裕兴新概念英语第二册笔记_第53课_课文讲解

1、TextAt last firemen have put out a big forest fire in California.at last 终于,最后,强调过程很艰难put out 扑灭火Since then,they have been trying to find out how the fire began.since then 从那时起have been trying to 现在完成进行时,强调一直在做的概念find out 找出(答案,结果how the fire began 是由how 引导的宾语从句,做find 的宾语Forest fires are often cause

2、d by broken glass or by cigarette ends which people carelessly throw away.broken glass碎玻璃.broken 是一个过去分词做定语,表示碎了的,断了的,折了的a broken heart 失意a broken glass 破杯子a broken promise 爽约a broken marriage 破裂的婚姻a broken home 破裂的家庭cigarette ends 香烟头come to an end 结束,完毕eg.make both ends meet 量入为出,使收支相抵throw away 扔

3、掉throw to 向扔过去(为了把东西扔给对方让对方接住eg.throw at向砸过去(为了打对方,含有不友好,敌意eg.Yesterday the firemen examined the ground carefelly,but were not able to find any broken glass.were not able to= could not 没能够They were also quite sure that a cigarette end did not start the fire.be sure that对.确信be quite sure that对相当的确信qu

4、ite 相当eg.Are you quite certain about that ? 你对那件事情相当确信吗?quiet adj 安静的eg.The class kept very quiet during the lesson. 上课时班里非常的安静。quite 1eg.She was quite alone. 她的确是一个人。2eg.It was quite a bargain. 相当的便宜3eg.Shes a quite good actress.她是相当好的演员。eg.The jackt is quite good.这件夹克相当的好。start the fire引起火灾,start

5、即可做及物动词也可做不及物动词eg.We started on our journey. 我们出发去旅行。eg.Our school starts at 8:50.我们学校在8:50开始上课。start in doing sth/ start on doing sth 开始做某事start to do sth 开始做某事At last firemen have put out a big forest fire in California. Since then , they have been trying to find out how the fire began. Forest fir

6、es are often caused by broken glass or by cigarette ends which people carelessly throw away.Yesterday the firemen examined the ground carefully , but were not able to find any broken glass. They were also quite sure that a cigarette end did not start the fire. This morning , however , a firemen acci

7、dentallydiscovered the cause. He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line. In this way , he was able to solve the mystery. The explanation was simple but very unusual. A bird had snatched up the snake from the ground and then dropped it on t

8、o the wires. The snake then wound itself round the wires. When it did so , it sent sparks down to the ground and these immediately started a fire.which people carelessly throw away 这句话是一个定语从句修饰cigarette ends, (被香烟头,那么是什么香烟头呢?是被人们不小心扔掉地香烟头The meeting came to an end at midnight. 会议在半夜才结束。He threw the

9、ball to me and I caught it. 他把球扔给我,我接住了。The boy threw a stone at the windows and broke it .那个小男孩用石头把窗户砸碎了。全然,完全,十分,的确事实上,非常颇为,相当地eg.He hasnt started in writing his next play yet .他尚未开始撰写下一处戏剧。He hasnt started on writing his next play yet .123eg.A strong wind started to blow. 狂风开始吹了起来(主语为wind ,是物eg.S

10、he is starting to prepare lunch.她开始准备午饭(start 为进行时态start doing 开始做某事eg.He usually starts studying at 8 at home.在家里,他总是8:00开始学习。eg.He started to understand it.他开始明白了。This morning, however, a fireman accidentally discovered the cause.区别cause 与reason 的用法,这2个词都可以即作n,又作v cause n 直接导致行为或事件发生的原因,即“起因”reaso

11、n n cause vt 使发生,导致,引起(及物动词reason vt vi eg.Do you know the cause of the fire ? 你知道大火的起因吗?eg.This is the reason why he left. 这就是他离开的原因。eg.What caused the fire ? 是什么导致了大火?eg.reason with sb 劝说某人,与某人理论reason sb into doing sth/talk sb in to doing sth 劝说某人做某事reason sb out of(doing sth/talk sb out of (doin

12、g sth 劝说某人别做某事accidentally adv 偶然地He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line.In this way,he was able to solve the mystery.solve the mystery 解开谜底snatched up sth from the ground 从地上抓起来drop vt 使落下,使掉落(及物动词,后面直接加宾语eg.She dropped the vase on the

13、 floor.她把花瓶掉在地上了。vi eg.The teapot dropped out of her hand.茶壶从他手中掉了下去。fall vi eg.He fell down the stairs and broke his leg.他从楼梯上摔了下去,摔断一条腿。eg.The book fell from the table to the floor.这本书从桌子上掉到地板上了。eg.Prices fell./Prices dropped.价格跌了。The snake then wound itself round the wires. wound round= wound aro

14、und 缠绕eg.Vines often wind around a post or a tree.葛藤常常缠绕在柱子上或树木上。eg.I wind this clock every day.我每天给这个钟上弦。eg.Does this watch wind automatically ?这个表是自动上弦的吗?When it did so, it sent sparks down to the ground and these immediately started a fire.When it did so 当他这样做的时候start a fire/cause a fire 引起一场大火se

15、nd spark down to 将火星传了下去Exercises1A since since +时间点表示“自从以来”B for for+时间段表示“长达”C ago 常用在一般过去时D by 常用在一般过去完成时或者将来完成时2He was able to solve the mystery. He succeeded in solving it.Acould if he wanted to 他能够,如果他想要的话主语为物start 为进行时态后面的动词do 表示内心活动解释某事为什么发生的理由或借口,而这种理由可能不是真正的原因,多用于人的行为评理,劝说(即可是及物动词,也可以是不及物动

16、词常与with ,into ,out of 连用I reasoned with him for hours, but I couldnt persuade him to change his mind. 我劝说了几个小时,但是没能劝说他改变主意。which 引导一句话是个定语从句,修饰snake, (他注意到一条死蛇,那么是一条什么样的死蛇呢?是一条缠绕在16000伏的高压电线上的一条死蛇The explanation was simple but very unusual.A bird had snatched up the snake from the ground and then dr

17、opped it on to the wires.(不及物动词,后面不可加宾语掉下,跌倒(不及物动词,后面不可加宾语The firemen have been examining the ground since yesterday. 从昨天开始消防员们一直在检查地面。这句话的谓语动词是:have been examining, 是一个现在完成进行时,强调动作一直在进行Bcould but he didnt want to 他能够,但他不想这样做Csucceeded in solving it 成功解决了,它同was able to solve the mystery (解开了这个谜的含义相同Ddidnt succeed in solving it 没能成功解开谜底3In this way,he was able to solve the mystery.Thats how he did it.分析Athats so 就是如此Blike this 想这样Cthats how Dso 因此4Aby the way Bby accident 偶然地Cin short 简而言之D in vain 徒劳地补充内容谚语eg Life is a bed of rose