必修3_Unit_4单词课件

1、Unit 4Astronomy：the science of the stars1. in time 及时；迟早，终于，及时；迟早，终于， against time 争分夺秒；抢时间ahead of time提前，提早all the time一直；始终as time goes by随着时间的推移at no time绝不，在任何时候都不at one time曾经，一度 (1)To complete the project in time，the staff were working at weekends. 为了按时完成工程，全体员工周末都在上班。为了按时完成工程，全体员工周末都在上班。 (2)

2、The flowers were so lovely that they were sold . 这些花是如此可爱以致于它们很快就被卖光了。这些花是如此可爱以致于它们很快就被卖光了。 (3)He can be really badtempered . 他有的时候脾气可真坏。他有的时候脾气可真坏。in no time at times down ones life laid off laid some money aside lying lied laid laid lie A hen _ in the corner quietly. After a while the hen _ an egg

3、. But the man _ to his wife that the egg was bought in the shop _ in the centre of the town. Fill in the blanks with the correct form of lie or lay.laylaidliedlying3. exist vi. 存在；生存存在；生存exist in存在于之中exist on靠为生come into existence产生；成立；开始存在in existence存在1完成句子(1)The laidoff workers mainly _ (靠面包和茶生存)

4、 (2)Do you know when the new Marriage Law _ (开始实施)?(3)有一个解决目前地理问题的好方法。(汉译英)_exist on bread and teacame into existenceThere exists a good way to solve the existing problem in geography4. in ones turn 轮到某人；接着轮到某人；接着in turn依次；转而；反过来by turns轮流；交替take ones turn轮到某人turn down关小；拒绝turn up调大；出现turn off关(水、煤气

5、或电灯等)turn on开(水、煤气或电灯等)turn to转向；求助于turn out制造出；原来(是)；证明(是)；结果(是)turn over翻过(书页)；移交；(使)翻滚turn in交出；上缴 A drizzling rain falls like tears on the Mourning Day, The mourners heart is going to break on his way. Where can a wineshop be found to drown his sad hours? A cowherd points to a village of apricot

6、 flowers. Do not stand at my grave and weep, I am not there, I do not sleep. I am in a thousand winds that blow, I am the softly falling snow, I am the gentle showers of rain. I am in the morning hush, I am in the graceful rush, I am the starshine of the night. I am in the flowers that bloom, I am i

7、n a quiet room, I am in the birds that sing, I am in each lovely thing. Do not stand at my grave and cry, I am not there. I do not die.Yesterday is history, tomorrow is a mystery, but today is a gift, that is why its called present.完成句子(1)We make every effort to make more cars，and _ (反过来)this create

8、s further environmental pollution.(2)We _ _ (轮流守望)(3)He _ (求助于我)whenever he has difficulties.in turnkept watch by turnsturns to me(4)Unexpectedly，the weather _ (结果是)pretty nice that day.(5)The boy tried to join the club，_ (但被拒绝了)turned outbut was turned down 5prevent.from阻止；抑制阻止；抑制 n防止，阻止，妨碍防止，阻止，妨碍

9、 prevent sb. (from) doing sth. stop sb. (from) doing sth. keep sb. doing sth. keep sb doing sth 使某人一直做某事使某人一直做某事 protect sb. from.保护某人不受保护某人不受的侵的侵袭；挡住；防御袭；挡住；防御prevention from 注意：被动语态中上述搭配中的注意：被动语态中上述搭配中的from都不可省略。都不可省略。 (1)These gases act like the glass of a greenhouse in that they allow energy fro

10、m the sun to enter but prevent energy from leaving. 这些气体起到像温室玻璃一样的作用，它们允许这些气体起到像温室玻璃一样的作用，它们允许来自太阳的能量进入却阻止能量离开。来自太阳的能量进入却阻止能量离开。 (2)They would prevent/stop/keep the rich from robbing the poor. 他们要制止富人掠夺穷人。他们要制止富人掠夺穷人。 (3)He raised his arm to _ being hurt. (4)Prevention is better than cure. 治病不如防病。治病

11、不如防病。 People will thank the firefighters for the things they do to prevent fires_ the environment safer. Amake Bto make Cfrom making Dmakingprotect her children from B puzzling puzzled puzzlement in 2. Puzzle 等系列词的用法等系列词的用法 The math problem is a _ to every student. So the teacher explained it carefu

12、lly. However, what the teacher explained _every student. Thats to say, what the teacher explained remains _ or every student was _ at/by what the teacher explained. Thus, there are _looks on every students face. In short, the _problems puzzled everyone again.puzzlepuzzledpuzzlingpuzzledpuzzledpuzzli

13、ng7. Suffix 后缀后缀 （构词法的一种）（构词法的一种）art (艺术）艺术）physics（物理学）（物理学）chemistry（化学）（化学）biology（生物学）（生物学）Geology（地理学）（地理学）science（科学）（科学）economy（经济）（经济）History（历史）（历史）artistphysicistchemistbiologistgeologistscientisteconomisthistorianartisticphysicalchemicalbiologicalgeologicalscientificeconomichistorical8 no

14、w that 既然，由于，是连词词组，引导既然，由于，是连词词组，引导原因状语从句，表示明显的原因或即成的事原因状语从句，表示明显的原因或即成的事实实. 其他引导原因状语从句的连接词；其他引导原因状语从句的连接词； because因为因为(语气较重，常用于回答语气较重，常用于回答why的提问的提问) since因为，既然，由于因为，既然，由于(可与可与now that互换互换) as因为因为(语气较弱语气较弱) for因为因为(并列连词，引导一个分句，不能置并列连词，引导一个分句，不能置于句首，表示进一步补充说明于句首，表示进一步补充说明) (1)It must have rained las

15、t night，for the ground is wet. 昨天晚上一定下雨了，因为地是湿的。昨天晚上一定下雨了，因为地是湿的。 (2) you have finished your work，youd better have a rest. 既然你的工作已经做完了，最好休息一下。既然你的工作已经做完了，最好休息一下。Now that Now that everyone is here，lets beginour class.Since you have come，why not just stay? 9watch out for 密切注意；当心；提防密切注意；当心；提防 (1)watch for 等待等待 watch over 照顾；监督；保护照顾；监督；保护 (1)I advised them to slick spots on the sidewalk. 我建议他们当心人行道上