For example, one explanation for why a cell may deliberately destroy itself is if its sacrifice lowers the viral load on closely related cells nearby. 经济学人最新一期的一句话,这个句子是由if引导的表语从句吗?
朗文place词条有一例句,Did the accident happen at your place of work.工作地点。 学生分析work表示该place的功能,即该place是用来干嘛的,此处应用for,即your place for work. 查了of用法,并无表“功能、用途”含义,请老师解惑!!!谢...
But there seemed to be no spark, no daring, no madness, no readiness to engage the individual child's mind as anything other than raw material for statistical reductions.想请教各位老师,as anything在这里是什么用法 谢谢!
Sentence 1:We came out without making any noise.Sentence 2:I finished the task without make any mistakes.在sentence1中,noise是指“声响”(而非“噪音”),故可数,有复数形式noises,那么为什么sentence1中却没有加s,而sentence2中却加了s(mistakes)?谢...