题目内容

Cars are lots of fun, but they could also be dangerous. We have to be careful when we drive them or ride in them.
It's always a good idea to put on your seat belt when you're in a car. Why? Think about this example: You put an egg on a skateboard and give it a push. If the skateboard hits a stone, it will stop, but the egg won't. It will fly through the air, hit the ground and break.
Now, think what would happen if you tied the egg to the skateboard. When the skateboard hits a stone, the egg won't go flying; it will stay safely on the skateboard.
Volvo, a famous Swedish carmaker, was the first to use seat belts in 1849.
Air bags are also very important for car safety, because sometimes a seat belt isn't enough. If the car is going really fast and runs into something, seat belts could even hurt the people who wear them. Most new cars have air bags in front of and next to the seats. When a car hits something, its air bags will come out quickly in less than one second to keep the people inside safe.
【小题1】The passage mainly tells us                  .

A.two important ways to keep safe in carsB.how air bags work to make cars safe
C.how seat belts work to make cars safeD.why we must tie the egg to the skateboard
【小题2】The writer gives the example of the egg to _.
A.tell us that eggs are easy to break
B.show how to wear a seat belt
C.show why it's important to wear a seat belt in a car
D.tell us what a skateboard is
【小题3】Seat belts can make us safer because .
A.we are interested in them
B.they can stop us from hitting other cars
C.they can help us stay safely on the seats
D.they are made of strong materials
【小题4】Air bags are important for cars because _.
A.they are made of plastic
B.they can also help us to keep safe in a car
C.they can keep cars running slowly
D.they are put in front of and next to the seats
【小题5】Which of the following is TRUE according to this passage?
A.It won't be dangerous if there are seat belts or air bags in a car.
B.Now most of new cars still have only one air bag.
C.When a car hits something, its air bags will come out a few minutes later.
D.Volvo was the first to use seat belts.


【小题1】A
【小题1】C
【小题1】C
【小题1】B
【小题1】D

解析

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根据短文内容及首字母提示,填写所缺单词,并将答案填写在答题卡相应位置上。

Did you know that you can help the environment if you buy recyclable products instead of non-recyclable ones? Look for the recycle s  1.   – three arrows that make a circle – on the package. Recyclable products are usually made out of things that already have been u 2.   . It usually takes less energy to make recycled products than to make new ones. The more energy we save, the b  3.  .

Imagine that it's a hot summer day. You put an ice cream on the sidewalk, and it melts. W  4.   does this happen? Well, you probably know that the sun causes the ice cream to melt. But you may not know that the sun produces solar energy. Solar energy is a 5.    way of saying "energy that comes from the sun." Solar energy can be used to heat homes, buildings, water, a6.     to make electricity. Today, more than 200,000 houses in the United States make use of the s 7.    energy.Cars are an important part of life for most people. But cars also cause pollution and give out a lot of greenhouse gases into the air. L 8.   , there are some cars that are better for the environment. These cars can travel longer on a smaller amount of gasoline. They don't p  9.    as much, either. Using these kinds of cars can help reduce the amount of greenhouse gases in the air.

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