If water is heated, it will _______.

A. expand　　　 　 B. spread　 C.develop　　 D. increase

阅读下面的短文，然后按照要求写一篇150词左右的英语短文。
【阅读材料】
A Thirsty World
Three-fourths of the earth’s surface is covered by water, some of which is frozen and most of which is salty. In fact, less than one percent left for all the living things.
Now fresh water is becoming scare, but more and more is needed because of the increasing number of people. Some industries also use amounts of fresh water in the production of things such as steel, paper, and rubber. These factories have polluted water flow into rivers without making it clean. What’s more, people in the city have much dirtied water piped into ditches after cooking every day.
Scientists estimate that the need for fresh water will have doubled by the year 2003. This means that we must find new ways of saving it or producing it. Some nations have worked on the problem and are already sharing their information with others. They are trying to keep their rivers from being polluted. Deep wells are also being dug, and rainwater is being collected in huge artificial lakes. In one way or another, they hope to provide enough water to satisfy the needs of their people. For example, one important wayof producing water is to distill(用蒸馏法提取) it from sea water. After the salt has been removed, sea water can be used not only for drinking but also for industry and irrigation. However, the equipment for distillation process is very expensive. Distilled water might be as dear as gold if pollution goes on.
[写作内容]
1.      概括短文的内容要点，该部分的字数大约30；
2.      就”环境污染的原因与控制”这个主题发表你的看法，至少包括以下的内容要点，该部分的字数大约120；
a)      环境污染是由什么原因引起的？简单地举例子说明。
b)     为了解决污染问题，国家政府部门应该做些什么？
c)      为了解决污染问题，公民做些什么？
d)     为了解决污染问题，我们学生应该做些什么？
【写作要求】
可以利用实例或其他论述方法支持你的论点，也可以参照阅读材料的内容，但不得直接引用阅读材料中的句子。

C
Of all the things we eat and drink, water is the most important. Not all people realize this, but it is quite true. The human body can live without food for a long time, but two or three days without water usually result in death.
Many people do not understand how much water the human body needs, but many people do not drink enough, especially in the hot weather. Most people drink when they are thirsty but often need more water after exercises.
65 to 70 percent of the human body is water. Water is important in several different ways. Most people need five to seven litres of water every day, but we need not drink this amount because a lot comes from the food we have. If we don’t have enough water, however, we will feel tired and many become ill. Do you know what the best drink is? Yes, you are right. Cold water!
64．Do most people drink five litres of water every day?
A. Yes, because water is the most important
B. No, because what we eat contains water
C. Yes, because we can’t live without water
D. No, because we are not thirsty
65．How much water are there in the human body?
A. About three fourths of the human body is water.
B. Nearly a half of the human body is water.
C. Less than a half of the human body is water.
D. Almost one fourth of the human body is water.
66．When do we need more water?
A. In cold weather or after exercises.
B. In hot weather or after exercises.
C. Before breakfast, lunch and supper.
D. When we feel tired or become ill.
67．Which of the following is not right?
A. Cold water is the best drink.
B. Few people understand how much water the human body needs.
C. Not all the people realize water is the most important.
D. When we feel tired or become ill, we never need any water.

 Autumn means different things to different people. It all depends on your personality, said British naturalist Richard Mabey. "Personality shapes your view of the season," he said. "You may see it as a fading away, a packing up（结束）, or as a time of packing in another sense – the excited gathering of resources before a long journey."

If this is true, perhaps it tells us a little about, for instance, Thomas Hood, the 19th Century English poet. About November, he wrote:

No warmth, no cheerfulness, no healthful ease

No shade, no shine, no butterflies, no bees

November!

On the other hand, another English poet John Keats, already sensing he was seriously ill, was inspired by a late September day to pen one of the most famous poems in the English language, To Autumn. He wrote to a friend afterwards that there was something comforting and healing about it.

According to Richard Mabey, Keats has the biological evidence on his side. Autumn is not a time of slowing down, but a time of new beginnings and great movements of creatures. For example, just at the moment that Keats's "gathering swallows" （in To Autumn） are departing for Africa, millions of creatures are fleeing from the frozen north like Iceland, Greenland and Russia to winter along the east and south coasts of Britain. According to scientists, before falling, the leaves transfer their chlorophyll（叶绿素） and carbohydrates into the woody parts of the tree for safe-keeping over winter. What remains are the natural antioxidants（防老剂） in the leaves: the yellow and orange carotenoids（类胡萝卜素）, and another protective chemical specially produced for autumn, the bright-red anthocyanin（花青素）. High color is not a signal of deterioration（退化） and decline, but of detox（排毒的） ability and good health.

A century after Keats, the American poet Loren Eiseley wrote in his journal: "Suppose we saw ourselves burning like maples in a golden autumn. [And that we could] disintegrate（瓦解） like autumn leaves…dropping their substance like chlorophyll. Would not our attitude towards death be different?"

1.From Thomas Hood’s poem, we may infer that _______.

         A．he suffered a lot from cold November

         B．he missed the shining summer days very much

         C．he had a negative attitude towards autumn

         D．he enjoyed butterflies and bees very much

2.Which word can best describe Loren Eiseley’s attitude towards autumn?

         A．Optimistic.             B．Fearful.                   C．Doubtful.                 D．Realistic.

3.In autumn, leaves turn yellow before falling because ______.

         A．they can’t bear the freezing

         B．they can’t get enough water from the wood part

         C．chlorophyll and carbohydrates have been lost through leaves

         D．chlorophyll and carbohydrates have come back to the wood part

4.What does the underlined sentence mean?

         A．Man can never live long, just as leaves must leave the tree annually.

         B．Man is different from autumn leaves, which will come again the next spring.

         C．Man should treat death calmly, just like autumn leaves fall to the ground.

         D．Man should have a positive attitude towards death, quite different from autumn leaves.

In Yemen, you always see one type of vehicle on the road: the water truck.They travel mountain roads and cross deserts to bring Yemenis the goods more valuable than oil.It is one that only the rich can afford, with the supply regularly being cut off.Others must rely on scarce rain or charity to  fight thirst.
Experts say Yemen is going to be the first country in the world to run out of water.The capital, Sanaa, will run out of drinking water as early as 2025，says a report by the World Bank.
Hannan, an 18­year­old from Lahej, said that only the rich could prepare for cuts in supply.“In a good week we’ll have a water supply all week but then the following week there will be water only for a day or two, ” she said.
She and her husband, a factory worker, pay 3,000 riyals (99 yuan) for a week’s supply of water from a touring water truck when the taps run dry.With an income of only 20,000 riyals (660 yuan) a month，this means the family often spend half their money on water.
“There are a lot of people who can’t afford it and they have to rely on their neighbors to help，” she said.
The average person in Yemen survives on one­fifth of what the World Health Organization considers to be enough water.
In Taiz, in the south，tap water is available only once every 45 days.In the mountainous Malhan district in the north，women and children climb a 1,500­m mountain to collect water from a spring, often in the small hours to avoid long queues.
Yemen is located in Southwest Asia，bordering the Arabian and Red Sea.Yemeni people have lived on scarce water supplies for thousands of years but that problem has been made serious by conflict in the area，the fast­growing population and the use of water to grow a drug called qat.With one of the world’s highest rates of population growth—3.46 percent, Yemen is the poorest Arab country.
The government is considering desalinating (淡化) seawater，but this would be expensive and it may now be too late.The only other solution is to cut down on farming, but that means importing even more food.
【小题1】The passage aims to________.