人教版高中英语必修3unit4课件—育英科技王衡英语.pptVIP

易学;Unit 4 Astronomy: the science of the stars;一、词汇与重点词;astronomy (n);dissolve (v);biology (v);break out; 1.in time: sooner or later; eventually 迟早;最终 我迟早会遇见他. I’ll see him in time. in time (for sth. /to do sth.): not late 及时；不迟 她会及时回来准备晚餐. She will be back in time to prepare dinner. 你认为我们能及时赶上火车吗? ; 与time相关的短语: on time 按时;准时 in no time 立刻,马上 at times 有时 at a time 每次;依次 once upon a time 从前 at one time 从前 for the time being 暂时 from time to time 不时地 ;allow … to …= permit …to do… harmful adj. Opp: harmless ; harm n./v. be harmful to sb./sth.= do harm to sb. /sth. =do sb/sth harm 对…有害;3.This produced a chain reaction, which made it possible for life to develop. Chain reaction 连锁反应 Make it possible for life to develop. 使生命的发展成为可能 make it + adj./n. sb. /sth. to do sth. 老师让他们跟容易地明白那个问题. The teacher _________________________________.;4.Others, called amphibians, were able to live on land as well as in the water. 另外一些叫作两栖动物,它们既能在陆地上生活也能在水里生存. as well as 表示“(除….之外)也; 既……又”. 如:I’m learning French as well as English. 我学英语之外还学法语. He grows flowers as well as vegetables. 他既种菜也种花 He as well as I ______ rock music. . “就远原则” ;5. They produced young generally by laying eggs. ;1) multiply v. 乘: 增加,繁殖；;7.They laid eggs too and existed on the earth for more than 140 million years. exist in 存在与…之中；exist on 靠…为生 It was impossible for them to ________such a small income. The universe _________space. ;8.These animals were different from all life forms in the past, because they gave birth to young baby animals and produce milk to feed them. give birth to 1) 生（孩子） She’s just given birth to a healthy baby girl. 她刚刚生了个健康的女婴。 2) 产生 The extraordinary experience gave birth to his latest novel.