阅读短文回答下面问题,前四题答案不超过5个词。

Internet is educational. Many people think children should be allowed to surf the Internet as they wish. In this way , they can look through different subjects on different kinds of websites according to their own interests. But in my opinion, children should always be watched while surfing the Internet .

Many websites have information and pictures that children should not see. There are many things that children don’t understand. All of these may have some bad influence on children’s development. Also, it is dangerous to let children chat in rooms by themselves. Many parents tell their children not to talk to strangers on the street, so they should be careful of whom their children talk to on the Internet too. What’s more , sitting in the front of a computer for a long time isn't good for children’s eyes, so parents should monitor(监视) the time that children spend on the Internet.

In a word, children should be kept away from anything that could be bad for them. I strongly believe that it is necessary for parents to watch their children when they use the Internet.

1.When should the children always be watched in the writer’s opinion ?

__________________________________

2.What do the parents tell children to do when they meet strangers on the street ?

__________________________________

3.Why shouldn’t children sit in front of a computer for a long time ?

__________________________________

4.Who can help children stay away from the bad influence on the Internet ?

__________________________________

5.What does the writer want to tell us in the passage ?

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Nowadays, the food that you buy comes from many different countries. Have a look in your fridge, cupboard, and fruit bowl and check the origins(来源) of the food. Perhaps there are apples from California, lamb from New Zealand, or potatoes from Egypt? You will probably be surprised how far food travels to get to your plate. This journey, from “field to plate”, is called “food miles”. A food mile is the distance that food travels from the farmer's field to the person who buys the food. Nowadays, food often travels thousands of miles to get to the consumer(消费者). Why is this, and what are the effects(影响) of these long distances?

Traditionally, farmers sold their food in the local market, so the food didn't have to travel very far. The consumers also did not travel very far because they went to their local market to buy the food. This was a good system for farmers and consumers. However, there were some disadvantages. For example, consumers could only buy food that farmers produced locally. In addition, they could only get food that was in season. Now, because of modern technology, food comes from all over the world. We do not have to wait for spring or summer to buy strawberries or tomatoes. They are available in winter if we want.

Some countries have to import(进口) most of their food. This is because they have difficult climates. The United Arab Emirates(UAE), for example, gets 85% of its food from other countries. Even food made in the UAE often uses imported materials.

What's wrong with “food miles”? Is this not a good way of increasing international trade? I believe these miles are worrying for a number of reasons. First of all, because food travels such long distances, we need more planes, lorries, and ships to move the food. This means we use more oil or petrol, so there is more pollution and more global(全球的) warming. In addition, food that travels a long way is not fresh and usually not very tasty. Tomatoes, for example, are picked early and stored for their long journeys. For this reason, they are usually tasteless when they get to the consumer. Local food has a better taste, and it also reduces the amount of global pollution. We need to buy more local food.

1.What is called “food miles” according to this passage?

A. The origins of the food.

B. The effects of longs distances .

C. The journey from field to plate.

D. The disadvantages of imported food.

2.The underlined word “available” in Paragraph 2 most probably means “________”.

A. easy to get B. not busy

C. willing to talk D. Impossible to get

3.Some countries, like the United Arab Emirates, have to import most of their food because of ________.

A. long distances B. difficult climates

C. fresh and tasty food D. modern technology

4.The writer uses the LAST paragraph mostly to encourage readers to ________.

A. buy more local food B. increase international trade

C. travel long distances D. use imported materials

5.This passage is mainly about ________.

A. how local food travels from field to plate

B. what “food miles” is and its effects

C. how some countries import their food

D. where different kinds of food come from

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