The passage implies thatA.it is not easy to persuade manufacturers to adopt the new design

外语类 公共英语 已帮助 人

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.

热搜:投资利率系数对is曲线的影响