题目内容

—May I listen to the music here,Mr.White?

—Sorry,you’d better ________ it like that.

A.not to do         B.not do         C.don’t do       D.not do to

 

 

【答案】

B

【解析】略

 

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The world is not only hungry but also thirsty for water. This may seem strange to you, since nearly 70% of the earth’s surface is covered with water. But about 97% of that is sea water or salt water. Man can only drink and use the other 3% of fresh water from rivers, lakes, underground and so on. And we can not even use all of that because some of it has been made dirty.

Earth Day is April 22. But on all other days, we must also remember how important water is. The water that we use is the most important natural resource on the earth. Today we face serious water problems. One of them is water pollution. All kinds of things from cars, factories, farms and homes make our rivers, lakes and oceans dirty. Polluted water is very bad for people to drink. And dirty water is bad for fish, too.

How do cars and factories make our water dirty? First they pollute the air. Then when it rains, the rain water makes our drinking water dirty. Dirty rain, called acid rain is also bad for plants, animals and buildings. Scientists say that in 30 years, more than half of the people in the world won’t have enough clean water. We have to learn how to stop wasting water. One of the first steps is to develop ways of reusing it. Today in most large cities, water is used only once and then sent out into a sewer system (下水道). From there it returns to the sea or goes underground.

But even though every large city reused its water, we would still not have enough. So we should make use of sea water by removing the salt in it. If we can take these steps, fresh water won’t be used up.

1.The world is thirsty for water because _______.

A. we don’t have enough fresh water      B. a lot of water goes into sewer systems

C. only 70% of the earth’s surface is water                  D. sea water is widely used rather than fresh water

2.From this passage, we know acid rain _______.

A. is only bad for living things       B. is not bad for buildings and factories

C. can be produced in factories        D. is bad for people, animals, plants and buildings

3.One difficult way we can solve the problem is to _______.

A. use the water with salt in it           B. remove the salt from sea water

C. get water from underground              D. reuse the water in cities

4.What is the best title for this passage?

A. Fresh water and sea water               B. A thirsty country

C. The importance of water  D. The world’s water problem

 

Everybody can suffer from stress.No matter what your age is,you can feel stressed out by things that are happening in your life.Teenagers,however,have many more opportunities to get stressed than people in any other age group.Being a teenager is hard.You are not a child any more,but you are not an adult,even though you have to deal with some very grown-up problems and decisions.Families can be one of the biggest causes of stress,such as problems with parents arguing at home.or problems with brothers and sisters.Teenagers also have a lot of stress from school,either from their teachers or from their friends.Some teenagers also feel stressed about choosing their education after high school.Getting a place at university can be very difficult and some cannot afford to go to university.The stress about getting a job when finishing school is hard for some teenagers.There are so many young people finishing school and not enough jobs for them.Sadly,there is nothing we can do to remove these causes of stress from the 1ives of teenagers,but you can learn the best way to deal with it.Talking to people is one of the best ways to deal with stress.It may sound simple,but it is true.A problem shared is a problem halved.

1.Why is being a teenager often difficult?

A.Because even though you are not an adult,you must deal with adult problems.

B.Because even though you are an adult,you must deal with children’s problems.

C.Because even though you are a teenager,you must do a lot of homework.

D.Because adults often make them feel stressed.

2.Families can add to the stress a teenager might experience ________.

A.by asking them to go to university

B.by helping them with their homework

C.as teenagers quarrel with their parents,and their brothers or sisters

D.as families never support their children enough

3.Why can leaving school be a stressful time for teenagers?

A.Because they will be leaving their favourite teachers.

B.Because many people’s favourite memories are at school.

C.Because they may worry about getting a place at university.

D.Because they may worry about becoming an adult.

4.Why can finding a job after finishing school be difficult?

A.Because there is a lot of competition for jobs.

B.Because there are no jobs.

C.Because a job is more difficult than school work.

D.Because there is a lot of competition for places at university.

5.We can deal with the stress in our life ________.

A.by not trying to find a job

B.by forgetting about our problems

C.by getting a place at university

D.by sharing our problems with our friends

 

 

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