0410语法请教－－第31题

edith_nana2000

31. Statistics (indicate) that (approximate) every 22 years-- within a range of 3 to 4 years-- a (major) drought (occurs) in the united states.

有人选indicate 认为主语是单数 但我选approximate 应该用副词 不知哪个好呢

请牛人指教

谢谢

gre3333

同意楼主，选approximate.

statistics[用作单数] 统计学；[用作复数]统计, 统计数字[资料], 统计表