外研版必修第三册 Unit 6 Disaster and hope Revise课件(28张ppt）

课件28张PPT。外研版必修第三册Unit 6 Disaster and hopeRevise and consolidate
the language points learned in this unitEnglish New Curriculum Standard本课件主要内容安排一. 课件呈现
1. 单元构词扩展词汇
2. 单元核心词汇讲解
3. 单元专题语法讲解
4. 单元重点句型讲解
二. 配套训练
5. 单元知识要点训练（配套另作word版文档）
单元构词扩展词汇 认知与拓展 核心词汇eruption announce rely rescueremergent exceptional threaten reminder definitely scientificnatural emotional confidence thankfully warning safety 单元重点短语?词汇一 occur v. 发生 ◆教材原句 Experts say this bad weather has occured due to climate change. 专家表示, 这种恶劣天气是由气候变化造成的。
◆要点必记
sth occur to sb/ sth ... 发生某事
It occurs to sb. that. . . 　 某人想起……
It occurs to sb. to do. . . 某人想起做……
◆考点呈现
1. It occurred to me ________ I had not handed in my paper.
2. I hope no accident has occurred ______ him.
3. It never occurred to me not ________________ (escape) from reality. tothatto escape?词汇二 announcement n. 通告，公告◆教材原句 “The next station is Bank!”comes the announcement.
传来的通知说“下一站是银行!”
◆要点必记
make an announcement　下通知; 宣布
have an announcement to make 有事要宣布
announce v. 宣布; 通知
It is announced that. . . 据称; 据宣布…
announce to sb. sth. /that. . . 向某人宣布…
跟踪训练1. The girl's sudden _________________(announce) that she was leaving took us quite by surprise.
2. _____was announced that the Prime Minister would speak on television.
3. The government announced the danger ________ (be) past.
4. He announced _______ the boss his intention of going from office.
5. 我有件重要事情要宣布。(英译汉)
______________________________________________announcement It to be toI've got an important announcement to make.?词汇三 exceptionally adv. 极其，非常◆教材原句 Caused by exceptionally heavy snowfull within a short period of time, they destroyed buildings and forests, and claimed over 256 lives.
由于短时间内异常严重的大雪，他们摧毁了建筑物和森林，夺走了256条生命。◆要点必记
except prep./conj. 除...之外， 不包括
exception n. 例外；不合规则
◆考点呈现
1. All students without ______________ (except) must take the English examination.
2. I know nothing about him except ___________ he lives next door.
3. The retired worker go out for a walk every day except _____ Sundays.
4. The school offers free places to children who are__________________ (exceptional) talented.exceptionthatonexceptionally ?词汇四 claim v. 夺去（生命）◆教材原句 Caused by exceptionally heavy snowfull within a short period of time, they destroyed buildings and forests, and claimed over 256 lives.
由于短时间内异常严重的大雪，他们摧毁了建筑物和森林，夺走了256条生命。
◆要点必记
claim vt. 主张；声称；夺去（生命）
claim lives 夺去生命
claim to do sth 声称做某事
claim + n./pron. +to be/as n./adj. 声称...是...
it is claimed that-clause 据称；有人宣称

跟踪训练1. He claimed himself ___________ (be) engineer.
2. The couple at the gate claimed the child _______their own.
3. They claim _______________________(discover) a cure for the disease up to date.
4. It is claimed ______ humor not only affects patients' moods, but can actually help them recover faster.
to be as to have discoveredthat?词汇五 threaten v. 威胁到，危及◆教材原句 It led to a severe food crisis and threaten the livehoods of more then 9.5 million people. 它导致了严重的粮食危机，威胁了950多万人的生活。
◆要点必记
threat n. 威胁
under threat of... 在…的威胁下
a threat to peace 对和平的威胁
threaten to do sth 威胁要做某事
threaten (sb)+that-clause 威胁说跟踪训练1. The boss threatened __________ (fire) her if the girl made more mistakes.
2. The manager threatened his employee ________ cutting salary.
3. Pollution poses a threat _______ the existence of this species.
4. The son had to follow his father's advice _________ threat of punishment.
5. 父母不要总是威胁惩罚孩子。(英译汉).
___________________________________________________________________to firewithtounderParents should not always threaten to punish their children.?词汇六 otherwise adv. 否则，要不然◆教材原句 But we couldn't drink any of it otherwise we'd get sick.
但是我们不能喝，否则我们会生病的。◆要点必记
otherwise adv. 否则，不然; 在其他方面，不同地
otherwise conj. 否则，不然，要不然
and otherwise 及其他(等等)
or otherwise 或者相反
think otherwise 另有想法， 不这样认为跟踪训练1. You'd better go now, _____________ you'll miss the train.
2. He's naughty, but otherwise a nice boy. (英译汉)
__________________________________________
3. She is not very clever, but otherwise she's a nice girl.(英译汉)
__________________________________________
4. He says it's a true story, but we think otherwise. (英译汉)
__________________________________________
otherwise他很调皮,但除此之外他还是个挺不错的男孩子。她并不聪明，但在其他方面，她倒是个好姑娘。他说这是真实的故事,但我们不这样认为。?词汇七 look through 浏览，看穿，识破◆教材原句 Looking through my newspaper, I'm shocked by photos showing that a hurricane in Asia has destroyed a town.
浏览我的报纸之后，我对亚洲的飓风摧毁了一个城镇的照片感到震惊。
◆要点必记
look into 调查；观察；窥视
look up words in the dictionary 查字典
look up to sb 尊敬； 敬仰
loo down on 俯视； 看不起； 蔑视
跟踪训练 选词填空：
1. Peter _________________ loads of e-mails every day after entering the office.
2. A couple of policemen were invited to ___________ this matter.
3. The stubborn man _________________whoever didn't agree with him.
4. It's believed that children should ____________ their parents.
5. I ____________ your address in the personnel file the other day.look into look up look up to sb look down on look through looks throughlook intolooked down onlook up tolooked up语法 省略（Ellipsis）一. 概念。
省略句是英语的一种习惯用法。按照语法的分析，句子应该具备的成分，有时出于修辞上的需要，在句中并不出现，这种句子叫做省略句（elliptical sentences，这种语法现象称为“省略”（ellipsis or leaving words out。其特点是：虽然省去句子语法构造所需要的组成部分，但仍能表达其完整的意义。
二. 类别。
1. 为避免重复而进行的省略，状语从句的主语与主句的主语一致，并列结构中前后重复。
2. 语法上的省略，如表示时间、距离概念时介词，单位的省略。
3. 习惯用法上的省略，口语中居多。
三. 重难点突破。一. 简单句成分的省略 1. 省略主语。如:
( I ) Haven't seen you for ages!
2. 省略谓语。如：
(Is there) Anything you want?
(Does) Anybody need help?
3. 省略宾语。如：
Do you know where he is now? I don't know (where he is ).
4. 省略主语和谓语（或谓语的一部分），只剩下表语、宾语、状语或其它成分。如：
(I'm) Afraid I can't come.
(Have you) Got any ink? 二. 复合句的省略 1. 在含有状语从句的复合句中 , 主从句的主语相同，从句部分变化，若从句的主句是it或与主句的主语相同，且在谓语中含有be时，常省略从句的主语和be。例如：
eg. We may try again when (it is) necessary .
eg. When (she was) asked , she didn’t answer a word.
2. 在含有定语从句的复合句中，作宾语的关系代词that，which, whom可以省略；在以the same... as和such... as引导的定语从句中，可以省略与主句相同的部分；the way后面的定语从句中，可以省略that，in which。 例如：
eg. All (that) you ever want to do is going shopping. 你所想的就是购物。
3. 在含有宾语从句的复合句中省略。如果宾语从句中的谓语部分与主句的谓语部分或上文的谓语部分相同，可将从句部分的谓语省略。
eg. We will do what we can (do) to help you.三. 并列句的省略 在并列句中,如果后面的分句,与前面的分句有相同的部分,这一部分则常被省略掉,以免重复。如:
1. He teaches English and his brother maths.
2. We have been waiting for her to come back to see us, but (we have been waiting) in vain.
3. John won the first race and Jimmy the second.
4. Coral is not a plant but a variety of animal life.四.其它情况1. So+助动词/情态动词+主语句型。这一结构用来表示相同概念，即前面所说的情况也同样适用于另一人或物，意思是“同样”、“也那样”，常理解为倒装结构。
eg. My room gets very cold at night. So does mine.
2. 由nor，neither等引导的连续否定的句子也是一种省略句，这种句子在意思上与前面的句子是相同的，而且主谓用倒装。
eg. If Joe' s wife won' t go to the party, neither will he.
3. 不定式的省略 。
eg. The students want to enter the lab, but the monitor advises them not to (enter the lab).
理解应用1. One more hour I’ll get the work finished.
2. He has made a lot of films, but good ones.
3. The policeman (stand) at the crossroad directs traffic every other day.
4. The research is so designed that once (begin) nothing can be done to change it.
5. The flowers his friend gave him will die unless (water) every day.
6. The man stopped from time to time as if (find) whether he was being followed.
7. If you go to the West Lake in Hangzhou, you'll find it more attractive than commonly (suppose). and few standingbegun wateredto findsupposed单元重点句型◆ 教材原句 What were the highest and lowest temperatures recorded where you live?
?【句式分析】“where you live” 是由where引导的 ___________________，表示 _________________
?【句型拓展】地点状语从句表示地点、 方位， 这类从句通常由where、wherever等引导。地点状语从句可置于句首、句中或句尾。地点状语从句与定语从句的区别：在于分句在句中作什么成分。作状语，则是状语从句;作定语修饰名词，则是定语从句where引导定语从句时，从句前应有一个表示地点的名词作先行词;而状语从句前则无需先行词。
”地点状语从句” 在...的地方 理解应用1. __________ there is a will, there is a way.
2. Keep the keys to doors _________ you can see them.
3. No matter ________ you now are in writing, you can improve with practice.
4. 你从何处来到何处去。(汉译英)

5. Fill in the blanks with the given phrases. Change the form where it is necessary. (英译汉)
WherewherewhereGo back where you came from.用所给的短语填空，必要的地方可以改变其形式。单元重点句型◆ 教材原句 Now we have another chance to look up at the stars, their beauty inspiring and giving us confidence to move on.
?【句式分析】语境中 “their beautify inspiring and giving us confidence to move on.”该结构为 ____________________，属于_________________________动词自身带不同的逻辑主语，从而构成复合结构的形式作状语。其中，非谓语动词构成主动关系用现在分词，被动用过去分词。在本结构中, 名词beauty与动词inspire和give 构成 ______________ ，故分别用 ___________________________.
?【句型拓展】独立主格结构由两部分组成，前一部分是名词或代词，后一部分是非谓语动词(不定式、现在分词、过去分词)或形容词、副词、名词或介词短语。前后两部分具有逻辑主谓关系，没有连词连接。独立主格结构本身不是句子，在句子中作状语，表时间、原因、条件、伴随、目的及状态等。独立主格结构非谓语动词形式主动关系inspiring and giving理解应用1. Her work _______(do) she sat down for a cup of tea.
2. There _________ (be)no taxis, we had to walk.
3. Weather ______________(permit), they will go on an outing to the beach tomorrow.
4. An important lecture _______________(give) tomorrow, the professor has to stay up late into the night.
5. As an important lecture _______________ tomorrow, the professor has to stay up late into the night.
6. ___________ a word more spoken, she left the meeting room.donebeingpermittingto be givenwill be givenWithout 单元重点句型◆ 教材原句 Bur mom said that whatever happens, we should always try to see the good side of things.
?【句式分析】“whatever happens” 是由连词whatever引导的 _________ 从句，意为“无论发生什么事”，这时whatever 用 ________________________ 替换。
?【句型拓展】“no matter+疑问词”结构只能引导让步状语从句，这时可以和“疑问词+ever”互换。 而“疑问词+ever”还可以引导名词性从句。
“状语” “no matter+疑问词”理解应用1. When you are faced with emergency, take ___________ measures you consider best.
2. ___________ breaks the new law, he or she will be punished .
3. _____________ of you comes in first will receive a prize.
4. If we work with a strong will, we can overcome any difficulty, ____________ great it is.
5. 不管天气如何，我们明天都会去北京。(汉译英)

6. 无论时间多么晚，凯特的妈妈都在等她。(汉译英)

whateverWhoeverWhicheverhoweverWhatever weather it is, we will go to Beijing tomorrow. Mun will wait for Kate however late it is.