1、Unit 6Keepourcityclean!第二课时第1页IntroduceWhatmakestheairdirty?makesWhatcanwedotokeepourcityclean?Wecan第2页Expressions“What makes”意思是“什么使变得”。当特殊疑问词做主语成份时,后面动词要加“s”或“es”。Whatmakestheairdirty?什么使空气变脏?eg:Who makes us laugh happily?谁使我们笑得如此开心?第3页 Expressions小练习:There are some _(sign)of our school.What _(mak
2、e)our house clean?What can you do _(help)your friends?Li Yang can_(speak)English very quickly.signsmakesto helpspeak第4页Expressions情态动词 can意思是“能够,能够”,表示一个能力。它使用方法是后面接动词原形。否定形式是 cannot,能够缩写为cant,意思为“不能,不能够”。Whatcanwedotokeepourschoolclean?我们能够做什么让我们学校更洁净?eg:We can take taxi to the cinema.我们能够乘出租车去电影院。
3、第5页Expressions小练习:1.Is the city clean?2.Smoke from factory makes the air dirty.(对划线部分进行提问)3.We can ride a bike to the park.(同义句转换)We can go to the park _.No,it isnt.What from factory makes the air dirty?by bike第6页DialoguesMakeconversationswithyourclassmates.Using:What makes the air dirty?makes What
4、can we do to keep our city clean?We can 第7页Expand立春:spring begins雨水:the rains惊蛰:insects awaken春分:vernal Equinox清明:clear and bright谷雨:grain rain二十四节气The24SolarTerms立夏:summer begins小满:grain buds芒种:grain in ear夏至:summer solstice小暑:slight heat大暑:great hear第8页Expand立秋:autumn begins处暑:stopping the heat白露:
5、white dews秋分:autumn equinox寒露:cold dews霜降:hoar-frost falls二十四节气The24SolarTerms立冬:winter begins小雪:light snow大雪:heavy snow冬至:winter solstice小寒:slight cold大寒:great cold第9页SummaryWhat makes?What can we do to?第10页Exercise()1.Rubbish makes the park .A.beautiful B.dirty C.clean()2.We put the rubbish on the
6、 floor.A.can B.should C.cantBC第11页Exercise()3.We can plant more trees the air clean.A.to keep B.keeps C.keep()4.Lets move the box from the desk.A.to B.away C.aroundAB第12页Exercise5.Can we keep our city clean?(改为陈说句)_6.It means“No swimming”.(改为同义句)_We can keep our city clean.It means you shouldnt swim here.第13页HomeworkMakeupaconversation.Using:What makes the air dirty?makes What can we do to keep our city clean?We can 第14页