能力是指顺利完成某种活动所必需的并直接影响活动()的个性心理特征
A.质量
B.节奏
C.效率
参考答案:C
— _____ have you been learning English?
— I have been learning English for six years. [ ]
A. How long
B. How often
C. How far
我国海上货物运输保险合同的基本险别包括:()
A.特别险
B.平安险
C.一切险
D.水渍险