Unit 2 Section B Using Language（ppt课件） -2022新外研版（2019）《高中英语》必修第一册.pptx

1、Unit2 Exploring English MENULeading-inWhile-classAfter-classPart.1 Leading-inPart.1 Leading-e across意思：_语块积累：come about 发生 come to 总共；达到 come up 走近,被提及come out出版；出现；（花朵）开放 come along 出现；赶快 come up with想出，想 到（主意、答案等）练习：She came _ an old friend of hers yesterday while she was shopping at the departmen

2、t store.1.across2.contact词性：_ 意思：_词性：_ 意思：_语块积累：（1）contact sb.immediately/directly 立即/直接与某人联系contact sb.by e-mail/telephone通过电子邮件/电话与某人联系（2）make contact with sb./get in contact with sb.与某人取得联系be/stay/keep in contact with sb.与某人保持联系lose contact with sb.与某人失去联系bring sb.into contact with sth.使某人接触某物 be

3、 in contact with sb.与某人联系 be out of contact with sb.与某人失去联系 physical/eye contact 身体目光接触 练习：Then,after the girl had become famous,he tried to make contact _ her.2.about3.likely词性：_ 意思：_语块积累：be likely to do sth.可能做某事It is likely that 可能词语辨析：likely,possible 与 probable三者都可表示“可能的”。可能性：probablelikelypossi

4、ble（1）likely:主语为人、物或形式主语it句式：Sb./Sth.is likely to do sth.It is likely that（2）possible:主语为物或形式主语it句式：It is possible(for sb.)to do sth.It is possible(for sb.)that.（3）probable:主语为物或形式主语it句式：It is probable that 练习：The injured boy is likely _(receive)treatment tomorrow.3.to receive 4.addition词性：_ 意思：_语块积

5、累：in addition“除此之外，另外”，是副词性短语，单独作状语。in addition to“除之外（还）”，是短语介词，后接名词、代词或动名词。说明：in addition 可用于句首、句中或句末，用于句首或句中时，通常用逗号与句子的其他部分隔开。练习：In addition to _(swim),she likes playing the guitar.4.swimingIs there any relationship between pineapple and apple?Can you eat an apple in pineapple?Can you give me som

6、e more examples like this?Can you find the rule of this kind of words?Abbreviation（缩略法）：a word is made up of the first letter of several words.是指把两个或两个以上的词各取一部分（或用单词首尾字母或用截头取尾的方法）合在一起构成一个新单词。读音主要有两种形式，即各字母分别读音或作为一个单词来读。very important personVIP(读字母音）要人，贵宾televisionTV(读字母音）电视advertisementad广告laborator

7、ylab实验室gymnasiumgym健身房，体育馆examinationexam考试World Health OrganizationWHO世界卫生组织World Trade OrganizationWTO世界贸易组织the Peoples Republic of ChinaPRC中华人民共和国Test of English as a Foreign LanguageTOEFL托福考试Conversion（转化法）：to create a new word without any change in spelling.一个单词由一种词性转化为另一种或几种词性，这种构词法称为转化法。（1）动词

8、转名词：例如：Lets go out for a walk.我们到外面去散散步吧。He is a man of strong build.他是一个体格健壮的男人。（2）名词转动词：例如：Did you book a seat on the plane?你订好飞机座位了吗？Please hand me the book.请把那本书递给我。We lunched together.我们在一起吃了午餐。Compounding（合成法）：two or more words are joined together to make a new one.把两个或两个以上的词合成一个新词，这种构词法加合成法，由

9、合成法构成的词叫合成词。合成名词：pickpocket 扒手sunshine 阳光playground 操场daybreak 破晓haircut理发sunrise 日出suitcase 手提箱earthquake 地震waterfall 瀑布sightseeing 观光合成形容词：whitewash 粉刷noble-minded 高尚的good-looking 好看的hard-working 勤劳的peace-loving 热爱和平的breathtaking令人惊叹的合成副词：however然而somehow以某种方式，不知怎么地overnight在晚上；合成介词：outside 在外面 wi

10、thin在之内 throughout在整个期间白始Derivation(派生法）：to create a new word by using prefix（前缀）and suffix（后缀）。在一个词根的前面或后面加上某个词缀生成一词，这种构词法称为派生法。加在前面的词缀叫前缀，加在后面得叫后缀。例如：appear 出现disappear 消失；possible 可能的impossible 不可能的；large大的enlarge扩大Part.2 While-classPart.2 While-classLeading inHave a look at Activity 1 on Page 17

11、.Match the words in bold to the types of word formation.a Neither is there pine nor apple in pineapple.b.sculpt a sculpture.c When we.see rain.,we can say“its raining”.d WHO 1 abbreviating2 changing the part of speech3 adding a prefix or suffix4 combining two or more words1.d 2.c 3.b 4.aLeading in T

12、ry to divide the following words according to different word formation.watermelon,schoolwork,USA,sunshine,toothache,impossible,bookstore,national,mooncake,DJ,restroom,chopstick,impolite,textbook,warmth,bathroom,disagree,PM,butterfly,snowmanAbbreviation:USA,DJ,PMCompounding:watermelon,schoolwork,suns

13、hine,toothache,bookstore,mooncake,restroom,chopstick,textbook,bathroom,butterfly,snowmanDerivation:impossible,national,impolite,warmth,disagreeWhile-classHave a competition:word dragon(for example:rain-rainbow)While-classFinish Activity 2.(Page 17)Fill in the blanks with the help of word formation.S

14、uggested answers:1.a pen friend 2.well-known 3.incorrect 4.unhappy 5.improvement 6.calm 7.presenting 8.WTO 9.ASAPWhile-classWork in groups.Choose one type and come up with as many words as possible.FOR EXAMPLE:Like:dislike,likely,likelihoounlikes,unlike,dislike,likeness,likely,liking,unlikelyAmerica

15、n and British EnglishAmerican and British EnglishLook at the pictures and get to know the American English words and their British equivalents.Suggested answers:1.theatre 2.theater 3.gas 4.highway 5.petrol 6.motorway 7.elevator 8.lift 9.subway 10.underground 11.apartment 12.flat Now complete the passage with the words above.Part.3 After-classPart.3 After-classSummaryWork in pairs.Find more examples of differences between American and BritishEnglish.Use a dictionary or search on the Internet.Thank you!