1.When asked ____ electrical bikes are prohibited in Hangzhou,the government's explanation
_____ riding them is a high risk of a severe traffic accident obviously didn't satisfy the public.( )
_____ riding them is a high risk of a severe traffic accident obviously didn't satisfy the public.( )
A. | why;which | B. | how; which | C. | why; that | D. | how,that |
20.This notice _______ aimed at increasing people's awareness of the problem__________ it has become quite extreme.( )
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A. | is; before | B. | was; because | ||
C. | is; because | D. | has been; before |