《构词法助记单词》PPT课件.ppt

构词法助记单词 牛津版 高二Module 7 Unit 4 构词法 合成 由两个或更多的词合成一个词，有的用连词符号“”连接，有的直接连 写在一起，还有的由分开的两个词构成。如： man-made up-to-date blackboard bedroom bus stop post office 转化 由一种词性转化为另一种或几种词性。如： hand（n.）hand（v.） Lets go hand in hand. Please hand in your exercise books after class. clean（adj.）hand（v.） Her room is clean and tidy. She cleans her room every day. taste（v.）taste（n.） It tastes good. It has not much taste. independence in depend ence prefix(前缀) root (词根)suffix(后缀) Prefix: a group of letters that is added to the beginning of a word to change its meaning. Suffix: a letter or a group of letters added to the end of a word to make a different word. 派生 由一个词根加上前缀和（或）后缀构成另一个词。如： 前缀 dis- agree 同意 disagree 不同意 cover 覆盖 discover 发现 kilo- metre 米 kilometre 千米 gramme 克 kilogramme 千克 un- fair 公平的 unfair 不公平的 limited 有限的 unlimited 无限的 后缀 -able accept 接受 acceptable 可接受的 suit 合适 suitable 合适的 -tion-ation collect 收集 collection 收集 translate 翻译 translation 翻译 -er farm 农场 farmer 农民 village 村庄 villager 村民 New Words（） of M7 U4 1 underground 构词法：合成 underground 同义词：tube subway metro 2 commonly 构词法：common (adj.) -ly 同义词：generally 3 tube 运用：on the Tube(在地铁里) by tube(乘地铁) 4 distinction 来源：distinguish (v.) 同义词：reputation difference 5 distant 来源：distance (n.) 同义词：faraway remote 运用：atfrom a distance(在远处) remote control(遥控器) 6 boundary 同义词：border frontier 7 historic 来源：history (n.) 相关词：historian 8 transport 构词法：派生 trans-port（n.） trans- 在到的另一边；横贯，横穿: transatlantic 变化： translate 相关词：transportation (n.) 9 vehicle 注意：字母h没有发音 10 choke 同义词：block 11 beneath 同义词：under below 反义词：on 12 carriage 形似词：marriage 13 comparatively 构词法：compare (v.) comparative (adj.) -ly 运用：the comparative degree (比较级) comparatively speaking (相比而言) 14 narrow 形近词：arrow sparrow 运用：a narrow mind (小心眼) a narrow escape (九死一生) 15 section 同义词：area zone region district 运用：section manager (部门经理) M-zone (动感地带) Hong Kong Special Administrative Region(香港特别行政区) Macao Special Administrative Region (澳门特别行政区) 16 middle 同义词：centre 辨析： middle指时间、空间的中心或长方形物体的中心 centre指地点的中心、球体的中心，也指兴趣的中心 He sat down in the _ of the front row. Although London is British capital, it is not in the _of the country. I was in the _ of reading when I had a call from her.(正在) When he was cutting an apple he had his _ finger cut. 17 advanced 构词法：advance (v.) -ed 运用：the advanced education (高等教育) advanced mathematics (高等数学) advanced ideas (先进思想) in advance (提前=beforehand) 18 accelerate 同义词（组）：speed up, promote, advance 19 pace 词组：keep pace (with) (与)齐头并进，跟上 middle center middle middle 20 inconvenient 构词法：派生 in-convenient (adj.) 21 separately 构词法：派生 separate (adj.) -ly 22 acquisition 来源： acquire (v.) 23 board 形似词：broad aboard abroad 辨析： board n.木板，甲板：go on board 上船（飞机、火车等） vt.上（船、车、飞机）：board a train 上火车 broad adj 宽阔的 aboard adv.在船（飞机、车）上，上船（飞机、车）：go aboard 上船（车） prep.在（船、飞机、车）上 abroad adv 在国外，到国外：go abroad 出国 24 expansion 来源：expand（v.） 25 connection 构词法：connect (v.) -tion 同义词：link contact tie 26 architect 来源： architecture (n.建筑学) 27 function 构词法：转化 vi. 起作用；运转 （work） n. 功能，作用 28 anti-aircraft 构词法：派生 anti-aircraft anti-含“反”“抗”“阻”“排斥”之意：Anti-Japanese War 抗日战争 29 minister 运用：Minister of Education 教育部长 Prime Minister 首相，总理 30 administration 构词法：派生 administrate (v.) -ation 运用： MBA: Master of Business Administration 工商管理硕士 31 user-friendly 构词法：派生 user (n.)-friendly -friendly含“对友好”之意：eco-friendly environment-friendly 环保的 32 anniversary 运用： silver wedding anniversary 银婚(25周年) golden wedding anniversary 金婚(50周年) diamond wedding anniversary 钻石婚(60周年) 33 effectively 构词法：派生 effect (n.) -ive effective (adj.)-ly 运用：cause and effect 因果 in effect=in fact=actually 实际上 come into effect 生效，实行 have an effect on 对有影响 34 network 构词法：合成 network 35 permit 同义词：allow 辨析： allow词意较弱，含有“听任”、“默许”、“不加阻止”的意思 permit词意较强，强调“正式认可”、“批准”的意思 36 sightseeing 构词法： 派生 sightsee (v.) -ing 运用：go sightseeing 去观光，去游览 归纳拓展： go camping 去野营 do (some) shopping 购物 go sailing 去航海 do (some) reading 阅读 go shopping 去购物 do (some) sewing 做针线活 go fishing 去钓鱼 go swimming 去游泳 36 horrible 同义词：terrible 37 damp 反义词：dry 38 dozen 运用：与数词或many, several等连用时，复数不加s： atwo dozen eggs 一两打鸡蛋 some dozen (of) people 约12个人 dozens of 几十，大量，许多： for dozens of years 好几十年以来 39 union 来源：unite (v.) 40 discount 构词法：派生 dis-count (v.) 运用：We give （a）10 discount for cash. 现金付款，我们予以九折优惠。 Work in pairs and try to guess what a word means by looking at its prefix. Prefix Example Meaning anti-anti-cloning dis-disappear in- im- il- ir- incorrect impossible illegal irresponsible against, opposed to not , opposite of not, without Prefix Example Meaning pre-preview pro-pro-cloning un-unfair rerebuild early, before in favor of, supporting not, opposite of again Try to guess what a word means by looking at its suffix. Suffix Examples Meaning -able comfortable -fulcheerful -istscientist worthy of, able to be full of, characterized by someone who does something Suffix Examples Meaning -lesshopeless -mentagreement -nessdryness without indicate a state or condition indicate a state, quality or character Work in groups of four and try to give more prefixes and suffixes and list several words as examples. Discussion Prefix ExampleMeaning de- mal- non-not decompose（分解） maltreatment, malnutrition non-smoker, non-alcoholic, non-profit apart, from badly, ill inter- international, interaction between tele- telescope, telegram, telecommunications far Prefix ExampleMeaning trans- transport, translate, transnational across mis- misunderstand wrong sub- subtitle, subway, submarine under over- overeat, overwork too much Some other commonly used suffixes -alcultural, national, original relating to -ion invitation, competition, protection action or condition of state of being, skill -ship hards