试题详情

The purpose of non‐REM sleep is even more mysterious.The new experiments,such as those（ ）for the first time at a recent meeting or the society for Sleep Research in Minneapolis,suggest fascinating explanations for the purpose of non REM sleep.

本题测试语义搭配。句中提到在某次会议上“讲述”的试验，故选described最为贴切。A.maintain“主张；维持”，C.settle“解决”和D.afford“担负得起；供给”，均不符合上下文的逻辑搭配。