试题与答案

在PowerPoint2003中，若希望在文字预留区外的区域输入其它文字，可通过文本

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题型：判断题

题目：

在PowerPoint2003中，若希望在文字预留区外的区域输入其它文字，可通过文本框按钮插入文字。

答案：

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参考答案：A, B, C, D, E

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题型：阅读理解

阅读理解。

     It is natural that children are curious (好奇的) about the world around them. For example, they want to

know how their hearts beat. They want to know why the ocean water tastes salty. 　

     As children grow up, they become curious about different kinds of things. When they are babies, they

are interested in the parts of their bodies and in the smiles of their mothers. They become interested in the

physical world around them: the plants, the animals, the sky. Later, they become interested in the things that

people have made: wheels, bicycles, cars. And when they are adults, their curiosity continues. Sometimes this

curiosity leads to a career (生涯、职业) in science. 　

     Scientists spend their lives trying to find out about the world. Those who work with the earth sciences

study the earth, the oceans, and the sky. Other scientists who study living things work with the biological

sciences. A third group of scientists study the physical sciences, e.g. physics, chemistry. 　

     These scientists have already discovered a lot about our world. For example, they tell us why your heart

beats fast when you run. They say that when you are quiet, your heart normally beats sixty-five or seventy-

five times a minute. Your heart is a pump (泵) that pumps blood to all parts of the body. The blood carries

oxygen and nutrition. When you run, your muscles work very hard and use the nutrition that the blood carries

to them. The muscles need oxygen, too. So your brain sends a signal to the heart. The signal means that the

muscles need more nutrition and oxygen. Then the heart beats fast and sends blood quickly to the muscles.

It may beat 90 to 140 times a minute. 　

     Of course, scientists cannot answer all of our questions. If we ask, "Why does the ocean water taste

salty" scientists will say that the salt comes from rocks. When a rock gets very hot or very cold, it cracks.

Rain falls into cracks. The rain then carries the salt into the earth and into the rivers. The rivers carry the salt

into the ocean. But then we ask, "What happens to the salt in the ocean? The ocean does not get saltier every

year." Scientists are not sure about the answer to this question. 　

      We know a lot about our world, but there are still many answers that we do not have, and we are curious.

1. According to the passage, which of the following statements is true? [ ]

A. People are curious in the same way. 　

B. People in different countries are interested in different things. 　

C. Men and women are curious about different things. 　

D. People of different ages are interested in different things

2. Scientists who work with the biological sciences study ____. [ ]

A. the earth, the oceans and the sky

B. man-made things

C. plants and animals

D. ocean water

3. When you run, your muscles need ____. [ ]

A. more nutrition and oxygen

B. more signals

C. more salt

D. water

4. People are always curious because ____. [ ]

A. they cannot explain many things

B. they know nothing about the world

C. they know little about the world

D. they want to be scientists

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