用方框中所给单词的适当形式填空。（每小题1分，共5分）
| wise she knife introduce explain |
76. —Who taught Ellen French? —Nobody. She taught ___________.
77. I don’t know your friend. Would you mind ___________ him to me?
78. ___________ and forks will be necessary when we have western food.
79. She ___________ the problem very carefully so that we all could understand it.
80. Everyone should study hard. The more you learn, the ___________ you will be.
阅读下面短文，把A—D四个句子填入文中空缺处，使短文内容完整、正确，然后完成第75小题。
Gasoline (汽油) prices are getting higher and higher. The price make it hard for drivers to afford the fuel (燃料).
71________ The new cars are different and they can run on many different kinds of fuels. Some of these cars are called “hybrids”. One kind of these cars can run on a special fuel, filled with a gas called hydrogen (氢气). 72________ They give off no emissions (排放物) when they run on the roads, so they are very clean and good for the environment.
One car makers is excited about hydrogen fuel cell technology. 73________ Once we use the oil up, it will take millions of years for more oil to form. Since gasoline is made from oil, that could be a problem for drivers and companies if they still drive or make traditional cars. 74________
People are testing buses with hydrogen fuel cells and we may see this kind of buses on the roads in the near future.
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| A. The fuel cell cars are also better in another way. B. However, it won’t be a problem for cars with fuel cells. C. One group held a special event to display (展示) new kinds of cars. D. He says we will never run out the fuel, but we may run out of oil. |
75. What is the main idea of the passage?
A. Gasoline is becoming more and more expensive.
B. Traditional cars polluted the environment badly.
C. The special fuel cell is not only useful, but also cheap.
D. Some new kinds of cars will take the place of the traditional ones.
Mrs. Li, the mother of a 15-year-old girl, got worried recently, because she could hardly understand what her daughter was writing in her blog (博客). She said, “My daughter likes talking with her friends on the computer. I want to know what they are talking about, but I can’t understand what they are writing on the computer. They use Chinese, English, numbers and pictures. Sometimes I asked her, ‘Do your friends know the meaning of them?’ She said, ‘Yes, they do. Many of my friends talk with the language. It’s our powerful secret tool which parents and teachers cannot figure out at all. 
Kate: I like running very much. It’s good exercise. My parents both like running, too. We usually get up early in the morning and run together. It is good for one’s legs, heart and lungs. It helps one to have a strong body. Mum says that she should thank running because it helps her to get thinner. Running is fun. It can make one happy. There are many different ways for one to run. One can run in a school or in a park. One can join a running club to run and make new friends, too.
Chen Feng: I like ball games, like football, basketball and tennis. And basketball is my favorite. I often play basketball with my friends on Sunday mornings when we are free and the weather is nice. I joined my school team last year. And I can play it very well now. There is going to be a basketball game between No. 1 Middle School and our school in our school next Saturday. Many students are going to cheer us on. Our teacher says that she will buy some presents for us if we win. I hope we can win the game.
be important. Earthquakes can kill people and knock down homes. The animals may help to save lives.
Clara Barton was born into a farm family 47 Massachusetts, America in 1821. As a child, she wanted to help others. She 48 injured (受伤的) pets.
A.
B.
C.