Plants are very important living things. Life could not go on if there were no plants. This is because plants can make food from air, water and sunlight. Animals and man cannot make food from air, water and sunlight. Animals get their food by eating plants and other animals. Therefore animals and man need plants in order to live. This is why we find that there are so many plants around us.

If you look carefully at the plants around you, you will find that there are two kinds of plants: flowering plants and non-flowering(不开花的) plants.

Flowering plants can make seeds(种子). The seeds are protected by the fruits. Some fruits have one seed, some have two, three or four, and some have many seeds. But a few fruits have no seeds at all. An example of a fruit without seeds is the banana fruit.

Most non-flowering plants do not grow from seeds. They grow from spores(孢子). Spores are very, very small. Some spores are so small and light that they can float in the air. We may say that spores are quite the same as seeds. When these spores fall on wet and shady(阴凉的) places, they usually grow into new plants.

1.What fact does the passage lead you to believe?

A. Of all living things, animals are most important.              

B. Spores are seeds.

C. All fruits of flowering plants have seeds.                          

D. Without plants, man will die out.

2.The paragraph following the passage will be about ________.

A. how plants can make food from air                                   

B. how spores grow into new plants

C. why some plants have no seeds                      

D. why non-flowering plants are more important than flowering plants

3.This passage is most likely to be taken from ________.

A. a story book                                            B. a novel

C. a science magazine                                             D. a laboratory report

Plants are very important living things. Life could not go on if there were no plants. This is because plants can make food from air, water and sunlight. Animals and man cannot make food from air, water and sunlight. Animals get their food by eating plants and other animals. Therefore animals and man need plants in order to live. This is why we find that there are so many plants around us.

If you look carefully at the plants around you, you will find that there are two kinds of plants: flowering plants and non-flowering(不开花的) plants.

Flowering plants can make seeds(种子). The seeds are protected by the fruits. Some fruits have one seed, some have two, three or four, and some have many seeds. But a few fruits have no seeds at all. An example of a fruit without seeds is the banana fruit.

Most non-flowering plants do not grow from seeds. They grow from spores(孢子). Spores are very, very small. Some spores are so small and light that they can float in the air. We may say that spores are quite the same as seeds. When these spores fall on wet and shady(阴凉的) places, they usually grow into new plants.

33. What fact does the passage lead you to believe?

A. Of all living things, animals are most important.            

B. Spores are seeds.

C. All fruits of flowering plants have seeds.               

D. Without plants, man will die out.

34. The paragraph following the passage will be about ________.

A. how plants can make food from air                      

B. how spores grow into new plants

C. why some plants have no seeds                    

D. why non-flowering plants are more important than flowering plants

35. This passage is most likely to be taken from ________.

A. a story book                                             B. a novel

C. a science magazine                                    D. a laboratory report

　  When I was at university, I studied very hard. But a lot of my friends did very little work. Some did just enough to pass exams. Others didn’t do quite enough. Fred Baines was one of them. He spent more time drinking in the Students’ Union than working in the library.

　　Once at the end of the term, we had to take an important test in chemistry. The test had a hundred questions. In my room the night before the test, Fred was watching TV. Fred usually worried a lot the night before a test. But on that night he looked perfectly calm. Then he told me of his plan. “It’s very simple. There are a hundred questions and I have to get fifty correct to pass the test. I’ll take a coin into the examination room. I haven’t studied a chemistry book for months, so I’ll just toss the coin. That way, I’m sure I’ll get half the questions right.”

　　The next day, Fred came happily into the exam room. As he sat tossing a coin for half an hour he marked down his answers. Then he left, half an hour before the rest of us.

　　The next day, he saw the chemistry professor in the corridor. “Oh, good,” he said, “Have you got the result of the test?” The professor looked at him and smiled, “Ah, it’s you, Baines. Just a minute.” Then he reached into his pocket and took out a coin. He threw it into the air, caught it in his hand and looked at it.

　　“I’m terribly sorry, Baines,” he said, “You failed!”

51. This story mainly wants to tell us ________.

A. chemistry is really hard to learn

B. there were too many questions for students to prepare for

C. good exam results needs hard study

D. tossing a coin can not always decide the result

52. Fred Baines was one of those who ________.

A. did just enough to pass the exam

B. didn’t work hard enough for their studies

C. had too much other work for the Students’ Union

D. were quite good at passing exams

53. Fred came happily into the exam room because ________.

A. he had got ready for the exam

B. he knew the answers already

C. the other students would be behind him

D. he had his way to finish the exam

54. The chemistry exam in fact ________.

A. was not very hard

B. took the other students an hour to finish

C. had more than one hundred questions

D. needed to be done by tossing a coin

55. The professor tossed the coin to tell Baines that ________.

A. he was satisfied with his way for the exam

B. he wanted to make friends with him

C. his way for the exam would never work

D. the exam result depended on the coin

　 When I was at university, I studied very hard. But a lot of my friends did very little work. Some did just enough to pass exams. Others didn’t do quite enough. Fred Baines was one of them. He spent more time drinking in the Students’ Union than working in the library.

　 Once at the end of the term, we had to take an important test in chemistry. The test had a hundred questions. In my room the night before the test, Fred was watching TV. Fred usually worried a lot the night before a test. But on that night he looked perfectly calm. Then he told me of his plan. “It’s very simple. There are a hundred questions and I have to get fifty correct to pass the test. I’ll take a coin into the examination room. I haven’t studied a chemistry book for months, so I’ll just toss (扔，抛) the coin. That way, I’m sure I’ll get half the questions right.”

　The next day, Fred came happily into the exam room. As he sat tossing a coin for half an hour he marked down his answers. Then he left, half an hour before the rest of us.

　The next day, he saw the chemistry professor in the corridor （过道 ，走廊）.  “Oh, good,” he said, “Have you got the result of the test ? ” The professor looked at him and smiled, “Ah, it’s you, Baines. Just a minute.” Then he reached into his pocket and took out a coin. He threw it into the air, caught it in his hand and looked at it.

　“I’m terribly sorry, Baines,” he said, “You failed!”

81. This story mainly wants to tell us ________.

 A. chemistry is really hard to learn

B. there were too many questions for students to prepare for

C. good exam results needs hard study   D. tossing a coin can not always decide the result

82. Fred Baines was one of those who ________.

A. did just enough to pass the exam          B. didn’t work hard enough for their studies

C. had too much other work for the Students’ Union  D. were quite good at passing exams

83. Fred came happily into the exam room because ________.

A. he had got ready for the exam            B. he knew the answers already

C. the other students would be behind him    D. he had his way to finish the exam

84. The chemistry exam in fact ________.

A. was not very hard                    B. took the other students an hour to finish

C. had more than one hundred questions     D. needed to be done by tossing a coin

85. The professor tossed the coin to tell Baines that ________.

A. he was satisfied with his way for the exam    B. he wanted to make friends with him

C. his way for the exam would never work      D. the exam result depended on the coin