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Water is all around us. Water is in the ocean
（大洋）. Water is in the lakes and rivers. Water is in the air. There is more water than land on the. earth. All things must have water to live. The plants must have it. The animals must have it. We must have it too. We cannot live without drinking water. Sometimes, we do not have all the water that we need. The land will dry up without water. Sometimes, there can be too much water in the land. If it rains very, very hard, the rain water will run down the hills. It takes some of the land with it when it runs down the hills. It is called erosion（侵蚀）when the water takes the land away.Water on the earth will never be used up. It goes from the ocean to the air to make clouds. Then, it falls from the clouds down to the land. It runs off the land out to the ocean again. The clouds in the air are made of water. Sometimes the water fall down from the clouds.
The rain falls onto the land. Some of it goes into the ground. Some of it washes down and goes back into the ocean. Some water that falls down from the clouds is not rain. Some of this water is snow. The snow is made of water. Some water that is not rain or snow falls down from the clouds. Some of this water is sleet
（雨夹雪）. The sleet is made of little pieces of ice. Some water is not rain or snow or sleet falls down from the clouds. Some of this water is hail（冰雹）, The hail is made of ice balls!根据短文内容判断句子的正误，正确的涂
T，错误的涂F(1) According to the passage, we know that human begins must have water.
( )
(2) There are more plants than animals on the earth according to the passage.
( )
(3) Hail is not made of water.
( )
(4) Erosion in the passage means
“雪崩”.( )
(5)
“rain→land→4river→ocean→storm”shows the water cycle（循环）?( )
查看习题详情和答案>>is in danger. They hoped that governments (政府) would act quickly to conserve nature (保护自然). Here is
one example of the problem. At one time there were 1,300 different plants, trees and flowers in Holland but
now only 866 remain. The others have been destroyed by modern man and his technology. We are changing
the earth, the air, the water and everything that grows and lives. We can't live without these things. If things
go like this, we shall destroy ourselves.
What will happen in the future? Perhaps it is more important to ask, "What must we do now?" The people
who will be living in the world of tomorrow are the young of today. A lot of them know conservation is
necessary. Many are helping to save our world. They plant trees, build bridges across rivers in forests, and
so on. In a small town in the United States, a large number of girls cleaned the banks of 11 kilometers of their
river. Young people may hear about conservation through a record called "No one is going to change our
world." It was made by the Beatles, Cliff Richard and other singers. The money from it will help to conserve
animals.
( )2. There are fewer plants, trees and flowers in Holland because many kinds of plants, trees and flowers
can't grow there any more.
( )3. The most important thing for us to do is to clean the banks of our rivers.
( )4. "No one is going to change our world" is a name of a song.
( )5. From this passage we know that we must conserve nature.
and animals need water. Man also needs water. We need water to drink, to cook food and to clean
ourselves. Water is needed in farms, factories, offices, schools and families.
Water is found in seas, rivers and lakes. It can be found everywhere in the world, and it can also be
found in the air. We cannot see or feel the water when it is part of air. Clouds are also made of water.
They are little drops of water. When water freezes (冻结), it is ice. So ice is also water.
( )2. Man needs more water than the other living things.
( )3. Water can be found on the earth and in the air.
( )4. Clouds are made of very little drops of water.
( )5. Water changes into ice when it freezes.
Water is very important for living things. Without water there can be no life on the earth. All plants and animals need water. Man also needs water. We need water to drink, to cook food and to clean ourselves. Water is needed in farms, factories, offices, schools and families.
Water is found in seas, rivers and lakes. It can be found everywhere in the world, and it can also be found in the air. We cannot see or feel the water when it is part of air. Clouds are also made of water. Thay are little drops of water. When water freezes, it is ice. So ice is also water.
根据短文判断正
(T)误(F)．(1) Some living things can live without water.
(
)(2) Man needs more water than the other living things.
(
)(3) Water can be found on the earth and in the air.
(
)(4) Clouds are made of very little drops of water.
(
)(5) Water changes into ice when it freezes.
(
) 查看习题详情和答案>>you don't know where you will be when an earthquake happens, prepare some supplies for your home,
workplace, and car.
1. Water.
A person needs at least l/2 gallon of water daily just for drinking. Store at least l gallon of water per
person per day and be pre-pared for a 72-hour period. It is suggesLed that you buy botded water.
Keep bottlecl water in its original container and do not open it until you need to use it. Also, do check the "use by" date.
2. Food.
It's always a practical idea to keep a supply of non-r)erishable (不易腐烂的) food on hand. Have
an enough supply of canned food,powdered milk, dried fruits, non-saltecl nuts and canned juices f'or at
least 72 hours.
3. Flashlights( 手电筒) and spare batteries.
Keep a flashlight beside your bed, at your place of work, and in your car. Do not use matches or
candles after an earthquake until you are sure that no gas leaks.
Prepare a battery-powered radio and spare b.atteries. Most telephones will be out of order, so
radios will be your best source of infor-mation.
4. Clothes.
If you live in a cold place, you must think about warmth. You might not have heat after an earthquake. Think about your clothing and bedding supplies.
B. Because earthquakes take place without warning.
C. Because earthquakes usually take place in the neigh-horhood.
D. Because it:s people's daily work to prepare the earth-quakes.
B. You'd better use your own containers to keep water.
C. You'd better open the bottled water when you buy it.
D. You shouldn't open the bottled water until you need it.
B. fresh vegetables
C. dried fruits
D. canned juices
B. a telephone is the most important prepared thing
C. flashlights but not matches are first used after earth- quakes
D. clothes are used to protect your head
B. some hot water
C. some batteries
D. some flashlights