D．need to

 

9.                A．promised       B．supported       C．pitied    D．encouraged

 

10.               A．Hearing        B．Imaging         C．Realizing   D．Ignoring

 

11.               A．crossed        B．found          C．planted   D．chose

 

12.               A．situation        B．thought         C．distance   D．opinion

 

13.               A．approached     B．considered      C．enjoyed   D．noticed

 

14.               A．case           B．memory        C．part D．need

 

15.               A．listened        B．knocked        C．waited    D．leaned

 

16.               A．satisfied with    B．familiar with     C．fond of    D．close to

 

17.               A．worn          B．golden         C．favorite   D．beautiful

 

18.               A．invited         B．persuaded      C．helped    D．managed

 

19.               A．when          B．why           C．where D．what

 

20.               A．made          B．drove          C．turned    D．put

 

 

Today, roller skating is easy and fun. But a long time ago, it wasn't easy at all. Before 1750, the idea of skating didn't exist. That changed because of a man named Joseph Merlin. Merlin's work was making musical instruments. In his spare time he liked to play the violin. Joseph Merlin was a man of ideas and dreams. People called him a dreamer.

　One day Merlin received an invitation to attend a fancy dress ball. He was very pleased and a little excited. As the day of the party came near, Merlin began to think how to make a grand entrance at the party. He had an idea. He thought he would get a lot of attention if he could skate into the room.

　　Merlin tried different ways to make himself roll. Finally, he decided to put two wheels under each shoe. These were the first roller skates. Merlin was very proud of his invention and dreamed of arriving at the party on wheels while playing the violin.

　On the night of the party Merlin rolled into the room playing his violin. Everyone was astonished to see him. There was just one problem. Merlin had no way to stop his roller skates. He rolled on and on. Suddenly, he ran into a huge mirror that was hanging on the wall. Down fell the mirror, breaking to pieces. Nobody forgot Merlin's grand entrance for a long time!

The text is mainly about_________.

　  A. a strange man

　  B. an unusual party

　  C. how roller skating began

　  D. how people enjoyed themselves in the 18th century

　People thought Merlin was a dreamer because he________.

　  A. often gave others surprises　　　　  B. was a gifted musician

　  C. invented the roller skates　　 　　  D. was full of imagination

　 Merlin put wheels under his shoes in order to_______.

　  A. impress the party guests　　　　　  B. arrive at the party sooner

　  C. test his invention　　 　　　　　　  D. show his skill in walking on wheels

　 What is the main point the writer is trying to make in the last paragraph?

　  A. The roller skates needed further improvement.

　  B. The party guests took Merlin for a fool.

　  C. Merlin succeeded beyond expectation.

　  D. Merlin got himself into trouble.