单项选择题
There is need to check the（）of the report.
A.frequency B.accuracy C.emergency D.efficiency
单项选择题 Her pulse was so weak that the doctor had difficulty（）it.
单项选择题 Accidents are of frequent（）on this motorway because the traffic is extremely heavy here.
单项选择题 According to the weather（）, it's going to be fine today.
