Mrs. Smith made her students _       the compositions three times a week.              

A. write                    

B. to write              

C. written                    

D. writing

女性，35岁。跌倒时腕关节屈曲，手背着地受伤。伤后腕关节肿胀、疼痛1小时来院。该患者的诊断首先要考虑（）

A.Colles骨折

B.Smith骨折

C.Barton骨折

D.下尺桡关节脱位

E.手舟状骨骨折