题目内容

Would you completely trust your friends if you couldn’t see anything? If you are _____, do you believe they will catch you and help you stand up? Our teacher helped us to find the answer.

One day, our teacher Morrie said that he had a game for us to play. He _____us into two groups. One of the students from the first group stood in front of us with his______closed, and then falls backwards(向后). The_______ group stood behind him. Before he fell on the floor, they should catch him and not let him get hurt. Most of us were ___ with this. We were afraid that they wouldn’t catch us and we would hit the floor. So we didn’t move.

Finally, one student called Sarah, decided to _____. She closed her eyes, and slowly fell backwards. I thought she was really _____enough to do so.

For a moment, I was sure she was going to fall on the floor. But _____she hit the floor, the other students caught her and helped her stand up.

“Wow!” we were all surprised and also encouraged. Seeing this, Morrie smiled and said to the girl, “When you close your eyes, you can’t see anything. You won’t feel safe. When you are falling, the feeling gets______. You are not sure______you will hit the cold, hard floor or the warm, soft hands of your friends. But if you are brave enough to trust them, they won’t let you down.”

1.A. driving B. working C. falling D. standing

2.A. got B. put C. made D. divided

3.A. mouth B. hands C. eyes D. books

4.A. first B. second C. third D. last

5.A. uncomfortable B. happy C. excited D. interested

6.A. stop B. try C. leave D. refuse

7.A. afraid B. sick C. brave D. nervous

8.A. when B. before C. after D. until

9.A. better B. stronger C. weaker D. longer

10.A. whether B. why C. how D. when

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How to investigate

①Planning

Decide on a scientific problem to investigate

For example, a student named Mary has decided to research into how quickly sugar dissolves(溶解) in water.

Write down your hypothesis

You may already have an idea of what you expect to happen in your investigation. This idea is called your hypothesis. It may not be right! It is just an idea, though it may be based on work in science which you have done before. The aim of your investigation is to test your idea.

Decide what variables(变量) you are dealing with Things like temperature, size, weight, and colour are called variables. Variables are things you can measure(测量).

In your investigation, you have to decide what the variables are, which ones you will keep fixed, and which you will change.

You need to change just one variable at a time. If lots of variables change at once.it won't be a good test.

Decide what equipment you need, and in what order you will do things

Prepare tables for your results

②Getting your evidence(数据)

•Make your measurements, and record your results

③Reaching conclusions

Look for patterns in your results

Present your conclusions

What links(关联) did you find between any of the variables? How would you explain these links?

④Checking your findings

Compare your conclusions and hypothesis

Do your results support your idea?

1.What does the underlined word "hypothesis" most probably mean?

A. reason

B. result

C. method

D. guess

2.In Mary's investigation, which of the following about the variables is true?

A. She can only change one variable at a time.

B. Some of the variables can't be measured.

C. Her weight and age can be the variables.

D. The temperature of water cannot be a variable.

3.What is the passage mainly about?

A. How to do a scientific research.

B. How to explain a scientific finding.

C. How to deal with a chemistry problem.

D. How to understand some chemistry knowledge.

There was once a cave (岩洞) near a town. It was called “Cave of Fear”. Anyone who tried to enter it didn't return. People in the town said that there was a monster in the cave. In order to stop the monster from getting out of the cave, people often left gifts and food at the mouth of the cave, and these things always disappeared soon.

One day, a young man came to the town. When he heard about the cave, he decided to enter the cave and found out whether there was a monster in it. As he went deep into the cave, he heard some strange sounds. So he followed the sounds. Suddenly, he felt that something was pushing his back. He was too scared to turn around to look at it. Finally, he was pushed into a huge cavern (洞穴). As he entered the cavern, he got very surprised. He found that he was right in the middle of a big party. There were a lot of people in the party. They were all those people who had never returned to the town.

Then those people told him that this was the idea of an old wise man in the town. The old wise man wanted to show people that if someone wanted to make a change, he should be brave and wanted to have a try. So the wise man made up the story of the monster. Only brave people could enjoy big parties in the cavern.

1.The cave is called “Cave of Fear”,because _______.

A. there was a wise man in the cave

B. people who tried to enter it didn't return

C. there was a big party in the cave

D. people liked to live in the cave

2.People left gifts and food at the mouth of the cave in order to ________.

A. attract the young man to enter the cave

B. thank the wise man for his good idea

C. stop the monster to get out of it

D. help the people to hold the party

3.What can we learn from the passage?

A. Success belongs to the brave.

B. No pains, no gains.

C. Seeing is believing.

D. Where there is a will, there is a way.

What makes a group smart and able to solve problems successfully and make good solutions? Oh, we may ask: what makes a group intelligent? A group’s IQ (智商), we might think, would be simply the average intelligence of the group members, or perhaps the intelligence of the smartest group member. But some scientists have found that this isn’t so.

A group’s intelligence comes out from communications(交流) within the group. A group’s intelligence can be calculated, and like the IQ grades of a single person, and it can predict the group’s performance on lots of kinds of tasks perfectly. A single person’s intelligence can be trained to develop, so can a group’s intelligence. Here are some suggestions on how to guide the development of smart groups:

Personally, you can choose group members carefully. The smartest groups are made of people who are good at reading each other’s social signs. And then it’s better for you to talk about the “how”. Groups who take the time to discuss how they will work together are more well-organized and successful.

As a group member, it is also very important for you to share the information in the formal meetings. The members who just control the discussion or who stay away and don’t say much make the intelligence of the group lower. But in the smart group, members connect directly with each other, not just with group leader. They always take an active part in every small conversation that could be added to main discussion. Outside of formal meetings, the smartest groups spend a lot of time communicating, too. All members can have a coffee break at the same time, leading them to do their work more professionally and feel more pleased with their jobs.

The main idea of the passage

A group’s 1. is from communications among the group members.

Features(特征) of the group’s IQ

--- We can 2. the group’s intelligence

---Its IQ grades can be decided and known.

--- It can predict the group’s performance.

--- It can be developed by being3., too.

4. on how to develop the IQ of smart groups

--- Group members should have good communication skills.

---Each group member should have the same chance to exchange 5. in the formal meetings.

--- Group members should be active in small conversations and information meetings.

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