消防给水系统需停水维修时，必须经过消防监督机构批准，并安排有效的后备措施。
参考答案：错
踝关节内翻位扭伤后最易损伤：（）
A.距腓后韧带
B.腓跟韧带
C.胫舟韧带
D.距胫前韧带
E.距腓前韧带
The result suggested that you ___. So I suggested that you ____ harder in the future. [ ]
A. fail; studied
B. failed; studied
C. failed; study
D. fail; study
