Water is very important to living things. Without water there can be no life on the earth. All animals and plants need water. Man also needs water. We need water to drink, to cook our food and to clean ourselves. Water is needed in offices, factories and schools. Water is needed everywhere.
There is water in seas, rivers and lakes. Water is found almost everywhere. Even in the desert part of the world, there is some water in the air. You can not see or feel it when it is a part of the air. The water in the seas, rivers and lakes is a liquid, the water in the air is a gas, and we call it water vapour (蒸气).
Clouds are made of water. They may be made of very small drops of water. They may also be made of snow crystals(结晶体). Snow crystals are very very small crystals of ice. Ice is frozen water. It is a solid. There can be snow and ice everywhere in winter.
Water may be a solid or a liquid or a gas. When it is a solid, it may be as hard as a stone. When it is a liquid, you can drink it. When it is a gas, you can not see or feel it.
1.Where can we find water?
A．We can find water when it turns into vapour.
B．Water is only in seas and rivers.
C．We can see water in deserts here and there.
D．Water can be found almost everywhere.
2. We can drink water when it is
A．a solid B．aliquid
C．in the air D．turned into ice
3.Clouds are made of
A．seas, rivers and lakes
B．blocks of ice
C．very small drops of water or snow crystals
D．solid, liquid and gas
4.Water has three states(状态). They are
A．solid, liquid and gas
B．solid, vapour, snow
C．drops of water, blocks of ice and crystals of water
D．ice, snow and air
Modern man has cleared the forests for farmland and for wood, and has also carelessly burned them. More than that, though, he has also interfered （干涉） with the invisible bonds between the living things in the forests. There are many examples of this kind of destruction. The harmfulness of man’s interference can be seen in what happened many years ago in the forest of the Kaibab plateau （凯亚巴布高原） of northern Arizona. Man tried to improve on the natural web of forest life and destroyed it instead.
The Kaibab had a storybook forest of large sized pine, Douglas fir, white fir, blue and Engelmann spruce. In 1882 a visitor noted, "We, who ... have wandered through its forests and parks, have come to regard it as the most enchanting region it has ever been our privilege （特权） to visit.” This was also the living place of the Rocky Mountain mule deer. Indians hunted there every autumn to gather meat and skins. The forest also had mountain lions, timber wolves and bobcats that kept the deer from multiplying too rapidly.
Then, in 1906, President Theodore Roosevelt made the Kaibab a national game preserve. Deer hunting was forbidden. Government hunters started killing off the deer’s enemies. In 25 years’ time, 6,250 mountain lions, wolves and bobcats were killed. Before the program, there were about 4,000 deer in the Kaibab, by 1924, there were about 100,000.
The deer ate every leaf and twig they could reach. But there was not nearly enough food. Hunting of deer was permitted again. This caused a slight decrease in the deer herd （鹿群），but a far greater loss resulted from starvation （饥饿） and disease. Some 60 percent of the deer herd died in two winters. By 1930 the herd had dropped to 20,000 animals. By 1942 it was down to 8,000.
1. The destruction of the environment of the Kaibab resulted from
A．interfering with natural cycle of forest life
B．turning the forest into cultivated land
C．forest fires caused by man’s carelessness
D．cutting the trees for building materials
2. "Engelmann spruce"（Para. 2） is most likely the name of .
A．an animal B．a tree C．a mountain D．a game
3. The number of the deer in the Kaibab had increased enormously in years’ time.
A．25 B．6 C．12 D．18
4. Years later, large numbers of deer in the Kaibab died mainly because of .
A．the cold B．the organized kill
C．the poor management D．the shortage of food
The clock struck eleven at night. The whole house was quiet. Everyone was in bed except me. Under the strong light, I looked sadly before a huge pile of troublesome stuff they call “books”.
I was going to have my examination the next day. "When can I go to bed?" I asked myself. I didn’t answer, in fact I dared not.
The clock struck 12."Oh, dear!" I cried, "ten more books to read before I can go to bed!” We pupils are the most wretched（可怜的） creatures in the world. Dad does not agree with me on this. He did not have to work so hard when he was a boy.
The clock struck one. I was quite hopeless now. I forgot all I had learnt. I was too tired to go on. I did the only thing I could. I prayed, “Oh, God, Please help me pass the exam tomorrow. I do promise to work hard afterwards, Amen.” My eyes were heavy, so heavy that I could hardly open them. A few minutes later, with my head on the desk, I fell asleep.
1.When the author was going over his lessons, all the others in the house were_____ .
A．working in bed B．asleep
C．outside D．quietly laughing at him
2. Reviewing his lessons didn’t help him because ________.
A．it was too late at night
B．he was very tired
C．he hadn’t studied hard before the examination
D．his eyes lids were so heavy that he couldn’t keep them open
3. What do you suppose happened to the author？
A．He failed in the exam
B．He passed the exam by luck
C．He went to a church to pray again
D．He was punished by his teacher
4. The best title for the passage would be __________ .
A．The Night Before the Examination
B．Working Far into the Night
C．A Slow Student
D．Going Over My Lessons
完形填空（共20小题；每小题1.5分，满分30分）
阅读下面短文, 掌握其大意，然后从各题所给的四个选项(A、B、C和D)中,选出最佳选项。
Long time ago, there was a farmer who lived with his daughter. A young man fell in love with the farmer’s beautiful daughter and wished to 1 her. One day, he went to the farmer to 2 his permission. The farmer looked at him and said, “ Guy, stand out in that 3 . I’m going to release (释放) 4 bulls, one at a time. If you can 5 the tail of any one of the three bulls, you can marry my daughter.”
6 , the young man got out and stood in the field, 7 the first bull. The barn（牛棚） door 8 and out came the biggest bull that he had ever seen. He 9 that one of the next bulls had to be a better 10 than this one, so he ran over to the side and let the bull 11 .
A few 12 later, the barn door opened again. Unbelievable! The young man had never seen any bull so 13 and fierce as this one in his life. It stood there, pawing（扒） the 14 and eyeing the young man. “ What the next 15 was like ? It had to be a better choice than this one,” he thought. He let the bull pass through again.
The door opened a third time. A 16 came across the young man’s face. This was the weakest bull that he had ever seen. “ This one was my bull,” he 17 to himself. As the bull came running by, he positioned himself just right and 18 at just the exact moment. He threw his hands to catch ...... But to his 19 , the bull had no tail.
Life is full of opportunities. 20 catch the first one.
1. A．call B．recognize C．respect D．marry
2. A．remember B．copy C．ask D．answer
3. A．field B．forest C．river D．building
4. A．two B．three C．four D．five
5. A．see B．cut C．catch D．discover
6. A．Immediately B．Quietly C．Finally D．Proudly
7. A．talking about B．thinking of C．looking for D．waiting for
8. A．moved B．opened C．broke D．closed
9. A．decided B．noticed C．suggested D．learned
10. A．rule B．help C．choice D．reason
11. A．get up B．go back C．fall down D．pass through
12. A．seconds B．days C．hours D．months
13. A．famous B．big C．short D．beautiful
14. A．house B．wall C．ground D．door
15. A．fish B．horse C．bird D．bull
16. A．pity B．shame C．smile D．tear
17. A．explained B．said C．sang D．flew
18. A．jumped B．escaped C．stopped D．shouted
19. A．anger B．surprise C．joy D．excitement
20. A．Never B．Often C．Seldom D．Always
The reason _______ he was late was _______ he missed the bus.
A．why, that B．why, because
C．that, why D．because, why
The tiger, once a __ __ animal to humans, is now ____ of disappearing on the earth.
A．dangerous, danger
B．dangerous, in danger
C．in danger, in danger
D．danger, in danger
