Unit 3《Science versus nature》-word power教案1(牛津譯林版必修5)
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111 Teaching plan of “Word Power” Teaching objects: 1.????? learn prefix and suffix and learn to guess meanings based on prefix and suffix 2.????? learn organs of the body Teaching procedures: I Prefixes and suffixes Step I Lead-in appear, novel, regular, respect We are going to have some questions. Please use these words to help you, but you need to add some letters to the words first. 1)You cannot find your new pen. What happened to your pen? It disappeared 2) Many people respect Mr. Li and think he is a good man. He helps people out and is a good citizen and friend. So can you find a word to describe Mr. Li? Respectable 3) Miss Wang has published several books. She loves her job writing novels. So what is Miss Wang’s occupation(職業(yè))? She is a novelist 4) You cannot find the order of the numbers in a group of members. So can you find a word to describe the order of the numbers? irregular Step II Introduction independence in depend ence prefix(前綴) root (詞根) suffix(后綴) 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. Attention ! Usually a prefix will change the meaning of word, while a suffix will change the part of speech of a word. StepIII Prefixes Sometimes you can guess what a word means by looking at its prefix or suffix. Look at the examples and work out the meanings. Prefix Example Meaning anti- anti-cloning, anticancer against, opposed to dis- un- disappear, disagree unfair, unwilling not, apposed of ? in- il- im- ir- incorrect, incomparable illegal, illogical immoral, immodest irresponsible, irregular ? not, without ? pre- preview, preserve early, before pro- pro-cloning in favour of, supporting re- recreate, repeat, renew again StepIV Adding information Some other commonly used prefixes Prefix Example Meaning de- decompose, declassify apart, from mal- maltreatment, malnutrition badly, ill non- non-smoker, non-alcoholic, non-profit not inter- international, interaction, interrupt between tele- telescope, telegram, telecommunication far off trans- transport, translate, transnational across mis- misunderstand, mislead, misdeed wrong sub- subtitle, subway, submarine under over- overeat, overwork, overact too much tri- triangle, tricycle, tricolor three auto- autobiography, autoalarm, automobile self Step V Suffixes Suffix Example Meaning -able comfortable, noticeable worthy of, able to be -ful cheerful, thoughtful full of, characterized by -ist scientist, novelist someone who does something -less hopeless, aimless without -ment agreement, treatment indicate a state or condition -ness dryness, madness indicate a quality, state or character Step VI Adding information Some other commonly used suffixes -al cultural, national, original of or concerning -ion invitation, competition, protection action or condition of… -ship hardship, scholarship, relationship state of being, skill -dom freedom, kingdom condition or state of… -ish childish, selfish of the nature of… -proof waterproof, fireproof, soundproof protect against -en widen, sharpen, shorten make or become -ward eastward, homeward, backward in the direction of -like womanlike, childlike similar to Step VII Exercise Do you think we should protect nature? Complete what an environmentalist is saying below. Use the words from the box. disrespect, hopeless, illegal, uncertain,understandable I think cutting down trees should be made(1)_______ and tighter laws should be introduced. So many people are showing their(2)________ for nature; they don’t seem to care that they are destroying the environment. Sometimes I think we are fighting a(3)________ battle against people who just won’t listen. I know scientists have worked hard to achieve scientific breakthrough but it’s(4)___________ whether they’ll succeed totally.Although it’s(5)__________ that they want to advance technology, I think some things are best left the way they are. Step VIII organs of the body Look at the pictures of the major organs of the body and try to recognize them. Key for Exercise B (1) Brain (2) heart (3) liver (4) lungs (5) stomach (6) kidneys Step VIIII Homework 1.Complete Part C on page 47 in pairs or groups. 2.Read the article in Part A on page 113 and do Par B on the same page. 111- 1.請(qǐng)仔細(xì)閱讀文檔,確保文檔完整性,對(duì)于不預(yù)覽、不比對(duì)內(nèi)容而直接下載帶來(lái)的問(wèn)題本站不予受理。
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