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[材料题] (1)Cars are lots of fun, dangerous. We have to be careful when we drive them or ride in them. (2)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(滑板) 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.(3)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.(4)Volvo, a famous Swedish carmaker, was the first to use seat belts in 1949.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.(5)Newer cars have air bags in front of and next to the seats. When a car hits something, its airbags will come out quickly in less than one second―to keep the people inside safe.
单项选择题1.We have to be careful in driving a car mainly because it could be___________.

A、little fun

B、a pleasure

C、a lot of trouble

D、a great danger

  • D

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单项选择题2.Which of the following statements is TRUE?

A、People with seat belts tied will always be safe in cars.

B、Volvo was the first carmaker to use seat belts in cars.

C、Air bags will come out before the cars hit something.

D、All cars have air bags in front of the seats.

  • B

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单项选择题3.The best title for this passage is__________.

A、Buy a Volvo with Airbags

B、Make a Car Safe Inside

C、Fasten Your Seat Belts

D、Add Air Bags to Cars

  • B

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单项选择题4.According to the passage, air bags are another device that__________.

A、adds safety to car driving

B、is going to replace seat belts

C、comes out slowly to function

D、prevents cars from running too fast

  • A

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单项选择题5.The example of an egg on a skateboard is used to show that__________.

A、eggs break easily on a moving skateboard

B、cars suddenly

C、seat belts are important to safety

D、driving is a dangerous act

  • C

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