In most situations, light helps us see. But when it comes to looking at the night sky, light is actually a kind of pollution. It prevents our view of some of life’s most striking sights: stars, planets, and even galaxies.

“When I was a little boy, I loved the night sky. I remember looking up and the sky was filled with stars. I became an astronomer because I was amazed by their beauty,” says Robert gent, “Now in most big cities kids can’t see the stars like I did.”

Normally, about 2,500 individual stars are visible to the naked eye without using any special equipment. But because of light pollution, you actually see just 200 to 300 and fewer than a dozen from some cities. Only one in three Americans can see our own galaxy (星系) with the naked eye. Those people live far away from the lights of big cities, office building, and shopping malls.

Fortunately, there’s an inexpensive and useful way. If we shine lights down at the ground instead of up into the sky, and use lower brightness levels, we can save big amounts of energy and keep the beauty of the night skies. Many cities and towns have passed laws limiting lights at night, making sure enough shine for safety without creating much light pollution.

Light pollution affects more than our view of the heavens and can harm wildlife. Migrating (迁移) birds sometimes fly over cities and become confused by the brightness, flying in circles until they drop from exhaustion. Sea turtles need dark beaches for nesting and won’t approach bright lights. Too much light at night may even affect human health. For all these reasons, researchers are working on ways to use light only when and where they are truly needed. Everyone deserves to look up at the sky.

According to the text, using our naked eyes, ______________.

A. people in remote areas can see more stars than those in big cities

B. over one third Americans can see our own galaxy

C. about one in three Americans in big cities can see our own galaxy

D. Americans can only see 200 to 300 stars

Many cities and towns have passed laws limiting lights at night mainly to _________.

A. save the electricity                       B. make sure of cities’ safety

C. let you count the number of stars            D. avoid much light pollution

In how many ways will the light pollution do harm?

A. One         B. Two          C. Three          D. Four

The underlined word “exhaustion” in the last paragraph means “_________”.

A. air pollution     B. tiredness      C. breath        D. brightness

In most of the time, I am devoted to my research in the lab with my friend Dave, who loves traveling very much. To make our life colorful and relax ourselves, in July, my friend and I are taking a camping trip. We will travel for four weeks and will tour the United States and part of Canada. We have decided to camp because it does not cost as much as vacationing (度假) in hotels.

We have to plan very carefully in advance. First, the car we are going to drive is very small, so we have decided to take only one small suitcase each and as few camping things as possible. We will take some medicine with us to prevent insects (昆虫) from hurting us, and also food for picnics. Second, there is a lot to see in the United States and Canada, so we have to decide on the direction (方向) we want to drive.

The date we are leaving is July 2, from which day we will have two months off.  We want to see and do many things on our camping tour. We want to climb in the mountains, visit famous caves, and swim in cool mountain rivers. We want to visit many cities and talk to many people, which I am sure can enrich our experience greatly. We also want to find a hotel room if it rains at night. We expect to have an exciting trip.

1. The two friends are going to take a camping trip ________.

2.Which of the following statements is possibly true?

3. We learn from the second paragraph that ________.

4. It is quite clear that ________.

5. If they are caught in the rain , they will ________.

As most people know, in the past few years, sandstorms have swept across many cities and areas of North China, polluting the air and disturbing daily lives of human beings. People look dirty and suffer many kinds of illnesses, such as breath difficulty. The sandstorm is such a serious problem that it has not only undermined the industrial and agricultural development of our country but also caused a lot of trouble to the living conditions of the Chinese people. It is expected that effective(有效的) measures should be taken as soon as possible through our joint efforts to limit its occurrence.

So what should we do with the frightening sandstorms? Some experts put forward practical suggestions as follows: For one thing, more funs(基金)ought to be put into tree planting and forest protection so as to keep more water resources within the surface of the earth. For another, governments of all countries should make laws on environmental protection.For example, banning the use of throw-away chopsticks and punishing illegal tree cutting. Scientists should also study and find ways to cut down the degree of its destruction and to improve the whole environment.

How people look forward to sunny days with little breeze(微风)touching their faces now and forever! Nevertheless, I am fully confident that the golden days can come back so long as everyone tried his best to protect natural environment from today on.

1.The underlined word”undermined”(in Paragraph 1)means __________.

A．weakened         B．encouraged        C．kept             D．made

2.From the first paragraph, we can infer _________.

A．China has taken no measures to prevent sandstorms.

B．sandstorms can cause much damage to human beings and their daily lives.

C．the sandstorm is the most dangerous natural disaster to human beings.

D．more sandstorms will happen in the near future in North China.

3.How many ways do some experts put forward to fight against sandstorm?

A．5                B．4                C．3                D．2

4.What’s the author’s attitude towards the situation to sandstorms’ problems?

A．Unconfident       B．Optimistic         C．Regretful          D．Satisfied

Nobody likes home economics (家政学). But restoring the program could help us in the fight against obesity and chronic (慢性的) diseases today.

The home economics movement was founded on the belief that housework and food preparation were important subjects that should be studied scientifically. The first classes occurred in the agricultural and technical colleges that were built in the 1860s. When most departments of universities rejected women, home economics was a back door into higher education.

Indeed, in the early 20th century, home economics was a serious subject When few people understood germ (微生物) theory and almost no one had heard of vitamins, home economics classes offered vital information about washing hands regularly, eating fruits and vegetables and not feeding coffee to babies.

However, today we remember only the fixed ideas about home economics, forgetting the movement’s most important lessons on healthy eating and cooking. Too many Americans simply don’t know how to cook. Our diets, consisting of highly processed foods made cheaply outside the home, have contributed to many serious health problems. In the last decade, many cities and states have tried to tax junk food heavily or to ban the use of food stamps (食品券) to buy soda. Clearly, many people are doubtful about any governmental steps to promote healthy eating. But what if the government put the tools of obesity prevention in the hands of children themselves by teaching them how to cook?

My first experience with home economics happened two decades ago when I was a seventh grader in a North Carolina public school. A year later, my father’s job took our family to Wales, where I attended a large school for a few months. It was the first time I had ever really cooked anything. I remember that it was fun, and with an instructor standing by, it wasn’t hard. Those lessons stuck with me when I first started cooking for my husband and myself after college and they still do. Teaching cooking in public schools can help solve some problems facing Americans today. The history of home economics shows it’s possible.

1.Home economics______.

A. is a subject becoming more and more popular with Americans

B. is often used to help fight against obesity and chronic diseases

C. once offered women a. special approach to university education

D. was first taught in the agricultural and technical colleges in the early 1900s

2.The third paragraph mainly tells us______ .

A. the importance of regular hand washing

B. the health benefits of fruits and vegetables

C. the contents of home economics classes in the early 20th century

D. the significance of teaching home economics in the early 20th century

3. In the opinion of the author, how should we fight against childhood obesity?

A. Children should be taught how to cook.

B. A heavy tax should be put on junk food

C. Healthy eating should be promoted at school

D. Using food stamps to buy soda should be banned

4.What does the author imply in the last paragraph?

A. Her family moved frequently in her childhood.

B. Cooking classes have a far-reaching influence on her later life.

C. To receive a better education, she went to a large school in Wales.

D. Teaching cooking is the key to solving Americans’ health problems.

Many of the people who appear most often and most gloriously in history books are great conquerors and generals and soldiers, whereas the people who really helped civilization forward are often never mentioned at all.
We do not know who first set a broken leg, or launched a seaworthy boat, or calculated the length of the year; but we know all about the killers and destroyers. People think a great deal of them, so much so that on all the highest pillars in the great cities of the world you will find the figure of a conqueror or a general or a soldier. And I think most people believe that the greatest countries are those that have beaten in battle the greatest number of other countries and ruled over them as conquerors.
It is just possible they are, but they are not the most civilized. Animals fight; so do savages; hence to be good at fighting is to be good in the way in which an animal or a savage（野人） is good, but it is not to be civilized. Even being good at getting other people to fight for you and telling them how to do it most efficiently—this, after all, is what conquerors and generals have done—is not being civilized. People fight to settle quarrels. Fighting means killing, and civilized people ought to be able to find some way of setting their disputes other than by seeing which side can kill off the greater number of the other side, and then saying that that side which has killed most has won. And not only has it won, but because it has won, it had been in the right. For that is what going to war means; it means saying that might（权利） is right.
【小题1】The author thinks that the conquerors and generals and soldiers ________.