On our from college, he entered the government office. 1 查看更多

 

題目列表(包括答案和解析)

  In 1961, scientist set up gigantic, sensitive instruments to collect radio waves from the far reaches of space, hoping to discover in them some mathematical pattern indicating that the waves were sent out by other intelligent beings. The first attempt failed, but someday the experiment may succeed.

  What reason is there to think that we may actually detect intelligent life in outer space?To begin with, modern theories of the development of stars suggest that almost every star has some sort of family of planets. So any star like our own sun (and there are billions of such stars in the universe) is likely to have a planet situated at such a distance that it would receive about the same amount of radiation as the earth.

  Furthermore, such a planet would probably have the same general composition as our planet; so, allowing a billion years or two or three, there would be a very good chance for life to develop, if current theories of the origin of life are correct.

  But intelligent life?Life that has reached the stage of being able to send radio waves out into space in a deliberate pattern?Our own planet may have been in existence for five billion years and may have had life on it for two billion, but it is only in the last fifty years that intelligent life capable of sending radio waves into space has lived on earth. From this it might seem that even if there were no technical problems involved, the chance of receiving signals from any particular earth-type planet would be extremely small.

  This does not mean that intelligent life at our level does not exist somewhere. There are such an unimaginable number of stars that, even at such miserable possibility, it seems certain that there are millions of intelligent life forms scattered through space. The only trouble is, none may be within easy distance of us. Perhaps none ever will be; perhaps the distances that separate us from our fellow “creatures” of this universe will forever remain too great to be conquered. And yet it is conceivable that someday we may come across one of them or, frighteningly, one of them may come across us. What would they be like, these outside-the-earth creatures?

1.What point is the author making by stating that almost every star has some sort of family of planets?

  A. Sooner or later intelligent beings will be found on one of the stars.

  B. There must be one or two of the planets on which there are no intelligent beings.

  C. There are sufficient planets for there to be one that enjoys the same conditions as the earth does.

  D. One or two billion years later intelligent beings will generate on those planets.

2.What is the main topic of the passage?

  A. Some probable intelligent life forms on other planets.

  B. Various stages undergone by the intelligent life on other planets.

  C. Grounds for probable existence of intelligent life on other planets.

  D. The possibility of intelligent life existing on our planet.

3.Which of the following can be inferred from the passage?

A. An encounter is probable between people from the earth and intelligent beings from another planet.

B. Though the first attempt failed, scientists did discover the radio waves sent out by other intelligent beings.

C. Other intelligent beings were able to send our radio waves into space well before the last fifty years.

D. It is certain that there are millions of intelligent beings scattered in space but only too far away.

4.According to the author, what is the difference between “we may come across one of them” and “one of them may come across us”?

A. The earth would be dangerously disadvantaged if it is sought after by possibly much more developed creatures.

B. It would prove that there are too many outside-the-earth creatures if “one of them comes across us”.

C. The history of the development of the earth would be proved to be shorter than that of “them” if “they” come across us.

D. it would prove that the distance in between is not so great as we think if “we come across one of them” someday.

 

查看答案和解析>>

閱讀下列應(yīng)用文及相關(guān)情息,井按照要求匹配信息。

首先請(qǐng)閱讀下列課程的信息:

A. City Water Skiing Centre —— We are in the heart of the city and give you an easy chance to enjoy the fun and excitement of water skiing. We offer half-hour lessons every hour between 9 am and 4 pm. A fun way to get a lot of exercise quickly and then stay fit.

B. Horse Riding School ——Our experienced teachers provide one-on-one instruction that makes leaning to ride a horse safe and easy. We are located on a large farm where you will be able to get to enjoy lots of fresh air and the beauty of nature. Open 7 days a week between 8 am and 6 pm.

C. Ballroom Dancing Society ——The dancing society is organizing a special course for new members. No experience is necessary and if you don't have your own partner we will arrange one for you. Have fun learning to dance and making new friends in class and at our many social events. Classes every Monday and Thursday from 7 pm to 9 pm.

D. Hiking Club —— The club is looking for new members to join us on our regular hikes. Each weekend we go to local mountain and forest locations for long walks providing the chance for plenty of exercise and fresh air. Different members take part each week so you will have the chance to make new friends. The hikes range in difficulty from easy to very hard and we expect our member to be fit before they join.

E. Ron's Boxing Gym ——We don't just teach you how to box; we teach you how to keep fit for the rest of your life. Our training involves many different activities such as running , skipping and lifting weight, as well as ——of course —— actual boxing . Once a month we also organize practice fights for members of the same sex and weight. Open 2 pm to 10 pm.

F. Water Polo Club ——If you can swim and like ball sports then you'1l love water polo. It is like playing football in the water, a fun and low-impact way to stay healthy. As a water-based sport it is also the ideal way to recover from injury. Open weekdays 9 am to 11 am and 4 pm to 8 pm.

請(qǐng)閱讀下列個(gè)人信息,然后匹配人物與擬選的課程:

1. Harold is a busy bank manager working in the city. He has put on a lot of weight in recent years and wants to take up a sport that will help him get fit. He enjoys thrilling and exciting sports but as he often has to work late into the evening and on the weekend so he only has time to go during his workday lunch hour.

2.Maude has been retired for 2 years. She is in good health but wants to keep active and remain in shape. She is interested in a hobby that isn't too difficult to learn and will give her lots of fresh air and the chance to meet some new friends. She only has free time on the weekend as most weekdays are spent taking care of her grandchildren.

3.Sid is a high school student that recently hurt his knee playing football. The doctor has told him that for the next 6 months he shouldn't put too much pressure or weight on it and he needs to do some sport that will help him build up his strength but will not cause any more damage to his knee. Afternoon after school is his preferred time.

4. Nancy is a university student who loves excitement and is always willing to try out something different. She has little patience however and wants a sporting activity that will give her the chance to do many different things. As she works part time after class and on the weekend she is only free on weekday afternoon.

5.Spike has recently moved to the city and doesn't have many friends. He is not really a sports fan but wants to do something that is fun and that will give him the chance to meet new people. He is only free in the evening.

 

查看答案和解析>>

We are what we eat. What we are  1.          (accustom)to eating every day has a great effect on our health. Consequently (As a result), we should make         2.           effort to change our bad eating habits. As we all know , baked or fried foods may be   3.            (taste), but eating too much of them will probably  4.             (短語)some illnesses. In addition, some food which costs us a great deal of money is not healthy,  5.            junk food.

6.           people like to eat is various from culture to culture. Compared with people in the West, Chinese people used to eat more grain, more vegetables and less meat,  7.             is a good eating habit.  8.            , things are quite different now. With the rapid economic   9.           (grow) of our country, we also eat a lot of food high in sugar and fat. If you take a casual look at people in the street, what impresses you will probably be the fact that there are a lot more fat people than ever before. We are at risk when  10.            (eat)out without          considering the balance of our food . To be healthy, we must keep it in our mind that the food we choose to eat should give us the nutrients(營(yíng)養(yǎng)) we need.

      

查看答案和解析>>

Section C

Directions: Read the following text and choose the most suitable heading from the list A - F for each paragraph. There is one extra heading which you do not need.

A.Life in the blue-water world

B.Diving tours around the world

C.Options to meet various interests

D.Necessary equipment to ensure safety

E. Experiences on scuba-diving holidays

F. Experienced staff to keep you company   

 

 

 

 

76.

Have you ever wondered what it might be like to live under the sea? Imagine the feeling of freedom you would have swimming through the clear, blue water deep beneath the waves, admiring the different types of corals, unusual plants and the creatures that call the sea bed home. Passing turtles are swimming above you, while bright and colorful groups of fish are travelling alongside you through the depths. All of this is possible on one of our scuba(水中呼吸器)-diving holidays!

 

 

77.

International Diving Tours can prepare you for the experience of a lifetime. On our scuba-diving holidays, you will have the opportunity to swim in some of the most beautiful locations in the world, where you can explore underwater caves and coral reefs, and witness some of the strangest and most wonderful creatures on the planet. Not only will you have one of the most exciting times of your life, but you will also come back from your trip feeling calm and relaxed.

 

 

78.

We offer several different holiday options for you to choose from. Our sales people can plan and organize the best trip for you, all for the best price! Options include the chance to explore some of the most famous ancient shipwrecks hidden beneath the ocean, or, if you prefer the natural world, we also offer tours of the world-famous Great Barrier Reef in Australia. We even offer the chance to swim with dolphins or venture into a shark cage, where behind the safety of a metal barrier you can watch these fierce beasts go about their daily life. 

 

 

79.

All the necessary equipment for your underwater adventure is provided, from wetsuits designed to fit all body shapes, to the latest scuba masks to help you see when you are exploring the world beneath the sea. For longer dives, we provide tanks of oxygen that can let you dive for up to four hours. All of our equipment is checked regularly to ensure that you remain safe at all times.

 

 

80.

Our instructors are among the best in the world. They will show you how to swim in your scuba equipment and how to communicate with hand signals under water, which is vital for deep-sea diving. They will also make sure you understand how to return to the surface safely, since rising too quickly can cause a number of health problems. Most importantly, however, they will make sure you have fun.

 

查看答案和解析>>

閱讀下列短文,從每題所給的A、B、C、D四個(gè)選項(xiàng)中,選出最佳選項(xiàng)。

C

China’s economic growth “hard to predict”

The worsening global economic situation makes it difficult for China to predict its growth for next year, a senior official said on Friday.

“How fast China’s economy will grow next year is uncertain,” Liu He, deputy director of the Office of the Central Leading Group on Finance and Economy Work, told China Daily.

“To a large extent, the rate will be decided by the external(外部) situation,” Liu said during a discussion with Swedish Prime Minister Fredrik Reinfeldt and other economists in Beijing.

“This year, GDP is estimated to grow at 9.4 or 9.5 percent, down from 10.6 percent last year,” he said. “However, the impact of the current financial turbulence on our economy is much less than on the rest of the world.”

Nicholas Stern, a former UK government advisor, also told China Daily it will take at least one or two years for the world to recover from the recession, which is now spreading from the US and the UK to the rest of the world.

“We don’t know how long the recession will last, but it is unlikely to be short,” he said.

Liu said China can use the downturn(衰退) as an opportunity to restructure its economy, which has relied heavily on government investment, foreign trade and low-cost technology over the past years.

“When the economy is experiencing fast growth, companies are unwilling to upgrade their technologies,” Liu said.

“The slowdown gives such firms the opportunity to enhance(提高) their competitive edge through better technologies.”

(From China Daily 2009-01-11)

1.How many people are mentioned in this passage?

A.Only 2.

B.No more than 3.

C.Not more than 4.

D.At least 5.

2.It can be inferred from Liu’s words that the impact of the current financial turbulence on China’s economy is ______.

A.more

B.less

C.the most

D.the least

3.The underlines word “extent” probably means ______.

A.sense

B.degree

C.size

D.depth

4. According to the passage, the reason why Liu said this downturn is an opportunity for China to restructure its economy is that ______.

A.China’s economy will not depend on government investment in the future

B.Foreign trade will grow in the future

C.The downturn will force China’s companies to upgrade their technologies

D.Low-cost technologies will not exist in China

 

查看答案和解析>>


同步練習(xí)冊(cè)答案