人教版高中英語選修八 unit 1 知識點 PPT課件免費下載.ppt

1、,Period 2 ( 語言知識課),選修八Unit 1 A land of diversity,可能，很可能，真的可能嗎？ 1. probable, likely, possible 【觀察思考】 It is likely that she will succeed. He is likely to arrive a bit late. 【句型】 It is likely/possible/probable that 很可能 sb/sth is likely to do sth 某人/物有可能做 某事,(1) likely的主語既可以是物，也可以是人。 (2) possible和probab

2、le的主語不能是人，常用于Its possible for sb. to do sth., Its possible/probable that句型中。 (3) 三個詞中，可能性從大到小依次為probable，likely, possible. 造句：某件可怕的事情可能會發(fā)生。 _,Something terrible is likely to happen.,【鞏固運用】 (1) Studies show that people are more _to suffer from back problems if they always sit before computer screens

3、for long hours. （2010陜西高考） likely B. possible C. probable D. sure （2）句型轉(zhuǎn)換 Theyre likely to lose the game. B. _ _ _ _ they will lose the game.,A,It is likely that,借助途徑辦大事 2. by means of用辦法，借助 We express our feelings by means of words. He crossed the river by means of a boat. 【短語】 by this means 用這種辦法

4、（in this way, with this method） by no means決不，一點也不(放在句首時，句子用部分倒裝語序) 意思同in no case, under no circumstance by all means務(wù)必、不惜一切地；(用于交際英語表示同意)當(dāng)然可以，沒問題,【鞏固運用】 （1）我們決不能放棄希望。 _ （2 ）A: Can I bring my sister to the party? B:_.,By no means shall we give up hope.,Sure./ Of course. / Certainly. / By all means.,

5、【拓展】means單復(fù)數(shù)相同，觀察下列句子，注意其謂語動詞的用法。 All possible means have been tried. Every possible means has been tried. The quickest means of travel is by air.,【鞏固運用】完成句子 (1) Today an airship is used as _ (一種廣告工具) (2) The burglars entered the house _ (借助梯子) (3) _ (這絕不是) is this the first time you have been late.

6、,a means of advertising,by means of a ladder,By no means,我愿意隨大溜 3. majority n. 大多數(shù) major adj. &v. 主要的；主修 minority n. 少數(shù) The majority of doctors agree that smoking is extremely harmful to health. In the nursing profession, women are in a/the majority. The house needs major repairs. Alice majors in ec

7、onomics.,【用法】 the majority of 大多數(shù)的 be in a/the majority占多數(shù) major in 主修 【溫馨提示】 單獨做主語時，若強調(diào)整體，謂語動詞用單數(shù)， 強調(diào)個體時，謂語動詞用復(fù)數(shù) 。 the majority of + n. 后可用不可數(shù)名詞，也可用可數(shù)名詞復(fù)數(shù), 謂語動詞由后面的名詞決定。,【鞏固運用】 （1）The majority_ for the budget. （2）The majority of students _ hard-working. （3）The majority of the damage _ easy to repai

8、r. （4）這次會議年輕人占多數(shù)。 _,are,are,is,The young are in the majority at the meeting.,投我一票吧 4. elect vt. 選擇；決定做某事；選舉某人 election n. 選舉 Obama was elected president in 2008. We elected James chairman. 【用法】elect sb. to be/as選某人為 elect sb. to do sth.選某人干某事 elect to do sth. 決定做某事 提示：表示被選舉為獨一無二的官銜，職位且此名詞在句子中做賓補，主補，

9、同位語時，其前面不得使用冠詞。,【鞏固運用】 (1) 我們選他當(dāng)班長。 _ (2) 我們選他代表我們在大會上發(fā)言。 _ 或_,We elected him (to be/ as) monitor.,We elected him to give a talk on behalf of us at the meeting.,We elected him spokesman at the meeting.,你答對題的百分率高嗎？ 5. percentage n百分比；百分率 1. What percentage of children were absent? 2. A large percenta

10、ge of population live in big cities. 3. Only a small percentage of students are foreigners. 4. A large percentage of the hotels income comes from the visitors to the lake.,【溫馨提示】 (1) percentage百分比，百分率，其前不用具體的數(shù)字修飾，可以被large, small , high，low等形容詞修飾。 (2) percent百分之，相當(dāng)于“%”，其前面往往用具體數(shù)字修飾。 (3) “a percentage

11、 ofn.”在句中作主語時，謂語動詞的單復(fù)數(shù)視名詞的單復(fù)數(shù)形式而定。,【鞏固運用】 完成句子 _(大部分) people came. _ (百分之五十的學(xué)生) came form workers family. (3) Over ninety percent of my classmates _ (有一本英語字典) (4) Thirty percent of water in our city _ (被污染了),A large percentage of,Fifty percent of the students,have an English dictionary,has been poll

12、uted,我突然想到 6. occur vi.發(fā)生；出現(xiàn) （1）Suddenly a good idea occurred to me.=Suddenly a good idea struck me. （2） It occurred to me that I should drop in on my uncle on the way to the city. = It struck me that I should drop in on my uncle on the way to the city. （3）It occurred to him to give some money to hi

13、s old parents.,【用法】(1)occur to sb.(想法，念頭)出現(xiàn)在某人腦海中 （2）It occurs to sb.to do sth./that 某人想起做某事,【鞏固運用】完成句子 (1) _ (我突然想) to visit my parents. (2) _ (她突然想) she might adopt a homeless child. (3) I was going along the street looking for a place to park _ (事故發(fā)生時),It occurred to me,It occurred to her that,wh

14、en the accident occurred,不要輕信別人哦 7. take in 翻譯下列句子，并說出take in在句中的意思。 (1) Before you translate a sentence, you should first take in the meaning of the words. _ (2) The tour takes in some famous castles. _ (3) Dont be taken in by his tricks. _ (4) The dress needs to be taken in at the waist. _,理解，吸收,包

15、括,欺騙,改小,與take有關(guān)的短語 take away _ take back _ take down _ take off _ take on _ take over_ take up _,拿走,收回,寫下，記下,起飛，成功,呈現(xiàn),接管,占據(jù)，拿起，從事,【當(dāng)堂檢測】 (1) 我突然想起今晚我該拜訪湯姆。 It _ _ me that I should call on Tom tonight. (2) 只有一小部分的人申請這份工作。 A small _ of the people _ _ the job. (3) 如今，許多來自農(nóng)村的年輕人到大城市去謀生。 Nowadays, many young people from country are going to big cities to _ _ _for themselves. (4) 湯姆覺得把工作和樂趣結(jié)合起來不容易. Its not easy to _ work _pleasure.,occurred to,percentage,applied for,make a l