无意注意的特点

实验室制取CO2 实验室制取CO2 产生CO2速率的原因有那些? 用make/laugh,造句,用make/headmaster,造句,用not let/watch tv,造句, 英语翻译主要是我们的外教要我们把中文歌自己翻译成英文的.觉得这首歌好唱,但是不会太翻译,希望有人能帮忙翻译成中文,也能够和伴奏相伴! the way to teach is to set a good example oversimplifies.请大神帮我分析一下这句话的成分即主谓宾等并且告诉我做主谓宾的是什么成分? Joan 用中文翻译要怎么读呀. He could not find his fifty pence anywhere nor could he get his arm out.这句怎么理解,主要是nor那里~讲详细点~谢谢 请教下在Word中如何统计纯汉字个数　帮帮着急的人吧, this is my _______(three) trip to Tibet. What happened to the saleswoman?I don't know.She____around heere for a while.A\hasn't seen B\hasn't been seenC\didn't D\hasn't been seeing self-employment是啥意思啊? 问两道关于表语从句的题!1.—I fell sick!--I think it is _______ you are doing too much.A.why B.when C.what D.because2.The reason why he hasn’t come is ___________.A.because his mother is ill B.because of his mother’s being illC.that hi 34.If you had enough money,what ________?A.will you buyB.would you buyC.would you have boughtD.will you have bought35.If you ________ that film late last night,you wouldn't be so sleepy.A.didn't see B.haven't seen C.wouldn't have seen D.hadn't seen34 understanding是什么意思