高一英语必修一unit4单词ppt课件.ppt

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1、Unit4 Earthquakes,1.earthquake n. 地震earth n. 地球 quake vt. 震动，地震Eg: It is reported that an earthquake broke out last night in Southeast Asia.,2. right away 立刻；马上同义词： right now= at once= in no time= immediately注意：right now除表示“立刻，马上”之外，还表示“现在，此刻”，比now的语气强，相当于at this moment, at present，用于进行时。,3. well n.

2、 井Eg: A book is a well of knowledge. adj. 健康的Eg: I hope you will get well soon. adv. 熟练地，有效地Eg: He plays the piano very well for his age.,4. smelly adj. 有臭味的，发臭的Eg: His socks are smelly.词根：smell 可用作系动词或实义动词，用作系动词时，意为“闻起来”；用作实义动词时意为“闻”Eg: You may smell the mixture and it smells terrible.,blood + -y =

3、 bloody rain + -y = rainy cloud + -y = cloudy wind + -y = windy snow + -y = snowy greed + -y = greedy dream+-y = dreamy taste+ -y = tasty ice + -y = icy fat + -y = fatty mud+ -y = muddy fog + -y = foggy sun + -y = sunny,流血的,多云的,下雪的,幻想的,冷漠的，冰的,泥泞的,肥胖的,下雨的,多风的,贪婪的,美味的,阳光灿烂的,有雾的,5. burstv.（使）爆裂；（使）破裂；（

4、使）爆炸Eg: The balloon suddenly burst.v.猛冲；突然出现Eg: He burst into the room without knocking.burst into+ n.=burst out doing sth. 突然起来,eg: 她突然笑起来。 She burst out laughing. = She burst into . 他突然大哭起来。 He burst out crying. = He burst into .,laughter,tears,6. event n.1 C（尤指涉及几个人的）事件，大事Eg: That was an importan

5、t historical event.2C（体育比赛等的）项目，赛事Eg: The Olympic Games are important events in the sports world.,7.as if 似乎, 好像 = as thoughEg:She spoke to me as if she knew me.as if后还可跟名词、形容词、不定式等He acts as if (he was) a fool.She left the room hurriedly as if(she was) angry. as if 在表语从句中相当于that: It seemed as if th

6、e meeting would never end. It seemed as if the world was at an end!= It seemed that the world was at an end!,8. at an end 结束，终结eg: 炎热的天气终于结束了。 The hot days are at last at an end. The hot days come to an end at last. be at an end = come to an end 结束辨析：at an end, in the end, at the end of, by the end

7、of,1). at an end: 表示“终结，结束”，与be动词连用。eg:The war was at an end.= The war came to an end.2). in the end: 表示“最终，终于”，单独使用作状语。eg: They gave up the plan in the end. (at last)3). at the end of: 表示“在的尽头/末尾”eg: My father will come home at the end of this year.,4). by the end of: 到末为止，常与完成时态连用。 by the end of l

8、ast用于过去完成时 by the end of next用于将来完成时eg: 到上个月末为止，他在那条船上已经待了两年。 By the end of last month, he had been on that ship for two years. 到下学期末为止，我将学会3000多个英语单词。 I will have learned more than 3000 English words by the end of next term.,8. ruin n. U 毁坏；毁灭；灭亡 n. 倒塌的建筑物，废墟Eg: The castle now is in ruins.注意：ruin表示

9、“废墟，遗迹”，常用复数，常构成in ruins，意为“严重受损，破败不堪”，强调状态，常用作表语或状语。（3）v. （完全地）毁坏，毁掉；使破产Eg: I was ruined by that news.拓展： bring sth to ruin 使某物毁灭 bring sb to ruin 使某人破产,9. extreme （1）adj. 极度（大）的；严重的；极端的；过分的Eg： Boys always like extreme sports 拓展：extremely adv.极端地;非常，很;Eg： My mobile phone is extremely useful.,2.An a

10、ccident his left eye.,4.I dont want to you.。,1.The soldier was badly.,3.Smoking seriously his health.,10. 辨析：injure, hurt, wound, 和harm,wounded,injured,harmed,hurt,11. track （1）n. C 足迹，踪迹；轨道，跑道Eg: We followed the bears tracks in the snow.（2） vt. 跟踪，追踪Eg: We continued tracking the bears track.,12. us

11、eless adj. 无用的，无效的，无价值的Eg: He knew it was useless to protest.固定句式： It is useless (no use) doing sth. 做某事是无用的 it is no good doing sth. 做某事是不好的It is no use crying over spilt milk. 覆水难收It is no good copy others homework.,13. shock v. 使震惊；使惊愕；使难以置信搭配： be shocked at 对感到震惊 be shocked to do sth 惧怕做某事 eg: I

12、 am shocked at the bad news.搭配:be a shock to sb 对某人来说是一个打击 eg: It was a real shock to me that the school would have to close.,14. rescue （1） n. C,U 救援，营救；救援行动 eg: The rescue team made ten rescues in a week. （2） vt. 救援，拯救，解救 搭配：rescue sb/sth from 把从（地方）解救出来 eg: They rescued the boy from the burning h

13、ouse.,15. trap （1） vt. （trapped）困住，关住，使陷入危险中 搭配：be trapped in 困在中 eg: The car was trapped in the deep snow. （2） n. C陷阱；困境；圈套，诡计 eg: She had set a trap for him and he had walked straight into it.,16. electricity n. U 电，电力拓展： turn on/off electricity 接通/切断电源 electric adj. 用电的，电动的 electrical adj. 电的，与电有

14、关的 electronic adj.电子的,17. disaster n. 灾难，灾祸Eg: The fire was a great disaster.拓展： natural disaster 自然灾害 a disaster area 灾区18. dig out (dug) 挖出，翻找出Eg: Why did you dig out those old magazines?,19. bury vt. 埋葬，掩埋，隐藏eg: She was buried beside her husbands grave. She buried her face in her hands and cried.

15、短语：bury oneself in=be buried in. 专心于， 埋首于 devote oneself to=be devoted to 专心于，献身于 be lost in 陷入中,20. shelter n. 掩蔽，躲避处，避难，保护短语：take shelter from 躲避eg: 人们在商店躲避雨。 People took shelter from the rain in the store.,21. damage n.&vt. 损失，损害eg: Smoking can damage your health. 抽烟会损害你的健康。短语：do damage to 对造成损害

16、Smoking does damage to your health.,22. frighten vt. 使惊吓，吓唬 frightened adj. 受惊的，受恐吓的 frightening adj. 令人恐惧的短语： be frightened at 受惊吓 be frightened of sb/sth 害怕某人/某物We were frightened when he fell into the river.,23.congratulation n. 祝贺；恭贺；贺词搭配： congratulations to congratulate vt.祝贺搭配：congratulate sb

17、on sthCongratulate you on your success.,24. judge （1）n. 裁判员，评判员；法官；审判员（2） vt. 判断；断定；认为Eg: Dont judge a person by his appearance（3）vt. 裁判；评判；担任裁判judge 是一个重要的动词，尤其要注意它所构成的分词悬垂结构judging from/by,它在句中做独立成分，不受句子主语的影响和限制，表达的意义是说话者的看法或判断。Judging by her letter, they are having a wonderful time.,25. express vt.表示，表达，表露搭配： express sth 表达/表露 express oneself 表达自己的思想感情Eg: Perhaps I have not expressed myself very well.,