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1、1,Listening and Speaking,Part I,Book 3-Unit 4,2,Listening and Speaking,Book 3-Unit 4,Return to Menu,Brainstorming Listening Speaking,Brainstorming,Book 3-Unit 4,Work with your group to think of as many words/phrases/expressions as possible regarding the following topics. Names of small stationary ob
2、jects Verbs expressing the use of small stationary objects Names of tools for using on small objects Names of parts of machines or gadgets in everyday life,Names of Small Stationary Objects,highlighter,correction tape / roller,glue,clip,copy holder,note pad,staple,file holder,pencil/pen/ball-point p
3、en/gel ink pen/refill,pencil sharpener,Book 3-Unit 4,ruler,compass,chalk,eraser/rubber,guillotine (trimmer),correction fluid,adhesive tape,punch,envelop,Book 3-Unit 4,staple remover,calculator,Verbs Expressing the Use of Small Stationary Objects,handle hold punch holes cut pull staple bind sharpen a
4、 pencil,refill rub out/erase wind up press the button plug it in unplug switch/turn on/off press highlight,Book 3-Unit 4,cutter blade,tool kit,screwdriver,drill/electric drill,pliers,nail,scissors,spanner,Book 3-Unit 4,pincers,saw,hammer,tape measure,Names of Tools for Using on Small Objects,screwdr
5、iver pincers(镊子/钳子) pliers(钳子) spanner(扳手) hammer nails drill electric drill tape measure,Book 3-Unit 4,9,Names of Parts of Machines or Gadgets In Everyday Life,battery,battery charger,sockets,adapter,power extension,switch,plug,Book 3-Unit 4,11,What is this?,12,13,14,Listening,Listen to “Invisible
6、Writing” and finish the following tasks. Task 1: Take notes and fill in the blanks. Task 2 : Explain briefly how to produce invisible writing with milk and then how to rewrite the message. Task 3: Explain briefly how to produce invisible writing with water and then how to retrieve message.,Book 3-Un
7、it 4,The following words in the recording may be new to you: espionage: n. the action of spying; work of finding out the political secrets of countries to be passed on to other countries. E.g. Industrial espionage is the stealing of knowledge about another firms business. nib: n. the pointed usually
8、 metal piece fitting on the end of a pen, with a crack for ink to flow to the point retrieve: v to get back E.g. Hounds can retrieve the kill for their masters when hunting. dampen: v. to cause to become damp or wet. E.g. The rain hardly dampened the ground.,Book 3-Unit 4,A: Have you heard of invisi
9、ble writing? B: Invisible writing? _. Spies use a special kind of ink to_. A: Yes, youre right, but you dont need to use special ink, _. B: Milk? I have heard of using water, but not milk. Interesting!_? Tell me how to write in milk. A: OK, now, listen,Task 1: Take notes and fill in the blanks,Sound
10、s like espionage,write messages,you can use milk,How about trying it now,Book 3-Unit 4,B; Oh, clever. Isnt it? I know how to write an invisible letter in water. _. You want me to show you how to do it? A: Yes, how do you write with water? B: OK, let me show you. A: _ OK, now, go ahead. B: A: OK, _,
11、Ive done that, go on. B: B: Dont worry. _ and the writing can be seen again. A: Let me try B: What happens? A: Oh, wonderful! _.,Script,I learnt this from a movie,Wait a minute, Ill get the things ready,write firmly,To read the paper, you only have to re-wet it,The message shows up now,Book 3-Unit 4
12、,Task 2: Listen again and explain briefly how to produce invisible writing with milk and then how to rewrite the message.,Book 3-Unit 4,Reference Answers,Prepare a piece of paper, pour some milk into a cup as ink, and use a paintbrush or a pen with a new nib to write the message on the paper. Then l
13、et the message dry. To retrieve the message, first light a candle, hold the paper well above the flame, not near enough to burn it and the writing shows up gradually.,Book 3-Unit 4,Task 3: Explain briefly how to produce invisible writing with water and then how to retrieve message.,Book 3-Unit 4,Get
14、 ready two sheets of paper, a mirror or a piece of glass and a hard pencil. Dampen one of the sheets of paper and put it flat on the glass. Put the dry piece over it and write the message firmly on the dry sheet, pressing hard so an impression goes through to the damp paper underneath. Then, throw a
15、way the top piece of paper. When the damp sheet dries, the invisible writing is produced. To read the message, simply rewet the paper and the writing can be seen again.,Reference Answers,Book 3-Unit 4,Speaking,Task 1 Discussion Task 2 Story-telling Task 3 Picture description,Book 3-Unit 4,Discuss with your partner and explain how you do the following things, and then report your interview to the class.,You may ask questions like the ones listed in Section 3A on page 43. You may use some of the expressions listed in Section 3B on page 43.,Task 1: Discussion,Book 3-Unit 4,The fo