【新教材】人教选择性必修第一册 Unit3 Learning about languagePPT推荐.pptx

1、合成是指将两个意思不同的单词结合成一个新词。这类词可以由“名词+动词”、“名词+名词”或“形容词+名词”等构成。如：,名词+动词：sun+rise sunrise名词+名词：note+book notebook形容词+名词：blue+berry blueberry动词+名词：work+room workroom形容词+动词：high+light highlight动词+副词：break+up breakup,注意：在合成词中有的词连写，有的词不连写，有的词之间用连字符连接。keyboard,network,newspaper bus stop,post office high-speed,CD

2、-ROM,warm-up合成形容词被视为一个单词，常放在所修饰词的前面。Do you know the middle-aged man sitting onthe chair?My neighbour is a kind-hearted lady.,转化是指一个单词的词形不经过任何变化而由一种词性转化为另一种词性。名词转化为动词：ship（n.）ship（v.）（to send or transport sth./sb.in a ship）形容词转化为动词：green（adj.）green（v.）（to make.environmentally friendly）介词转化为名词：the ups

3、 and downs of life连词转化为名词：no ifs,ands,or buts,派生是指通过给一个单词加前缀或后缀构 成另一个词。（前缀一般改变词义而不改变 词性，后缀一般改变词性而不改变词义）如：,Guess the meanings and parts of speech of the words in italics.1.He handed me a book with his shaking hand.,名词；手,及物动词；递给2.His face faced east.,名词；脸动词；面向The flood flooded the whole village.名词；水灾动

4、词；淹没The warm bedroom warmed me.形容词；温暖的动词；使暖和He smelled the smell of the flowers.动词；闻名词；气味,Match each word with its proper meaning.,the outer limit of an objectan official or legal prohibitiona meal with several dishes from which people serve themselvesmove carefully towardssomethingfar from.not clos

5、eofficially or legally prohibit,strike repeatedly with a lot of forceH.（informal）a device for controlling sth else from a distance,（G）1.buffet v.（C）2.buffet n.（D）3.edge v.,（A）4.edge n.,（F）5.ban v.,（B）6.ban n.,（E）7.remote adj.G.（especially of wind or wave）,（H）8.remote n.,New words can also be formed

6、by using prefixes and suffixes.Find and underline the prefixes or suffixes in the words below.Then write out the original words.,impossibility n.unfriendly adj.,unchangeableadj.changedislikev.like,possible,friend,overwork v.work misunderstanding n.understand athletic adj.athlete misread v.readtransl

7、ator n.translate,3.We are impressed by the vastness and breathtaking beauty of the oceans.,compound,Work out the meanings of the underlined words in the sentences below and state whether they are compounds or derivatives.I believe that a journalist should be completely objective.derivative记者derivati

8、ve客观的Whenever I sneeze,my English teacher says,“Bless you”,compound无论何时,derivative巨大,令人惊叹的,5.He ordered the dish labelled“Pumpkin Pie and Ice Cream”.,compound,derivative传统的compound 机场4.He bought a traditional tea set at the airport：a nice teapot and four teacups.,compound茶壶compound,茶杯,冰激凌,Complete t

9、he passage below with the correct forms of the words in the box.boundary visible remote vast on the move ban set upThe Northeast Tiger and Leopard National Park was set up in Jilin and Heilongjiang,with boundarystretching all the way to the borderand joining with Russias wildlife reserves.This vast

10、new park is nearly four times larger than the old wildlife park protecting Siberian tigers in Northeast China.Over the years,increased,boundaryvisibleremotevast on the movebanset updevelopment in the area affected the tigers habitat,and it was thought that by 1998 there were only six to nine wild Si

11、berian tigers living in the remoteregion.However,a ban on development put in place in 2015 resulted in a visiblepopulation increase of the species,and now the area is thought to have about 35 tigers and 70 leopards.The problem,however,was that the old park was too small to support,boundaryvisiblerem

12、otevast on the movebanset upfurther population increases.Always,on the move Siberian tigers and leopards need large areas to hunt for food.This larger park,with aconnection to Russias wildlife reserves across the border,should give these species the natural space they need to live in.,1.To make sentences with words in Exe.1 on page 28.,2.To list more compounds and derivative words.,