Inexperiments________youngteens

发布时间:2020-07-28 03:44:15

In experiments ________ young teens are allowed to sleep as long as they want, they tend to sleep an average of 9 hours.A.thatB.whatC.whichD.where

网友回答

D解析句意:在允许青少年想睡多久就睡多久的试验中,他们的(自然)睡眠时间往往是平均9个小时。本题考查定语从句,先行词为experiments,在定语从句中作状语,因此要用关系副词where。
以上问题属网友观点,不代表本站立场,仅供参考!