In the modern age, human society runs on energy. Most machines need electricity to operate. Humans cannot live without electricity even a single day in their daily life and work. They have many different ways to create electricity. But some ways are harmful to the environment.

For example, fossil fuels (化石燃料) are the most common kind of energy.They include coal, oil, and natural gas. First, people have to dig them from the ground. This can sometimes harm the environment. However, scientists are creating cleaner and better ways to do that these days. So the environment is not harmed as much as before. But when people burn these fossil fuels, they can give off a lot of harmful gases, which is considered to be one of the greatest causes of global warning. This might harm the environment.

Tidal (潮汐) energy is another way to make electricity. This uses the ocean tides to make electricity. But some kinds of tidal energy can kill many fish and other sea animals. Also dams (大坝) can create lots of clean energy. But dams create lakes and change the way that rivers run. So they can do great harm to the balance of nature around the lakes and along the rivers.

Nuclear (核) energy is a very powerful form of energy. It is cheap. It is also very clean. But many people are afraid of it because it uses radioactive materials. Also, there have been some very serious accidents in the past which caused great harm to human and nature. But the technology is much better these days. so many countries are starting to use nuclear energy more.

1.In Paragraph I the underlined part “human society runs on energy” means “______”.

A.humans in the society waste much energy B.people use energy to make the world work

C.our society is full of varied kinds of energy D.humans cannot run fast without energy

2.According to the passage, which of the following is TRUE about fossil fuels?

A.They are dug from the ground. B.They are considered expensive.

C.They hardly harm the environment. D.They are not widely used in the world

3.From the passage, we know that tidal energy can ______.

A.cause serious accidents B.change the way that rivers run

C.give off a lot of harmful gases D.kill many living things in the ocean

4.Many countries start to use nuclear energy more because ______.

A.it’s a common kind of energy B.people are not afraid of it now

C.it’s cheap, clean and safer than before D.people can’t live without it

5.The passage is probably in the part of ______ in a newspaper.

A.health B.science C.culture D.sports

Once there lived an old man in a mountain village. He was a famous hunter. He often went hunting alone in the mountains. He was not afraid of any wild animals, not even a tiger.

One night, someone saw a tiger come into the village, and stole two sheep away. The next night the tiger came again. The villagers were frightened. They asked the old hunter to catch it so that they could have a safe life.

When the old man heard about the tiger, he thought hard. He wondered why the tiger came at night twice but only stole the sheep. The next night he walked outside the village. Suddenly he saw the tiger coming. He quickly threw himself on the ground. To his surprise, the tiger did not come at him, but went away. He followed it quietly and found it was running on two of its feet just like a man. Then everything was clear.

On the fourth day, when it got dark, the hunter took some animal skins with him and hid himself behind a big tree near the village. He was waiting for the "tiger". As soon as the "tiger"came near the tree, the old hunter jumped out, caught the "tiger" by the "leg" and said,"Don't he afraid. I do not mean to hurt you. You know who l am, don't you"

The "tiger" said "Yes" and took off the tiger's skin.

"You are poor. But you mustn't steal anything from others. Here are some animal skins for you. You may sell them at the market. With the money, you can buy food and clothes for your family. Work harder and try to make a living. " With tears in his eyes, the poor man thanked the kind-hearted old hunter and walked home.

1.Where did the old hunter live ?

2.What did the tiger get from the village at night?

3.How many times did the tiger come into the village altogether?

4.How was the ‘Tiger” running?

5.Why did the old hunter give some animal skins to the ‘tiger’ ?

6.What do you think of the hunter ? Tell your reason.

Scientists have learned a lot about the kinds of food people need. They say that there are several kinds of food that people should eat every day. They are (1) green and yellow vegetables of all kinds; (2) citrus (柑橘) fruit and tomatoes; (3) potatoes and other fruit and vegetables; (4) meat of all kinds, fish and eggs; (5) milk and food made from milk; (6) bread or cereal, rice is also in this kind of food; (7) butter, or something like butter.

People in different countries and different places of the world eat different kinds of things. Food are cooked and eaten in different kinds of ways. People in different countries eat at different times of the day. In some places people eat once or twice a day, in other countries people eat three or four times a day. Scientists say that none of the differences is really important. It doesn’t matter whether foods are eaten raw (生的) or cooked, canned or frozen. It doesn’t matter if a person eats dinner at 4’clock in the afternoon or at 11 o’clock at night. The important thing is what you eat every day.

There are two problems in feeding the large number of people on the earth. The first is to find some ways to feed the world’s population so that no one is hungry. The second is to make sure that people everywhere have the right kinds of food to make them grow to be strong and healthy.

1.According to the scientists, which of the following groups of food is the healthiest for your meals?

A.Chicken, apples, cereal and cabbages. B.Beef, pork, fish and milk.

C.Oranges, bananas, fish and tomatoes. D.Potatoes, carrots rice and bread.

2.It is important for people to eat ______.

A.three times a day B.dinner at twelve o’clock

C.cooked food all the time D.something from each of the seven kinds of food every day

3.People in different countries and different places of the world ______.

A.eat food in different ways B.cook their food in the same way

C.have their meals at the same time D.have the right kinds of food to eat

4.Which of the following is NOT true?

A.There are too many people in the world.

B.People in some places don’t have enough to eat.

C.One of the problems is that no one is hungry.

D.The scientists are trying to make people grow to be strong and healthy.

5.If there is Paragraph 4, what do you think is going to be talked about?

A.When people eat their lunch. B.What to do with the two problems.

C.How to cook food in different ways. D.Why people eat different kinds of food.

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