A. When B. Since C. If D. As D The world itself is becoming much smaller by using modern traffic and modern communication means. 1 today is much easier than it was hundreds of years ago.but it has brought new 2 .One of the biggest is pollution.To pollute means to make things dirty.Pollution comes in many ways.We see it. 3 it.drink it and even hear it. Man has been polluting the earth.The 4 people.the more pollution.Many years ago.the pollution was not so serious 5 there were not so many people.When the land was used up or the river was dirty in one place.man 6 to another place.But this is no longer true. Man is now slowly polluting the whole world. Air pollution is now the most serious.It’s 7 for all living things in the world.but it is not the only one kind of pollution.Water pollution 8 our fish and pollutes our drinking water.Noise pollution makes us become 9 more easily. Many countries are making rules to fight pollution.They 10 people from burning coal(煤)in houses and factories in the city.and from putting dirty 11 into the air. Pollution by SO2 is now the most 12 kind of air pollution.It is caused by heavy traffic.It is true that if there are fewer people 13 .there will be less air pollution. The earth is our home.We must take care of it.That means 14 the land.water and air clean.And we must take care of the 15 in pollution at the same time. 查看更多

 

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— Could you please tell me     ?

— In three days.

A. when will your course start

B. when your course will start

C. when your course started

D. when did your course start

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—How long have you known the doctor ?

—          he helped me three years ago.

A. When         B. Before          C. Because      D. Since

 

 

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---How long have you known the doctor ?  

---_________he helped me three years ago.

A. When            B. Before           C. Because             D. Since

 

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Paragraph 1

Scientists have learned a lot about the kinds of 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 (柑桔) fruits and tomatoes; (3) potatoes and other fruits and vegetables; 94) meat of all kinds, fish and eggs; (5) milk and foods made from milk; (6) bread or cereal (谷类), rice is also in this kind of food; (7) butter, or something like butter.

Paragraph 2

People in different countries and different places of the world eat different kinds of things. Foods are cooked and eaten in many 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 or cooked, canned (罐装的) or frozen (冷冻的). It doesn’t matter if a person eats dinner at 4 o’clock in the afternoon or at eleven o’clock at night. The important thing is what you eat every day.

Paragraph 3

There are two problems, then, in feeding the large number of people on the earth. The first is to find some way 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(依据)the scientists,which of the following groups of food is the healthiest for your lunch?

A. Chicken, apples, cereal and cabbages.

B. Potatoes, carrots, rice and bread.

C. Oranges, bananas, fish and tomatoes.

D. Beef, pork, fish and milk,

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. have the right kinds of food to eat

B. cook their food in the same way

C. have their meals at the same time

D. eat food in different ways

4.Which of the following is not true?

A. People in some places don't have enough to eat.

B. There are too many people in the world.

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 (段落) 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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—Tom, your father went to Hong Kong last week. Do you know         ?

  — Next month.

A. when will he come back                   B. when he will come back 

C. where will he come back                  D. where he will come back

 

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