All living things on the earth need other living things to live with. Nothing lives____Sometimes one living thing kills____. Each kind of life eats another kind of life____live, and together they form a food chain(食物链). Some food chains are simple, while others are not. But____food chains begin with the sun, and all food chains become____if one of the links disappears.

All life needs sunlight to live on. But only plants can use____directly(直接地). They make food from sunlight, water, air and so on. Animals can only use the sun’s energy____it has been changed into food by plants. Some animals feed directly on plants. Others eat smaller animals. Meat-eating animals are only____plants indirectly.

What about human beings? We are members of many food chains. We eat wheat, rice, vegetables, fruits and so on. We also eat meat and drink milk. But____often break up the food chains. They kill wild animals. They also make rivers, lakes and seas dirty. When these rivers, lakes and seas are polluted, the fish in them____be eaten. If people eat the fish, they will get strange diseases.

Each form of life is linked to all the others. Breaking the links puts all life in danger.

1.

A. alone B. lonely C. together D. happily

2.

A. other B. the other C. another D. the others

3.

A. for B. so that C. and D. in order to

4.

A. any B. all C. some D. most

5.

A. better B. broken C. stronger D. nicer

6.

A. moonlight B. laser light C. sunlight D. bright light

7.

A. after B. before C. until D. by the time

8.

A. making B. catching C. eating D. feeding

9.

A. sunlight B. animals C. plants D. people

10.

A. can B. cannot C. must D. needn’t

Say the words ‘reality TV’ and the show that comes into most people’s minds is Big Brother. Love it or hate it, there have been versions ( 版本) in more than seventy countries! The basic format is simple: put a group of strangers into a house, record everything they do and watch how they manage to live together.

Actually the idea wasn’t original. A similar show, The Real World, was broadcast in 1992 on MTV. But the format really became popular with the success of Big Brother, and it has been copied again and again, including celebrity versions. In similar shows, contestants ( 参赛选手) have been sent to the jungle or a desert island. In Wife Swap a mother goes to live with a family of strangers and tries to manage their homes; in Young, Dumb and Living off Mum a group of spoilt ( 宠坏的) teenagers with no life skills learn to live together and look after themselves.

So what makes these shows so attractive? Actually, living with strangers is stressful and also personality problems are common. Contestants often have to share tasks and housework and this also brings conflict. “It’s all about relationships,” says TV critic ( 批评家) Jo Barnett. “Some characters are pleasant, and some are unpleasant, but they are all real people.”

But is it healthy to be so interested in other people’s private lives? And what kind of people want to appear in front of TV cameras twenty-four hours a day? Not everyone was in favour of such shows, including the first ever winner of Big Brother, Bart Spring. “I’m not a fan of the programme or of people becoming famous for being stupid.” he says.

1.Big brother is a TV show which has versions in over 70 countries, isn’t it?

______________________

2.Which of the following words has the same meaning as “original” (Para. 2) ?

A.narrow B.creative C.powerful D.favourite

3.What life skills can the spoilt teenagers learn in Young, Dumb and Living off Mum?

______________________

4.How is the life of the contestants living with strangers?

______________________

5.What does TV critic Jo Barnett think of the characters in these shows?

______________________

6.Do you like to take part in this kind of activity? Add your reason(s) .

______________________

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