The engineers are trying to improve the handlebars because The advantage of the new handgrip is that

admin2012-09-10  12

问题 The engineers are trying to improve the handlebars because
The advantage of the new handgrip is that

选项 A、it can be made cheaply.
B、it reduces the impact in bicycle accidents.
C、it helps to slow down the speed of the bicycle.
D、it sells well at bicycle shops.

答案B

解析
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