Today there are 6 billion people on the earth. By the year 2050 there may be 12.5 billion. There will be a lot of people to feed. We need more food.
One way to produce more food is by growing stronger plants. For thousands of years, farmers have made plants better. Every season, they pick the best plants for the next season. It works very slowly. Since 1983, scientists have been able to change plants more quickly by changing their genetic material(遗传物质). Foods from plants grown in this way are called genetically modified foods(转基因食品), or GM foods.
By changing the genetic material of a plant, it is possible to make new plants. They make plants which are strong against plant diseases. They can also help in our diseases: a kind of rice is being prepared, for example, which stops people from becoming blind.
Rich countries produce GM foods because they are easy to grow and bring in more money. Poor countries are interested in them because they help produce more food.
GM plants are not natural. No one knows how good or bad they are. Making GM foods is only one way of feeding people in 2050. There are strong feelings against them, because they are unnatural. They may feed people, then hurt them or their children later. But, both rich and poor countries are very interested in their use, and they are not going to go away. In 2050 we may think differently about them. GM foods ________.
| A．are a quick way to produce food |
| B．grow in the wild |
| C．are safe |
| D．are grown only in rich countries |
Why do some people not like GM foods?
| A．They are not useful. |
| B．They are not helpful. |
| C．They are not natural. |
| D．They are not cheap. |
From the reading we know that ________.
| A．GM foods will disappear one day in the future |
| B．GM foods will not disappear in the future |
| C．people will not be interested in GM foods |
| D．people will have to stop using GM foods |
Yang Yunjing is a tour guide volunteer in Tibet.（西藏） She went there five times as tour guide（导游）. Her parents and friends couldn’t understand why she chose the hard work. But facing all the confusion(困惑 ), Yang just smiled and said, “Tibet is full of charm(魅力).”
When Yang finished her studies at the university three years ago, she had two choices: being an exchange student in Germany, or volunteering for Tibet. Finally, she chose the latter（后者）. Her father said, “ I’ll support( 支持 ) you. But no matter what happens, you have to face it on your own.”
When Yang went to Tibet for the first time, she got a “ gift” — altitude sickness(高原反应 ). She had to be in hospital, but she didn’t tell her parents about it. During her volunteer work, she did a great job because she worked very hard.
One day when she returned to her room at night, she got a call from another tour guide volunteer. She told her that a woman of the group was badly hurt when climbing the mountains. Hearing that, Yang went to the hospital quickly and decided to stay there and look after the woman.
Yang learnt a lot from the volunteer experience.” As long as I think of the sky there, I can laugh it off, no matter what difficulties I may meet,” she said.What did Yang Yunjing’s friends think of her work?
| A．Exciting. | B．Easy. | C．Relaxing. | D．Hard. |
When did Yang Yunjing start to work as a volunteer?
| A．Three years ago. | B．Four years ago. |
| C．Five years ago. | D．Eight years ago. |
What happened to Yang Yunjing when she first went to Tibet?
| A．She was badly hurt. | B．She missed her parents. |
| C．She got altitude sickness. | D．She didn’t like the food in Tibet. |
Which of the following is Not true according to the passage?
| A．Yang Yunjing didn’t tell her parents about her sickness. |
| B．Yang Yungjing went to Tibet four times as a tour guide. |
| C．Yang Yunjing’s father agreed with her about her choice. |
| D．Yang Yunjing once went to the hospital to look after a tourist at night. |
From the last paragraph, we can learn that .
| A．Yang worked very hard in Tibet |
| B．Yang doesn’t like the sky of Tibet |
| C．it was difficult for Yang to make the choice |
| D．Yang becomes strong after the volunteer experience |
Have you ever been to London? How much do you know about London? Now let me tell you.
London has a population of about 7, 000, 000. From about the year 1800 to 1945, London was the biggest city in the world. But now many cities are even bigger than before.
London is famous for many things. Tourists come from all over the world to visit its famous buildings and listen to the famous clock, Big Ben.
Like many big cities, London has problems such as traffic and pollution, and they stop the city from developing. Every day about 1, 000, 000 people come and go by underground, but there are still too many cars and buses in the streets. So the air isn’t clean. However, it is cleaner than it was 100 years ago.
For me, the best things in London are the parks. There are five parks in the city centre. But my children’s favourite place is Hamleys, the biggest toy shop in the world. Maybe London became the biggest city in the world in______.
| A．1750 | B．1850 | C．1950 | D．1980 |
What does the underlined word “underground” mean?
| A．Ship. | B．Car. | C．Subway. | D．Taxi. |
What are the best things in London for the writer?
| A．Famous buildings. | B．Parks. | C．Cars and buses. | D．Toys. |
---What’s Hamleys in London according to the passage? ---It’s a______.
| A．toy shop | B．museum | C．park | D．clock |
Which of the following sentences is NOT TRUE? ________.
| A．London has a population of about 7, 000, 000 |
| B．London is famous for buildings and Big Ben |
| C．The traffic in the city is easy because of the underground |
| D．The air in London is cleaner than 100 years ago |
Tom and Fred are talking about the year 2020. “What will our world be like in the year 2020?” asks Tom.
“I don’t know,” says Fred.
“What do you think?” asks Tom.
“Well, no one knows, but it’s interesting to guess,” says Fred.
“In the year 2020 everyone will carry a pocket computer. The computer will give people the answer to all their problem. We will have telephones in our pockets, too, and we will be able to talk to our friends,” says Tom.
“A lot of people will live and work under the sea. Machines will do most of the work, and so people will have more holidays. They will be able to fly to the moon by spaceship and spend their holidays there,” says Fred.
“And I hope I will be able to live under the sea,” says Tom. “Won’t that be very interesting? Just like a fish.”Tom and Fred are talking about _______.
| A．their school life | B．some interesting information |
| C．their life now | D．their life in the future |
Machines will do _______ of the work.
| A．most | B．some | C．much | D．little |
In 2020, we’ll talk to friends at all times and everywhere, because we’ll have ______.
| A．pocket computers | B．more holidays | C．pocket telephones | D．go on sale |
Tom says _______.
| A．he likes fish very much |
| B．he’d like to live under the sea like a fish. |
| C．he will go fishing under the sea. |
| D．he will spend holidays on the moon. |
Which of the following is NOT mentioned?
| A．People will be able to fly to the moon in a spaceship. |
| B．People will have more holidays. |
| C．Many people will live and work under the sea. |
| D．People will build farms under the sea. |
A train stops at a station. Many people come out to buy food and fruits. A young man wants to come out, but it starts to rain. A boy stands under an umbrella. The young man says to the boy.
“Can you go and get us two hamburgers, one for you and one for me? Here are two dollars. Be quick!”
“Great!” says the boy and then he goes to buy hamburgers.
After some time, the boy is back. He eats a hamburger.
“Where is my hamburger?” asks the young man.
“Oh, there is only one hamburger left. So I eat my hamburger. Here is your dollar.” What does the young man want to buy when the train stops?
| A．water | B．juice | C．a hamburger | D．an umbrella |
The boy goes to buy hamburgers for him because he has _________.
| A．a hamburger | B．an umbrella | C．a raincoat | D．a dollar |
---Why is the boy so happy to buy them? ---Because_________.
| A．he’s bored | B．it’s raining |
| C．the hamburger is delicious | D．the hamburger is cheap. |
The young man doesn’t ________ .
| A．eat a hamburger | B．buy a hamburger | C．see a hamburger | D．sell a hamburger |
According to the passage, the boy is __________.
| A．smart | B．friendly | C．sly(狡猾) | D．foolish(愚蠢的) |
It is good to keep animals in zoos. Zoos are places for people to see many different kinds of animals from all over the world. Without zoos, most people would never see a real tiger or bear. Secondly, zoos look after the animals very well. The animals are always given food and cleaned on time. In the wild, it is not always possible for an animal to find food, so sometimes it goes hungry. Thirdly, zoos protect the animals. They offer them safe place to live in. In the wild, some kinds of animals are in danger of becoming extinct （灭绝).But zoos give these animals a chance to live. Without zoos, there would be fewer kinds of animals in the world.
However, some people think it is unnatural (非自然的) and unfair（不公平的） to keep wild（野生的） animals in cages. Most animals are kept in cages that are too small for them. The animals such as bears and tigers always look sad in cages. Wild animals should look for their own food. Anyone would not feel happy if he isn't allowed (允许) to go outside his home and animals don't like it either.
判断正误(正确T错误F)If you don't go to a zoo, you can't see dogs.
In the zoos, all animals are happy.
In the wild, animals look for their own food.
According to（根据) the last sentence, we can say animals like to stay in the cages.
The writer is not sure whether it is better for animals to stay in Zoos.
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