Question

【题目】Thanks to Dr.Yuan Longping，the output of rice________steadily in China in the past few years.

A. increased B. has been increasing

C. is increasing D. increases

Answer 1

【答案】B

【解析】考查时态。句意：多亏了袁隆平博士，在过去的几年里，中国的稻米产量一直在稳步地增长。根据句意可知，稻米产量在过去几年里一直在增长，并且有可能继续增长。应用现在完成进行时。故答案为B。