人教版高中英语必修一单元四Book1 Unit 4知识点整理

1、.Book 1 Unit 4 知识点1、 重点单词1. burst vt.&vi. burst, burst 使爆裂；爆发 n. 突然破裂；爆发burst in/into 闯入，突然破门而入 burst out crying/laughing burst into tears/laughter 突然哭起来/笑起来He burst into the room without knocking at the door, which made me very angry.他没敲门就闯进房间，这使我非常生气。2. ruin n.Cpl.废墟； U消灭（1） in ruins 严重受损；变为废墟

2、 2ruin oneself 毁掉自己；自取灭亡 ruin ones health/fame 毁坏某人的安康/声誉The whole city lay in ruins after the earthquake; which made us awake all night.地震之后整个城市成了一片废墟，这让我们彻夜未眠。3. injure vt. 损害；伤害（1） injured adj. 受伤的 the injured 伤员 （2） injury n. 伤；伤口；伤害 do sb. an injury/ do an injury to sb. 伤害某人4. bury vt. 埋葬；掩埋；隐藏

3、；使专心 be buried in= bury oneself in 专心于 Because he was buried in his books, he didnt know it was raining outside.由于他埋头于书本，所以不知道外面下雨了。表示“专心于；致力于的短语还有：be devoted to be lost/engaged/absorbed in focus/concentrate on fix/concentrate ones attention on5. judge n. 裁判员；法官 vt. 断定；判断；判决（1） judgefrom/by 从来判断（2）

4、Judging by/from 根据判断温馨提示：judging from/by 用在句首时，为一个独立成分，不受句子主语和时态影响，只用如今分词作状语而不采用过去分词的形式。Judging from the number of cars, he thought there were not many people at the club yet.常言道，我们不能以貌取人。As the saying goes, “We should never judge a person by/from his looks.6. at an end 完毕；终结by the end of 到完毕时，到时候 c

5、ome to an end 完毕 makebothends meet 使收支相抵，量入为出 end up doing sth. 以做完毕When the journey was at an end, everybody felt tired and hungry.7. a great number of 许多；大量的a great/large/small number ofa great/good many +复数名词+谓语动词用复数quite a fewa great deal of +不可数名词+谓语动词用单数 a great/large amount of 但great amounts

6、of+不可数名词+谓语动词用复数a lot of/lots ofa great/large quantity of +复数名词+谓语动词用复数masses of +不可数名词+谓语动词用单数 plenty of many a + 可数名词单数谓语动词用单数2、 重点句型1. In the farmyards, the chickens and even the pigs were too nervous to eat.句法分析：（1） too+adj./adv.for sb.+to do sth. 表示否认的意义，意思是“太而不能（2） 当tooto用来修饰表达人的态度、情绪倾向的形容词如an

7、xious, eager, glad, happy, pleased, ready, willing等时，不定式表示肯定意义。（3） cant/can nevertoo再怎么也不过分He was too eager to know the result of his examination. 他迫切想知道考试的结果。You cant be too careful when you do your homework.2. It seemed as if the world was at an end!句法分析：It seemed/seems to sb. that/as if“对某人来说似乎（1

8、） as if从句用陈述语气从句表示的情况是真实的或极有可能发生的（2） as if从句用虚拟语气从句用一般过去时与如今事实相反bewere从句用过去完成时与过去事实相反从句用would/could/might do形式与将来事实相反Hurry up! It looks as if the train is going to move.It was John who broke the window. Why are you talking to me as if I had done it?温馨提示：假如as if引导的从句中的主语和主句的主语一样，且含有be动词，可省略主语和be动词，这样as if 后就只剩下名词、不定式、形容词短语、介词短语或分词。She walked here and there on the playground as if she was looking for something. 3. All hope was not lost. 不是所有的希望都破灭了。句法分析：该句是表示部分否认的句型。 allnot=not all，意为“并非所有的都（1） 部分否认用法 含“全部/所有/任何等意义的词与not连用，如：all, both,