【正文】 Ss explain the words or the phrases. 2 After the Ss read the article, answer these questions.（出示幻燈片） 1） What is the article about? 2） When was it invented? 3） Who was it invented by? 4） How was it invented? 3 Read the instructions to the class, explain that Ss can bine more than one point into one sentence. Ask Ss to plete the work in pairs, then ask a few Ss to tell the class about the partners they have interviewed. Step 3 Pair work Imagine you are a businessperson, ask your partner questions about his or her invention. Then try to sell your partner‘s invention to the class. Step4 Practice Ask Ss to fill in the blanks on their own. crispy sweet salty sour 1 I don‘t like eating chocolate. The taste is too ____. 2 Mom added salt but it still wasn‘t ____ enough. 3 I prefer lemons to oranges. I like the ____ taste. 4 She likes ____+ cookies. They are hard, dry and easily broken] Step 5 利用幻燈片，出示 abacus, umbrella, binoculars, camera, bicycle Ask the Ss to find out when these things were invented, then write paragraphs about them, ask several Ss to read their paragraphs to the class. (T: Correct the answers.) 六 作業(yè)設(shè)計(jì) write a position （寫一篇 80字左右的短文） 愛迪生出生于美國(guó)，是一位偉大的發(fā)明家。 ? 3情感目標(biāo)：樹立科學(xué)觀念，培養(yǎng)積極探索、勇于創(chuàng)新的精神。 ? 2難點(diǎn)：能夠自如地談?wù)摪l(fā)明的歷史。后來他母親把他帶回家，并且自己教他，發(fā)現(xiàn)他是一名很好的學(xué)生。 情感態(tài)度與價(jià)值觀： 通過本單元的學(xué)習(xí)，弄 清楚世界上一些對(duì)人類有著重大意義的物品，尤其是中國(guó)古代的四大發(fā)明，從而培養(yǎng)自己的愛國(guó)主義精神。 n.) notice sb. do/doing sth. I notice him entering the office. 5,Groupwork: Remember the words and check each other. Step3, Grammar Focus When was the car invented? It was invented in 1885. What are they used for? They are used for seeing in the park. Step4, Exercise 一、 Fill in the blanks 1,The heated ice cream scoop is used for ____really cold icecream. (scoop) 2,The shoes with ____heels were invented by Jayce Coziar. (adjust) 3,Oh,I think you have put too much salt in the spoon.. It tastes quite _____(salt) 4,How many ____can you see in the shop?(abacus) 5,Do you think who the most famous ____is in the world?(invent) 6,What do you think is_____ invention? (useful) 7,The ____on the tree fall in autumn.(leaf) 8,The customer thought the _____weren‘t thin enough. 二、 句型轉(zhuǎn)換：同義句改寫 1,We covered the Christmas tree with lights. The Christmas tree ____ ____ _____lights. 2,His father bought a puter for him last month. A puter ____ ____for him last month. 3,Who invented the alarm clock ,do you know? Who ___the alarm clock____ _____,do you know? 4,People burn a lot of young trees every year. A lot of young trees_____ _____every year. 5,Did Mr. Wu teach you English last year? ____you ____English _____Mr. Wu last year? 1,Words 2,Grammar:The Passive Voice: be +p. p Sept6. Homework: Remember the word