This popular sports car is now being ____at the rate of a thousand a week.

问题描述:

This popular sports car is now being ____at the rate of a thousand a week.
A)turned down B)turned out C)turned up D)turned on
说明题目表达的意思
at the rate of a thousand a week.
是什么东西?

这个受欢迎的跑车,现正达到了一周一千辆的生产率~
at the rate of a thousand a week.就是一周一千的效率