Scientists are trying to make the deserts （沙漠）into good land again. They want to bring water to the deserts, so people can live and grow food. They are learning a lot about the deserts. But more and more of the earth is becoming deserts all the time. Scientists may not be able to change the deserts. Scientists think that people make deserts. People are doing bad things to the earth.
Some places on the earth don’t get much rain. But they still don’t become deserts. This is because some green plants are growing there. Small green plants and grass are very helpful(有帮助的) to dry places. Plants don’t let the hot sun make the earth even drier. Plants don’t let the wind blow the earth away. When a little bit of rain falls, the plants hold the water. Without plants, the land can become deserts much more easily.
Why can the land become deserts?
| A．Some places don’t get much rain. |
| B．Plants don’t let the hot sun make the earth even drier. |
| C．People don’t keep the earth well. |
| D．Scientists haven’t learnt enough about the deserts. |
Scientists want to to make the deserts into good land again.
| A．carry water | B．grow food |
| C．do nothing | D．study a lot |
Why are green plants and grass helpful?
| A．They can hold the water. |
| B．They can stop the wind from blowing the earth away. |
| C．They can keep the earth wet. |
| D．All the above. |
After reading this, we learn that .
| A．it is good to get rid of (去除) the grass in the deserts |
| B．all places without much rain will become deserts |
| C．plants can keep (阻止) dry land from becoming deserts |
| D．it is better to grow crops（农作物）on dry land than to grow grass |
An old man walked slowly into a restaurant with his cane(拐杖). His old jacket and shoes made him unusual that day.
A young waitress named Mary watched him move towards a table by the window. She ran over to him, and said with a smile, “Here, sir. Let me give you a hand.”
Without saying a word, he gave her a smile. She pulled the chair away from the table and helped him sit down. Then she put his cane against the table so that he could reach it. In a soft, clear voice, he said, “Thank you, miss.”
“You’re welcome, sir,” she replied. “I’ll be back in a moment, and if you need anything, just wave at me!”
After he had finished a good meal. Mary brought him the change. She handed him his cane, and walked with him to the front door. Holding the door open for him, she said, “Come back and see us, sir!” The old man turned around and smiled.
When Mary went to clean his table, she was shocked. Under the plate, she found a business card, a 100-dollar bill and a note. The note said, “Dear Mary, I respect(尊敬) you very much, and you respect yourself, too. It shows the way you treat others. You have found the secret of happiness.”
In fact, the old man was the owner of the restaurant. That was the first time that she, or any of his waitresses, had seen him. The old man looked __________
| A．young | B．handsome |
| C．unusual | D．common |
As soon as the old man entered the restaurant, Mary greeted him_______.
| A．politely | B．slowly |
| C．sadly | D．angrily |
Mary told the old man to _______ when he needed something.
| A．ring the bell | B．wave at her |
| C．shout at her | D．phone her |
Mary was shocked when she found a business card, a 100-dollar bill and a note _______.
| A．on the chair | B．on the ground |
| C．under the bowl | D．under the plate |
The old man was ______.
| A．Mary’s father |
| B．Mary’s neighbour |
| C．the boss of the restaurant |
| D．a waiter of the restaurant |
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 water. Man（人类） can only drink or use the other 3% of the fresh water 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 about three quarters of the earth, it looks very beautiful when the sun is shining on it. But it can be terrible when there is a strong wind.
The sea water 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 lake in the world. It’s near the city of Jericho. It’s about 80 kilometers long, between 4.8 and 17.7 kilometers wide. The river Jordan runs into the Dead Sea. 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 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. 
根据上述信息完成下面各个选项。Does the fresh water come from rivers, lakes and underground?
| A． Yes, it does. | B． No, it doesn’t. |
| C． Yes, it is. | D． No, it can’t. |
The Dead Sea is ．
| A． a small sea | B． a big sea |
| C． a big lake | D． a small lake |
The passage tells us the sea covers about of the earth．
| A． 3% | B． 25% |
| C． 75% | D． 97% |
The Dead Sea is about ．
| A． 2 kilometers wide | B． 80 kilometers long |
| C． 11 kilometers deep | D． 17.7 kilometers high |
Why can’t fish live in the Dead Sea?
| A． Because there is no water in the Dead Sea. |
| B． Because the water in the Dead Sea is dirty. |
| C． Because the water in the Dead Sea is salty. |
| D． Because the water in the Dead Sea is very cold. |
Tony has always loved going to the beach. He spends as much time there as he can. It was a bright, sunny day. The beach was full by the time Tony and his mum got there. It seemed that everyone had the same idea today. When they found a spot（地点）, Tony sat down and began to relax.
Soon Tony noticed something strange. There was an empty water bottle in the sand. Then, a paper bag was blowing down by the water. People had littered（乱扔废物）all over the beach!
Tony was mad. His mum explained that a lot of people littered instead of using garbage cans（垃圾桶）. If Tony wanted to stop it, he would have to work to save the beach.
He worked hard. Tony got a group to help clean up. He put up signs saying“ ” and got his town to add more garbage cans in the area. Most of all, he let people know how bad littering is for the environment.
Tony worked hard to make a difference!What was the weather like on that day?
| A． Rainy. | B．Cloudy. |
| C．Sunny. | D．Windy. |
Who went to the beach with Tony?
| A． His best friend. | B．His dog. |
| C．His mum. | D． Nobody. |
What problem did Tony notice on the beath?
| A． It started to rain. | B． People littered on the beach. |
| C． He lost his beach ball. | D． The water was too cold. |
What did the signs that Tony put up say?
| A． No swimming. | B．No Food or Drinks. |
| C． No Dancing. | D． No Littering. |
What is Tony like according to the passage?
| A． Hard-working and caring. |
| B．Hard-working but careless. |
| C．Outgoing（开朗的） but lazy. |
| D． Lazy and careless. |
Zhang Bin and Zhang Rui are brothers. But their living habits are different. Now Let’s go to Zhang Bin’s room. He cleans his bedroom every day and puts his things away. Look! There is a computer on the desk. There are two balls under the bed. A guitar and a kite are on the wall. Some books are on the shelf. So he must be a careful boy. Now let’s go to Zhang Rui’s room. The room isn’t clean. Can we see his clothes on the desk? Oh, yes. We can see a football and a knife on the desk, too. Zhang Rui never does any cleaning on weekends. So his room is in a mess.
What do you think of Zhang Bin and Zhang Rui? Zhang Bin is a good boy. Zhang Rui needs to learn from his brother.
根据短文内容，选择正确答案。 How often does Zhang Bin clean his bedroom?
| A． Every day. | B． Every week. |
| C． Twice a week. | D． Every month. |
There is a guitar .
| A． on the desk | B．on the wall |
| C． on the shelf | D．under the bed |
What can we see on Zhang Rui’s desk？
| A．His clothes and a computer. |
| B． A kite, a football and a knife. |
| C． His clothes, a football and a knife. |
| D． Some books, a football and a computer. |
What does “in a mess” mean in Chinese?
| A．杂乱无章 | B．整洁 |
| C．漂亮 | D．拥挤 |
Which of the following sentences is NOT true?
| A． Zhang Bin and Zhang Rui are brothers. |
| B． Zhang Rui does not clean his bedroom on weekends. |
| C． Zhang Rui is a careful boy. |
| D． Zhang Bin does some cleaning every day. |
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