第二课时

　　module 1
　　step 1
　　1. write down the housework that was done by you last weekend in the chart.
　　2. interview your classmates in groups and make a list of the housework that was done by themselves.
　　namehousework that was done
　　the dishes were cleaned. our dinner was cooked …
　　完成任务所需要的语言结构：
　　① what kind of housework was done by you last weekend?
　　② my clothes/uniforms were washed.
　　③... was cleaned by myself.
　　3. ask some students to share their survey results. 把学生的调查结果放在展示台上，用投影仪投到屏幕上，小组代表说出成员上个周末做的家务。
　　4. t: who was the most tired and hard-working student last weekend? cheers for him/her!
　　he/she is so helpful to parents. it＂s better for you to help your parents, class.
　　they often do more housework than you every day.
　　step 2
　　1. read the new words from ＂invent＂ to ＂slipper＂ fluently until they remember them all.
　　2. close the textbook and look at the screen.
　　3. 每4大组挑选1名代表参加＂猜词＂比赛。这名代表站在前面，背朝屏幕，教师用鼠标提示小组其他学生所猜单词，学生只允许用英语表达，本组内任何同学都可以随时加话，必须用英语提醒，代表猜测鼠标指示的单词。要求读音、拼写正确。如果犯规，这个单词无效。规定时间是1分钟。
　　4. 若是陌生的游戏，教师可以找个熟悉的单词做示范。it＂s like warm-up.
　　5. 学生集体看屏幕，教师领读单词，纠正发音。
　　module 2
　　step 1 2a & 2b
　　1. before we listen, look at the picture and chart. discuss the questions with your partner below:
　　1. what are they on the table?
　　2. why are they interesting?
　　3. what are the boy and girl doing?
　　4. what are they talking about?
　　if you＂re not sure, listen to the information carefully.
　　2. listen and number them in the order you hear.
　　3. read the information in the chart, listen again and match the items. 同时，在表格的右边补充对话中提到这三项发明的额外信息。
　　4. when we check answers, we can ask students to do like this:
　　＂the shoes with adjustable heels were invented by jayce coziar and jamie ellsworth.
　　they are used for changing the style of the shoes.＂
　　5. listen again and ask students to write and repeat one sentence after another. 由于这段对话的大部分内容已经在2b表格中重现，所以播放录音的次数不用太多。
　　屏幕上呈现听力原文：
　　boy: what are those?
　　girl: they’re battery-operated slippers.
　　boy: what are they used for?
　　girl: they’re used for seeing in the park.
　　boy: oh, that’s cool! who were they invented by?
　　girl: julie thompson. and look at this heated ice cream scoop.
　　boy: i know what it’s for! it’s used for scooping out really cold ice cream.
　　girl: right. it was invented by chelsea lanmon.
　　boy: my favorite are those shoes with adjustable heels.
　　you know—you can move the heels up and down.
　　they were invented by jayce coziar and jamie ellsworth.
　　girl: and what are they used for?
　　boy: well, you can change the style of your shoes. you can make
　　the shoes go from casual to dressy.
　　step 2 2c
　　1. 教师领读对话，其中复杂、难读的人名，给学生造成很大的障碍。教师可以有意识地替换成班级学生的名字，学生朗读更容易，学习气氛更活跃。
　　2. read the conversations fluently with your partner.
　　3. 学生结对表演。one is a reporter, the other is an inventor.
　　完成任务所需要的语言结构：
　　① what are those/they? they are ...
　　② who was it/were they invented by? it was/they were invented by ...
　　③ what is it/are they used for? it＂s/they＂re used for ...
　　4. role play the conversations in front of the whole class. 教师把准备的麦克风递给扮演 reporter 的学生。
　　step 3 ＂百宝箱＂之谜
　　1. t: there＂re a lot of mysteries in the box. what are they? 两人猜测对方＂百宝箱＂的宝物，看看谁猜到的最多。
　　2. 学生 a 使用目标语言提出相关的问题，学生b根据箱中卡片上的描述回答，问题重点是围绕着发明物的日期、用途和发明人等等。
　　3. 如果得到了正确的答案，此张卡片要赠送对方；5分钟后，谁手里的卡片更多谁就是获胜者。
　　完成任务所需要的语言结构：
　　① who was it/were they invented by? it was/they were invented by ...
　　② what is it/are they used for? it＂s/they＂re used for ...
　　③ are they used ...?
　　module 3
　　step 1
　　1. 当你需要了解一项发明的信息时，你可以用被动语态的句型结构询问日期、发明人和用途。review the grammar focus.
　　when was the car invented? it was invented in 1885.
　　when were electric slippers invented? they were invented last year.
　　who were they invented by? they were invented by julie thompson.
　　what are they used for? they＂re used for seeing in the dark.
　　2. let students find the differences and reasons.
　　3. role play the conversations using the items in your life, e.g. pen, book, buses, schools, newspaper, backpack, etc.
　　step 2
　　1. describe the dearest inventions in your box. write your ideas on a sheet of paper.
　　2. make a list of the inventions at school and home as more as you can, e.g. bike, bag, pencil, biscuits, batteries, etc.
　　inventions at school: ____________________________________________________________________________
　　inventions at home: ______________________________________________________________________________