必修3 unit4 language points.ppt

What it was to become was uncertain until … 与time相关的短语: on time 准时；按时 in no time 立即；马上 at a time 一次；每次 at one time 曾经；一度 at times 有时 ahead of time 提前 take one’s time 别着急；慢慢来 What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas. What 引导主语从句 allow sb. to do…= permit sb. to do… My father doesn’t allow_________ at home.(吸烟) In fact he doesn’t _________________ anywhere at any time. This produced a chain reaction, which made it possible for life to develop. a chain reaction 连锁反应 Make it possible to do 使…. 成为可能 make it + adj.+(for sb.) to do sth. 组长让我们可以一起合作. The group leader ____________________________ 十年后,他第三次来到这里. Ten years later, he came here ______________ 这是我第二次见到他. It is_____________________________. 7. The laid eggs too and existed on the earth… exist in 存在与…之中 exist on 靠…为生 exist by 靠…生存 It was impossible for them to ________such a small income. The universe ________space. Remain 1)系动词. 保持, 仍然是+adj 实际上，这个工作仍然是未完成的。 In fact, the work remained unfinished 3)Remain to be done 有待,尚待 你是否正确，有待于看。 It remains to be seen whether you are right. 2)remaining adj. 剩下的 剩下的学生将会服务观众。 The remaining students will serve for the audience. * Language points Unit 4 考纲知识预览 重点单词 1． n．系统；体系；制度 2． n．学说；理论 3． n．球体；地球仪；地球→ adj.全球性的；全世界的 4． adj.猛烈的；激烈的；强暴的→ n．暴力 5． n．大气层；气氛 6． prep.不同；不像 7． adj. 有害的→ vt. n．损害， 伤害 global system theory globe violent violence atmosphere unlike harmful harm 1.What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. 【巧应用】　使大家惊奇的是他竟没有参加会议。 ________ ________ ________ ________ ________he didn’t come to the meeting. 答案：What surprised everybody is that (1)表示命运，“将来不可避免要发生的事”。“注定” They?said?goodbye,?little?knowing?they?were?never? t