46.【2020•武汉市】In the past 70 years, China________historic changes and made great achievements.
A. experienced B. experiences
C. has experienced D. would experience
【答案】C
【解析】句意：70年来，中国经历了历史性的变化，取得了巨大成就。考查时态。A项为一般过去时；B项一般现在时；C项为现在完成时；D项为过去将来时。根据关键短语In the past 70 years可知，应该使用现在完成时，故选C。