Tiny plants and animals live all around us. We cannot see them because they are so small, but they are everywhere.

They live in the soil, the air, and in rivers and oceans. They grow on mountains and in caves. Some live in the ice at the north and south poles; some live where it is very hot. They are found throughout cities and in the country. They grow on other plants and animals. Some are even living on you, on your skin, hair, and inside your body, in your mouth, nose, and all through your intestines (肠).

These tiny plants and animals are called microbes. The word microbe is made from two other words: micro, meaning small, and bios, meaning life. So, microbe means small life.

Microbes have been on earth for a very long time. They may have been the first forms of life to be alive. Today there are more microbes in the world than all other living things.

People did not know microbes had existed (存在) long. They were too small for them to see.

But people did see many changes in their world—important changes. And they did not know what caused them. They saw food that they kept too long change color and begin to smell bad. They saw cuts and wounds grow red and painful and become infected. They saw old plants and leaves and trees crumble apart on the forest floor and disappear into the soil. Such changes were a natural part of the world, but people did not understand them. They did not know these changes were evidence (证据) of tiny plants and animals growing all around them.

1.Where do microbes live?

A. Only in the forest., B. Almost everywhere.

C. Most in very hot areas., D. Most in rivers and oceans.

2.The underlined phrase “crumble apart” in the last paragraph means “________”.

A. 开花结果, B. 化为春泥, C. 破裂腐烂, D. 芳香四溢

3.According to the passage, which is the most suitable to complete the web below?

A. Microbes are very small, B. Microbes are all around us

C. People can’t see microbes, D. Food begins to smell bad

4.The best title of the passage could be ________.

A. The smallest life around us, B. The origin (起源) of microbes

C. The place of microbes growing, D. The evidence of microbes growing

It’s not easy to find a person with the qualities(品格)it takes to be a hero. I didn’t really understand the meaning of the word “hero” until my third year in the college.

If you saw her, you wouldn’t think she really looks the part, but she is stronger than Superman could ever be. Her name is Sandra Keierleber. I first met her at volleyball tryouts(选拔赛), but didn’t notice anything special at first. As the week passed, however, she showed she had more heart than anyone. She stood out because she never gave up, no matter what.

Sandra isn’t the tallest or the fastest-in fact, this was her first time playing volleyball and it showed-but that didn’t stop her. She was always the first to arrive and the last to leave. By the end of tryouts she had found a place in everyone’s heart. When the name list for new members was put up, we all waited nervously as she checked. When she stood at the door and smiled happily, all we could do was cheer.

After Sandra made the team, she worked even harder to improve her game. When she asked for help, we gladly taught her. She also became our fan, attending almost every school game and even joining us in the city games. We all like her, because she never thinks about doing things the easy way, or losing that smile. Because of her great efforts, she makes herself a true hero-and my hero, too.

根据短文内容,选择最佳答案。

1.What did the writer think of Sandra Keierleber at the beginning?

A. Strong. B. Honest. C. Pretty. D. Common.

2.When did Sandra begin to play volleyball?

A. When she was at college. B. When she was tall enough.

C. When she became a hero. D. When she met the Superman.

3.Which of the following is true about Sandra?

A. She was born a volleyball player. B. She isn’t the tallest but the fastest.

C. She does things in an easy way. D. She is popular with her teammates.

4.What did the writer and her classmates do when they knew Sandra was on the name list?

A. They held a party. B. They cheered Sandra.

C. They cried. D. They did nothing.

5.Why does the writer think of Sandra Keierleber as a true hero?

A. Because she did very well at the tryouts.

B. Because she worked hard and never gave up.

C. Because she took part in the city matches.

D. Because she asked for help from her teammates.

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