Unit 8 Discoveries. Lesson 24 An Experiment Report.同步练习（含答案）

Unit 8 Discoveries
Lesson 24 An Experiment Report
同步练习
( ) 1.This isn’t my T-shirt. ______ is blue.
A. I B. Me C. Mine D. My
( ) 2. Flowers usually come out ______ spring every year.
A. in B. at C. on D. of
( ) 3 — ______ is a ticket to Garden Expo?
— It’s about 100 yuan.
A. How much B. How many C. How long D. How often
( ) 4 There ______ a park near here. Shall we take a walk?
A. be B. were C. is D. are
( ) 5. Which is ____________, the telephone, the computer or the light bulb?
A. useful B. more useful C. most useful D. the most useful
Scientists study the world and learn about things using a process called the scientific method(方法). By asking important questions and?? 1???the answers, it is possible to make amazing discoveries! Sometimes a scientist is?? 2???to answer his own questions, but if he has taken good notes another scientist may come along later who is able to use new knowledge to answer it.
When you use the scientific method to?? 3??an experiment, you start by making observations(观察) about something that? 4??you. Based on your observations, you make a hypothesis. This is using? 5???you know to make a smart guess about what you think could happen. Then you are ready to begin your experiment. All?? 6???your experiment you take down notes, which are?7? experiment date(资料). You are constantly making observations during this time. You may make discoveries that cause you to improve your experiment as you go.?? 8???, you conclude your experiment and begin to look over your notes to decide what it all means. Based on what you have learned, you make a final statement about???9??your hypothesis was correct or not. You have to have reasons and evidence to support what you are saying.
Using the scientific method can be difficult, but rewarding. Because all the steps are organized in a process, the?? 10??are more valid(可信的). When you provide observations as evidence to support what you are saying, your ideas are more likely to be accepted.
( ) 1.??A. waiting for? B. searching for? C. worrying about???? D. complaining about
( ) 2.??A. unable??????? B. sure??????????? ?C. ready ?????? ?D. surprised
( ) 3.??A. read????????? B. refuse?????????? ?? C. prevent????? D. conduct
( ) 4.??A. hurts???????? ?B. represents????????C. interests????? D. attacks
( ) 5.??A. what???????? B. when????????????? C. why????????? D. which
( ) 6.??A. without ??????B. including????????? C. except??????? D. during
( ) 7.??A. controlled??? B. arranged????????? C. called???????? D. carried
( ) 8.??A. Obviously??? B. Suddenly????????? C. Finally????????? D. Mostly
( ) 9.??A. whether????? B. what????????????? C. how?????????? D. when
( ) 10.? A. problem??? B. results??? ?????????C. services??????? D. aims
It is widely accepted that television is playing an important part in people's lives. But, there is a heated discussion as to whether television does good or harm.
Television keeps one learning more about present events, allows one to follow the most recent developments in politics and science, and offers various programs which are .both instructive and exciting. The most distant countries, the strangest customs and the most attractive scenes of nature are brought right into one's room or house.
However, some people insist that television is bad rather than good. They argue that it has brought about many serious problems. The major one is its effects on young people. Children are now so used to getting their information and entertainment from television that their ability to read and write as well as physical ability has been greatly weakened. Even worse than that, vulgar( 庸俗的) advertisements and poor programs may develop their bad tastes, shape their view points badly towards human life to such a degree that their minds might be destroyed.
In a word, television has both advantages and disadvantages. Whatever effects it has, one point is certain, television in itself is neither good nor bad. It is the use to which it is put that decides its value to society.
1. What are people discussing nowadays?
___________________________________
2. What are the advantages television has brought us? (至少2点)
___________________________________
3. Why do some people think television is bad rather than good?
___________________________________
4. It is the use to which it is put that decides its value to society.
___________________________________
5. What's your opinion about television?

网络的出现极大地改变了人们的生活。它给人们的生活带来了很多的便利，但也引起了一些问题，特别是一些学生沉溺于电脑游戏而不能自拔。请根据下列提示，写一篇80字左右的文章。 　　
提示：1. What can we do on the Internet?
2. What problems may be Internet cause?
3. What do you think of the Internet?　
A
If you want to check where the nearest coffee shop to your home is, if you want to know how to get to a place in your city, or if you want to see where in the world your foreign pen friend lives, there's now a new free online map you can use.
Last month, China started its official online mapping service, Map World. "Through this free online service users can fly over mountains and valleys around the world and search for restaurants and traffic information across the country for free," said Xu Deming, director of the State Bureau of Surveying and Mapping (SBSM). The bureau, which does China's surveying and mapping work, is in charge of the Map World project.
Users can get into Map World through www.tianditu.cn or www.chinaonmap.cn and search for 2- and 3-D images from across the world. The home page shows a view of the Great Wall.
"It took about two years to prepare the service with all the satellite（卫星） images taken from 2006 t0 2010," said Jiang Jie, director of the database department(数据库部门) under SBSM.
The technology（技术） and website are still at an early stage. The images from inside China are detailed. Users can see close pictures of roadsides. But the views of places outside China are less clear.
Service providers have more than 80 machines, with the ability to deal with 10 million requests (请求) daily, while Google Earth, Google's mapping service, has thousands of machines, Jiang said.
"Our map service can update（更新） data about twice a year, but Google Earth can update its information every couple of minutes, through satellites," Jiang said.
The bureau said it will continue developing Map World. At the same time, you can have a try for yourself. Some users have given their opinions about the service after trying it. One student in Beijing said that Map World even shows the small bookstore near her school.
( ) 1. What is the main purpose of the first paragraph?
A. To show how valuable the service is.
B. To introduce the new online photo-map of China.
C. To show the importance of the new online photo-map.
D. To tell how popular the new online photo-map is in China.
( ) 2. According to the Bureau, Map World_______.
A. only has images of China
B. will need another two years to complete
C. needs further development
D. begins with the Great Wall
( ) 3. What disadvantages does Map World have, compared with Google Earth?
A. Information is updated much less often.
B. It provided less clear images of places.
C. Its machines are less high technology.
D. It only has black and white images.
( ) 4. What is the passage probably taken from?
A. A notebook B. A guide book C. A story book D. A newspaper
参考答案
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1. Whether television does good or harm.
2. Television keeps one learning more about present events, allows one to follow the most recent developments in politics and science, and offers various programs which are both instructive and exciting. .....
3. Because they argue that it has brought about many serious problems.
4. 它是由人们对电视的具体使用决定它对社会的价值的。
5. Television has both advantages and disadvantages. Television in itself is neither good nor bad. It is the use to which it is put that decides its value to society. (The answer may be varied)
略
BCAD