高二英语必修五unit5知识点.doc

高二英语必修五unit5知识点
　　高二英语必修五unit5知识点：词语1. first aid 的意思是“急救，例如：first aid to the injured 给予伤员的急救。
　　短语联想give/offer aid 援助 come to sb's aid 帮助某人teaching aids 教具 medical aid 医疗救护with the aid of 借助于get injured 受伤，在现代英语中大量地出现了由“get + 及物动词不达意的过去分词构成的被动语态，这叫 get - 型被动语态。
　　又如：The computer got (was)damaged when we were moving.My bike is getting (is being)repaired row.2. Protect 动词，“保护、维护，用于句式“protect + 名词 + against/from + 名词。
　　e.g. He is wearing sunglasses to protect his eyes from the strong sunlight.【短语联想】Ø Keep... from... 不让/避免Ø stop... (from) ... 阻止Ø prevent...(from) ... 妨碍/防止Ødisable... from... 使……失去(能力/资格)Øsave... from... 挽救、拯救3.depend on 取决于。
　　e.g. The amount you pay depends on where you live.词义拓展depend on 依靠，依赖：His family depends on him. 他的一家人全靠他养活。
　　依赖，信任：We are depending on you to finish the job by Friday.4. squeeze 动词，意思是“榨取、“挤出，例如：squeeze an orange 榨橘子squeeze + 名词 + out(of/from) + 名词，e.g. Those blackmailers intended to squeeze more money out of him.5. hurt 既可作及物动词，作“伤害、“使受伤解，也可作不及物动词，作“疼痛、“感到疼痛解。
　　既可表达身体的受伤，也可以表达情感的伤害。
　　例如：e.g. The little boy has fallen off a ladder and hurt himself.The driver hurt himself in the accident. 司机在事故中受了伤。
　　6. unless 除非……;如果不……。
　　如：7. icy adj. 冰凉的-y 是个形容词后缀。
　　如：windy 有风的 hilly 多小山的 sleepy 困倦的greeny 略呈绿色 spicy 辛辣的 woody 树木茂密的thirsty 饥渴的 dirty 脏的 snowy 下雪的8. in place 放在适当的地方。
　　如：e.g. The librarian put the returned books in place. 图书管理员把还回的图书放到原处。
　　Yon'd better put things back in place.Otherwise, it will be difficult to find things.9. sense n. 感觉Øsense of touch 触觉 sense of sight 视觉Ø sense of hearing 听觉 sense of smell 嗅觉Ø sense of humour 幽默感 sense of beauty 美感Øense of hunger 饥饿感 the sixth sense 第六感10. variety n. 多样, 种类,★ a variety of… 各种各样……【词语联想】various a. 不同的, 各种的, 多方面的, 许多的e.g. Everyone arrived late at the party for various reasons.
　　如果需要的话，可以使用剪刀。
　　unless是连词，意为“如果不，除非。
　　在真实条件句中，unless引导的肯定条件状语从句，可以和if...not...引导的否定状语从句互换。
　　Unless you change your mind，I won，t be able to help you.=If you don?t change your mind，I won ’t be able to help you.除非你改变想法，否则我不能帮助你。
　　I want you to keep working unless I tell you to stop.=I want you to keep working if I don’t tell you to stop.如果我没说让你停，你就得继续干。
　　注意：unless 不可用于假想的事情，因此当if...not引导非真实条件状语从句时，一般不可改用unless。
　　例题：单项填空①All the dishes in this menu, ______ otherwise stated, will serve two to three people.A. As B. if C. though D. unless②Don’t promise anything ______ you are one hundred percent sure.A. Whether B. after C. how D. unless解析: ①选D。
　　考查状语从句的引导词。
　　句意为：在这份菜单上的所有菜，除非另外说明，会给两到三个人食用。
　　②选D。
　　句意为：除非你有完全的把握，否则不要做出承诺。
　　unless除非。
　　2. John was studying in his room when he heard screaming.约翰正在房里学习，突然听到一声尖叫。
　　此句型中when作并列连词,相当于and then,意为“正当……时，突然。
　　常用结构：be doing...when... 正在做……突然……had done...when... 刚做了……突然……be about to do...when... 刚要做……突然……be on the point of doing sth. when... 刚要做……突然……例题：单项填空①She had just finished her homework _____ her mother asked her to practice playing the piano yesterday.A. When B. while C. after D. since②We were swimming in the lake ______ suddenly the storm started.A. When B. while C. until D. before③I ______ along the street looking for a place to park when the accident .A. went; was occurring B. went; occurredC. was going; occurred D. was going; had occurred解析: ①选A。
　　由句意可知此处when用作并列连词，意为“这时。
　　②选A。
　　when作连词，表示“正在这时。
　　句意为：我们正在湖中游泳，突然暴风雨来了。
　　③选C。
　　主句要用过去进行时,表示当时正在路上走着;when引导的从句多用一般过去时。
　　联想拓展fall behind 落后fall sick 生病fall asleep 入睡fall down 掉下;倒塌fall in love with ... 爱上……fall off 脱落;减少;从……上掉下fall into the habit of ... 养成……的习惯fall over 跌倒;翻倒;落到……上fall silent 沉默2. in place在适当的位置;适当I like everything to be in place.我喜欢所有的东西都放在原来的地方。
　　With everything in place, she started the slide show.一切就绪，她开始放幻灯片。
　　联想拓展be in/out of order 有条理/无条理;坏了be in/out of control 正常/失控be in/out of danger 有危险/脱离危险in place of...=take the place of... 代替;取代give place to 被……取代;让位于……out of place 不在适当的位置; 不合适3. make a difference有很大差别;有很大不同;有很大的关系/影响Whether he could get the support from his parents made a great difference to the plan.他是否能得到父母的支持对这个计划的影响很大。
　　Does it any difference whether he?ll attend the meeting?他出不出席会议有什么区别吗?联想拓展make a difference between ...and ... 区别对待……make some difference to对…… 有些关系make no difference to 对……没有关系make all the difference 关系重大;大不相同猜你感兴趣的：1.高二英语必修五重点单词和短语2.高二英语必修5单词短语3.英语必修5知识点4.人教版高二英语必修5Unit 5练习试卷5.高二英语重点短语