题目列表(包括答案和解析)
Unless we spend money spotting and preventing asteroids(小行星) now, one might crash into Early and destroy life as we know it, say some scientists.
Asteroids are bigger versions of the meteoroids(流星) that race across the night sky. Most orbit the sun far from Earth and don’t threaten us. But there are also thousands of asteroids whose orbits put them on a collision course with Earth.
Buy $50 million worth of new telescopes right now. Then spend $10 million a year for the next 25 years to locate most of the space rocks. By the time we spot a fatal one, the scientists say, we’ll have a way to change its course.
Some scientists favor pushing asteroids off course with nuclear weapons. But the cost wouldn’t be cheap. Is is worth it? Two things experts consider when judging any risk are: (1)How likely the event is; and (2) How bad the consequences if the event occurs. Experts think an asteroid big enough to destroy lots of life might strike Earth once every 500 000 years. Sounds pretty rare-but if one did fall, it would be the end of the world. “If we don’t take care of these asteroids, they’ll take care of us,”says one scientist. “It’s that simple.”
The cure, though, might be worse than the disease. Do we really want fleets of nuclear weapons sitting around on Earth? “The world has less to fear from doomsday(世界末日) rocks than from a great nuclear fleet set against it,” said a New York Times article.
9.What does the passage say about asteroids and meteoroids?
A.They are heavenly bodies different in composition.
B.They are heavenly bodies similar in nature.
C.There are more asteroids than meteoroids.
D.Asteroids are more mysterious than meteoroids.
10.What do scientists say about the collision of an asteroid with Earth?
A.It is very unlikely but the danger exists.
B.Such a collision might occur once every 25 years.
C.Coilisions of smaller asteroids with Earth occur more often than expected.
D.lt’s still too early to say whether such a collision might occur.
11.What do people think of the suggestion of using nuclear weapons to alter the course of asteroids?
A.It sounds practical but it may not solve the problem.
B.It may create more problems than it might slove.
C.It is a waste of money because a collision of asteroids with Earth is very unlikely.
D.Further research should be done before it is proved applicable.
12.We can conclude from the passage that .
A.while pushing asteroids off course nuclear weapons would destroy the world
B.asteroids racing across the night sky are likely to hit Earth in the near future
C.the worry about asteroids can be left to future generations since it is unlike to happen in our lifetime.
D.workable solutions still have to be found to prevent a collision of asteroids with Earth
D
In the 1960s, people asked about your astrological sign(星相). In the 1990s, they wanted to know your website (网址). These days, having a web address is almost as important as a street address. Your website is an electronic meeting place for your family, friends and potentially, millions of people around the world. Best of all, you may not have to spend a cent. The Web is filled with all kinds of free services and all it takes is some time and creativity.
Think of your home page as the starting point of your website. Like the table of contents of a book or a magazine, the home page is the front door. Your site can have one or more pages, depending on how you design it.
While web pages vary greatly in their design and content, most use a traditional magazine layout (版面设计). At the top of the page is a banner(大标题) GRAPHIC. Next comes a greeting and a short description of the site. Pictures, texts, and links to other websites follow.
Before you start building your site, do some planning. Think about whom the site is for and what you want to say. Next, gather up the material that you want to put on the site. Draw a rough layout on a sheet of paper.
While there are no rules you have to follow, there are a few things to keep in mind:
Start simply If you are too ambitious (雄心勃勃的) at the beginning, you may never get the site off the ground. You can always add to your site.
Less is better Most people don't like to read a lot of text online. Break it into small pieces.
Smaller is better Most people connect to the Internet with a modem (调制解调器). Since it can take a long time to download large image files, keep the file sizes small.
Have the rights Don't put any material on your site unless you are sure you can do it legally (合法地). Learn the Net's Copyright Article for more about this.
Now it's time to roll up your sleeves and start building. Learning the Net Communities provides tools to help you build your site.
68. The main purpose of the passage is to tell you _____.
A. what a website is like
B. how to build your own website
C. how to meet people online
D. what a website is made up of
69. According to the writer, your website is a place _____.
A. where you can meet people all around the world
B. where you can buy what you want
C. where you can get free services
D. where you can meet people on the Internet
70. The purpose of the home page of your website is _____.
A. to give a list of all the contents of your website
B. to make it look like a front door
C. to direct people to more of your pages
D. to design the cover of a book or magazine
71. The writer thinks that if you are too ambitious at the beginning, _____.
A. your website may leave no space for adding new things
B. you may never have your wetside working
C. you may have no idea how to build your website
D. you may tire yourself out
Unless we spend money to spot and prevent asteroids now，one might crash into Earth and destroy life as we know it，say some scientists.
Asteroids are bigger versions of the meteoroids(流星)that race across the night sky. Most orbit the sun far from Earth and don't threaten us. But there are also thousands whose orbits put them on a collision course with Earth.
Buy $ 50 million worth of new telescopes right now. Then spend $ 10 million a year for the next 25 years to locate most of the space rocks. By the time we spot a fatal one，the scientists say，we'll have a way 
to change its course.
Some scientists favor pushing asteroids off course with nuclear weapo
ns. But the cost wouldn't be cheap. I
s it worth it? Two things experts consider when judging any risk are: 1) How likely the event is; and 2) How bad the consequences if the event occurs. Experts think an asteroid big enough to destroy lots of life might strike Earth once every 500,000 years. Sounds pretty rare-but if one did fall，it would be the end of the world. “If we don't take care of these big asteroids，they'll take care of us,” says one scientist. “It's that simple.”
The cure，though，might be worse than the disease. Do we really want fleets of nuclear weapons sitting around on Earth? “The world has less to fear from doomsday(毁灭性的) rocks than from a great nuclear fleet set against them，” said a New York Times article.
【小题1】What does the passage say about asteroids and meteoroids?
| A．They are heavenly bodies different in composition. |
| B．They are heavenly bodies similar in nature. |
C．There are more asteroids th an meteoroids. |
| D．Asteroids are more mysterious than meteoroids. |
| A．It is very unlikely but the danger exists. |
| B．Such a collision might occur once every 25 years. |
| C．Collisions of smaller asteroids with Earth occur more often than expected. |
| D．It's still too early to say whether such a collision might occur. |
| A．It sounds practical but it may not solve the problem. |
| B．It may create more problems than it might solve. |
| C．It is a waste of money because a collision of asteroids with Earth is very unlikely. |
| D．Further research should be done before it is proved applicable. |
| A．while pushing asteroids off course nuclear weapons would destroy the world |
| B．asteroids racing across the night sky are likely to hit Earth in the near future |
| C．the worry about asteroids can be left to future generations since it is unlikely to happen in our lifetime |
| D．workable solutions still have to be found to prevent a collision of asteroids with Earth. |
| A．Optimistic. | B．Critical. | C．Objective. | D．Subjective. |
A long time ago, there was an emperor. One day he told his horseman that if he could ride on his horse and 1 as much land area as he liked, he would give him the area of land he had covered. 2 enough, the horseman quickly jumped onto his horse and 3 as fast as possible to cover as much land area as he could. He 4 riding and riding, whipping the horse to go as fast as possible. Even when he was 5 and tired, he did not stop 6 he wanted to cover as much area as possible. When he at last covered a large amount of land, he was exhausted and was 7 . Then he asked himself, “Why did I 8 myself so hard to cover so much land area? Now I am dying and I only 9 a very small area to 10 myself.”
The above story is 11 to the journey of our 12 . We push ourselves very hard every day to make more 13 , to gain power or recognition. We neglect our 14 , time with our family and to appreciate the surrounding 15 and the things we love to do. One day 16 we look back, we will 17 that we don’t really need that much, 18 then we cannot turn back time for what we have 19 .
Life is not about making money. Life is definitely not about work! Work is only 20 to keep us living so as to enjoy the beauty and pleasures of life.
1. A．use B．cover C．work D．get
2. A．Good B．Strange C．Sure D．Interesting
3. A．rode B．ran C．expanded D．struggled
4. A．kept on B．asked for C．gave up D．succeeded in
5. A．sad B．excited C．confused D．hungry
6. A．but B．so C．because D．if
7. A．sleeping B．arguing C．dying D．smiling
8. A．push B．make C．destroy D．prove
9. A．need B．have C．find D．show
10. A．live B．bury C．support D．sleep
11. A．useful B．certain C．similar D．special
12. A．future B．past C．history D．life
13. A．friends B．progress C．discoveries D．money
14. A．health B．career C．honor D．freedom
15. A．things B．condition C．people D．beauty
16. A．before B．when C．unless D．since
17. A．realize B．regret C．apologize D．explain
18. A．or B．until C．however D．but
19. A．saved B．missed C．reduced D．won
20. A．possible B．probable C．necessary D．suitable
B
In the 60s, people asked about your astrological (about star) sign. In the 90s, they want to know your website. These days, having a web address is almost as important as a street address. Your website is an electronic meeting place for your family, friends and potentially, millions of people around the world. Best of all, you may not have to spend a cent. The Web is filled with all kinds of free services and all it takes is some time and creativity.
Think of your home page as the starting point of your website. Like the table of contents of a book or magazine, the home page is the front door. Your site can have one or more pages, depending on how you design it.
While web pages vary greatly in their design and content, most use a traditional magazine layout. At the top of the page is a banner(横幅) GRAPHIC. Next comes a greeting and a short description of the site. Pictures, text, and links to other websites follow.
Before you start building your site, do some planning. Think about whom the site is for and what you want to say. Next, gather up the material that you want to put on the site. Draw a rough layout on a sheet of paper.
While there are no rules you have to follow, there are a few things to keep in mind: Start simply. If you are too ambitious at the beginning, you may never get the site off the ground. You can always add to your site.
Less is better. Most people don’t like to read a lot of text online. Break it into small pieces.
Smaller is better. Most people connect to the Internet with a modem（调制解调器）. Since it can take a long time to download large image files, keep the file sizes small.
Have the rights. Don’t put any material on your site unless you are sure you can do it legally. Learn the Net’s Copyright Article for more about this.
Now it’s time to roll up your sleeves and start building. Learn the Net Communities provides tools to help you build your site.
59. The main purpose of the author in writing the passage is to tell you——
A. what a website is like B. how to build your own website
C. how to meet people on line D. what a website consists of
60. According to the author, your website is a place——.
A. where you can meet people all around the world
B. to show your street address on line
C. where you can get free services
D. where you can meet people on the Internet
61. The home page of your website should——.
A. give a list of all the contents of your website
B. be so designed that it looks like a front door
C. be so designed that it can direct people to more of your pages
D. be more or less similar to the cover of a book or magazine
62. The author thinks that if you are too ambitious at the beginning,——.
A. your website may leave no space for adding new things
B. you may never have your plan put into practice
C. you may have no idea how to build your website
D. you may tire yourself out
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