According to the passage, some engineers are trying to improve the handlebars because ______.
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1 .In a big city, cars are less important than buses because ______.
A cars carry far fewer people. B car travel is less exciting. C cars are more expensive. D cars are inconvenient.
2 .In order to get off the bus, a passenger has to ______.
A shout to the driver B push some buttons C jump off the bus D ring a special bell
3 .Bus travel nowadays ______.
A is worse than before. B is no better than before. C is more convenient than before. D is the same as before.
4 .What may happen when one is standing in a crowded bus?
A One may be forced to leave the bus. B One may not have to pay the fare. C One may become suffocated. D One may lose one’s balance.
5 .We can deduce from the fourth paragraph that in former times bus services were ______.
A eventful B irregular C efficient D well planned
7 .In paragraph 2, the author mentions a study of serious abdominal injuries ______.
A to discuss how abdominal injuries in children occur B to show that more than a third injuries were caused by bicycle accidents C to point out what the countermeasures can be D to tell us why Kristy Arbogast began the project
8 .Paragraph 3 mainly discusses ______.
A why the children and their parents were interviewed B when the children tom the handlebars through 90 degrees C what causes the children to topple over D how serious injuries occur
9 .The passage implies that ______.
A it is not easy to persuade manufacturers to adopt the new design. B the team of engineers has not found any countermeasures. C children like to ride bicycles at a very low speed. D a lot of children were killed in bicycle accidents in the past 30 years.
10 .The new handgrip works in which of the following ways?
A It call be commercialized. B It reduces the dangerous forces in bicycle accidents. C It adds a few dollars to the cost of a bike. D It changes the direction of the handlebars in all impact.
