《高中英语Unit4AstronomythescienceofthestarsReading语言点讲解课件新人教版必修》由会员分享，可在线阅读，更多相关《高中英语Unit4AstronomythescienceofthestarsReading语言点讲解课件新人教版必修（16页珍藏版）》请在金锄头文库上搜索。
1、Language points,1. What it was to become was uncertain until ,他昨天直到七点才离开学校.,He didnt leave school until seven oclock.,他们到了中国才能看了长城.,The couldnt see the Great Wall until they came to China.,It was not until they came to China that they could see the Great Wall.,Notuntil直到才,It is/was not until that 强调
2、句,It was not until seven oclock that he left school.,2. (sth) be to (do): 1. 不可避免要发生或必须发生。 They said goodbye, little knowing that they were never to meet again. She is to be honoured for this great work.,2 表示按计划、安排要发生的动作,We were to have been married last week The train is to arrive in BeiJing at 10:
3、25,Tell her she is not to be back late!,3 表命令,3. They were in time to produce carbon, which were to make important is in time: 及时;最终 in time (for sth. /to do sth.): 及时；不迟 我迟早会遇见他. Ill see him_. 她会及时回来准备晚餐. She will be back _ prepare dinner. 你认为我们能及时赶上火车吗?,Do you think we can get there _the train?,in
4、 time for,in time,in time to,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,cool 1) v. Please open the window to cool the room. Dont drink the tea before it cools a little.,2) adj. 凉爽的，冷静的，沉着的，冷漠的，冷淡的 be/get/seem/keep cool His songs received a cool respons
5、e from the public.,4. As the earth cooled down, water began to appear on its surface. 随着地球的冷却, 地球的表面就开始出现了水。,cool down,a.凉快起来，冷却,b.指人的心境“平静下来，使平静下来”,A heated argument can be settled better if both sides cool down first. I tried to cool her down but she was still very angry when she left. Dont cover
6、the TV until it cools down.,allowed the earth to dissolve harmful gases allow sb. to do= permit sb. to do My father doesnt allow_ at home. In fact he doesnt _ anywhere at any time. 2) Harmful adj. Opp: harmless harm n. be harmful to sb./sth.= do harm to sb. /sth. 对有害,过多的二氧化碳对环境有害. Too much carbon di
7、oxide is harmful to / does harm to the environment.,smoking,allow us to smoke,6.This produced a chain reaction, which made it possible for life to develop. 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 _ 老师让他们很容易地明白那个问题. The teac
8、her _.,made it possible for us to work together.,made it easy for them to understand the question.,7.They multiplied and filled the oceans and seas with oxygen, which encouraged the,1) Multiply v. 乘,增加,繁殖,蚊子在夏天繁殖得很快.,Mosquitoes multiply rapidly in summer.,2) encourage v. 鼓励,促进 encourage sb. to do st
9、h 老师鼓励我们上课说英语. The teacher encourages us to speak English in class.,我那是第一次见到她. I saw her_ . 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_. 第一次见到他,我就爱上了他. I loved him _.,the second time that I have seen him,the first time I saw him,for the first time,for the third time.,8. The laid
10、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.,exist on,exists in,The wild man _hunting wild animal in the forest.,existed by,9. Remain 1)系动词. 保持, 仍然是 In fact, the work remained unfinished 2)remainin
11、g adj. 剩下的 The remaining students will serve for the audience. 3)Remain to be done 有待,尚待 It remains to be seen whether you are right.,10. which prevents heat from escaping from prevent (from) doing sth. 阻止做某事 同义词组： stop (from) keepfrom（此处from不能省）,我们被阻止在课室吃早餐,We are prevented/kept/stopped from having
12、 breakfast in the classroom.,11.millions of years to come will depend on whether depend on sb. 依靠,相信某人 depend on sth. 取决与某物 我们都靠你来做决定了 Well all _to make a decision. 明天是否能开校运会取决与天气 Whether to hold the sports meeting or not will _.,depend on you,depend on the weather,Word study:,Translate the following into English,把当作 太阳系 总有一天；及时 一般地说来 信赖；取决于 目前 做出选择 天文学 氧 阻止,think of as solar system in time generally speaking depend on at present make choices astronomy oxygen prevent from ,Goodbye!,thanks!,
