题目内容

Which do you prefer to use to keep in touch with your friends, QQ______ WeChat? A. or B. and

C. so D. but

 

A

【解析】

试题分析:句意:你比较喜欢用哪一种方式与你的朋友保持联系,QQ还是微信?A or或者,表示选择。B and并且,表示并列;C so 所以,表示因果;D but但是,表示转折。故选A.

考点:考查连词的用法。

 

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Imagine the situation. You are driving along a desert or on a mountain. You have no idea where you are. You passed the last house two hours ago. Then your car breaks down. It is night and it is cold. You have no mobile phones. What do you do? Well, next time take a GPS with you. This invention may be able to help you. It is a device which uses satellites (卫星) to find the user’s position(位置). It can find your position to within 20 meters. A GPS cannot start your car, but at least you will know where you are.

GPS, which means Global Positioning System, is a small radio receiver. It looks like a mobile phone. You can hold it in your hand, or put it in your pocket. It is sometimes put into a watch or a telephone. We also find GPS devices in cars, planes, or boats. Some of these devices have electronic maps, so you know where you are. For example, in a city they can tell you the name of the street.

There are three parts to the Global Positioning System. The first part is the receiver. You can hold it in your hand, or have it fixed into your car, plane, etc. The second part is a group of satellites orbiting the Earth. The receiver contacts at least four of the satellites and calculates its position. The third part of the system is a network of ground stations. They are all over the world. They control satellites and make sure they are working well.

Some people think that in the future the GPS will be as common as the mobile phones. They are becoming cheaper and more and more accurate. There are also new uses for the GPS. Perhaps they will be like watches. Everyone will have one and you will never get lost again.

1.. According to the passage, with the help of the GPS, people __________.

A. can’t find their directions in different countries

B. can always find where they are

C. can learn about the culture of an unknown place

D. can spend the least time getting to another place

2.. The underlined word “They” in paragraph 3 means ____________.

A. Receivers B. GPS devices

C. Satellites D. Ground stations

3. We can learn from the passage that ____________.

A. GPS can’t be put into a watch

B. GPS are becoming dearer and dearer

C. People can start their cars with a GPS

D. People can’t lose their way with a GPS when driving

 

It was a cold day, but the students from Prosser Middle School in Chicago were sorting through the waste when they found that their school produces 1,500 pounds every day.

Prosser is just one school that throws out nearly 4,000 meal trays every day. Counting all of Chicago’s public schools, the number comes to nearly a quarter of a million a day. That’s more than 1 million a week and about 5 million a month.

“None of the trays are being recycled,” said a teacher. “ Everyone agrees that it’s very bad.”

Luckily, concerns about the environment and health have made some US cities take action. Dozens of schools have begun programs to reduce the use of food trays in school.

These schools have also banned (禁止)some fast food, including McDonald’s. Instead, they offer students recyclable trays. They encourage students to sort out lunchroom waste, then wash and recycle milk cartons and trays . So far, the program has helped schools to save a total of 820,000 trays each week.

Jay Stream Middle School in Illinois teaches its students how to collect trays. The school has cut its lunchroom waste by two thirds now that students recycle their used trays instead of breaking them.

Prosser Middle School also sees the benefits of the program. Students have organized about 20 clubs and volunteer activities to cut down on cafeteria garbage. They now recycle 80 percent of the school waste. “ I joined the club,” said Erika Santana, a 16-year-old junior in Prosser, “because I want to make Earth a better place.”

food tray

1.Did Prosser Middle School create much garbage every day before the program ?

2.How many meal trays do public schools in Chicago throw out a day?

3.. What does Jay Stream Middle School teach its students to do?

4. Who joined the club?

5. What’s the passage about ?

 

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