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The world is not only hungry, it will also be thirsty for water. About 97% of water on the earth is sea water, or salty(咸的) water. Man can only drink or use the other 3% of the fresh water(淡水) which comes from rivers, lakes and underground.
The sea is very big. Look at the map of the world, there is more sea than land. It covers(覆盖) quarters of the earth, it looks very beautiful when the sun is shinning on it. But it can be terrible when there is a strong wind.
Some par
ts of the sea are very deep. There is one place near Japan. It's nearly 11 kilometers high. If we put that mountain into the sea at that place, there would be 2 kilometers of
water above it!
The sea is salty. There is one "sea" called the Dead Sea. The Dead Sea is not a sea. It's a big lake in the Jordan Valley. It's the saltiest. It's near the city of Jericho. It's about 80.kilometres long, between 4.8 and 17.7 kilometers wide. The river Jordan runs into the Dead Sea. The sun is not there and the water is salty. Fish can't live in the Dead Sea and plants can't grow near it. People can't swim well in the Dead Sea, but they can't float(漂浮) on the water. The water is very blue and the air is clean. In winter, people come to the Dead Sea to enjoy the sunshine.
( )26. Does the fresh water come from rivers, lakes and underground?
A. Yes, it does. B. No, it doesn't. C. Yes, it doesn't. D. No, it does.
( )27. The deepest place in the sea is near .
A. Japan B. India C. America D. China
( )28. The passage tells us the sea covers of the earth.
A.3% B.25% C.75% D.97%
( )29. The Dead Sea is .
A.80 kilometers long B.2 kilometers wide
C.11 kilometers deep D.17.7 kilometers high
( )30. According to the passage, which of the following isn't true?
A. The river Jordan runs into the Dead Sea.
B. The world will be thirsty for water.
C. The sea looks beautiful when the sun-is shining on it.
D. The Dead Sea is the saltiest sea in the world.
查看习题详情和答案>>is. A blue whale weighs more than a hundred tons.
Whales live in the sea, but they are not fish. They are mammals and must have air to
breathe. The babies drink milk from the mother's body. Every spring, groups of whales swim
hundreds of kilometers to warm places.
Each group goes to the same place every year. The mothers take very good care of their
babies. Whales are a gentle kind of giant. They always live together and help each other.
They "talk" to each other in the water with a high noise that sounds like singing.
Yet people kill over a hundred whales a day. They kill them to make many things. The
whale dies very slowly and in great pain. Some ships kill every whale they can find, even
mother whales and babies. If things go on like this, there will be no young whales to grow
up and no mother whales to have more young.
B. Lions
C. Whales
D. I don't know
B. fish
C. mothers
D. babies
B. on the land
C. in the river
D. A or B
B. crying
C. dancing
D. calling
B. If things go on like this, there will be no young whales to grow up.
C. If things go on like this, there will be no mother whales to have more young.
D. The whale dies very slowly and in no pain.
Plants and animals need water to grow. If there is no rain, they will die. We will not have any rice, any
vegetables or any meat. If there is no rain, we will have nothing to eat. We can only live for about one or
two weeks without food.
If there is no rain, there will be no water in the streams(溪流)or rivers. Fish will have nowhere to live.
They will die. We will have nowhere to swim.
If there is no rain, the cooks in the restaurants will have no water to cook food.
If there is no rain, firemen (消防员) will have no water to put out fires.
A. Three.
B. Four.
C. Seven.
D. Fourteen
2. If there is no water, what will happen to plants and animals?
A. They will die
B. They will grow.
C. They will run away
D. They will fly.
3. Why do firemen use water?
A. To drink it.
B. To water flowers.
C. To put out fires
D. To feed animals
4. What’s the title of the passage?
A. Drink water
B. There is water on the earth
C. Plants and animals
D. Rains is important
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