剑桥二级上册Unit7.ppt

6．Brain work. 7．Listen, sing and act. 1.Should we drop litter in the park? 2.Should we drop litter in the library? 3.Should we drop litter in the cinema? Lets think: You can answer the questions like these: B.No,we mustnt. A.Yes,we should. Save the earth, Our Only Home.保护地球，我们唯一的家 Save the earth, our only home. 保护地球，我们唯一的家。 Unit 7 You mustnt drop litter in the park! 第七单元 你禁止在公园里乱扔垃圾！ must 必须，一定 情态动词，后接动词原形；其否定形式mustnt表示禁止。 drop litter 扔垃圾 drop 下降，落下 litter 垃圾 in the park 在公园里（介词短语，表地点） Now look at the picture,and make sentences with the following words. You must ... You mustnt ... drop litter jump shout kick pick paint run play eat talk wash climb sleep fish draw ride bounce in the park in the library in the classroom at home in the park 在公园里 pick flowers 摘花 pick apples on the tree 摘树上的苹果 throw food at animals 向动物们投食物 stand and shout in the boat 站在船上喊叫 sit on the grass 坐在草地上 kick the tree 踢树 in the river 在河里 You mustnt throw food at animals. 禁止向动物投食物。 -There are some dolphins in the river. -Really?I cant see them. New words and expressions: Listen to the recording,then repeat and translate. Exercises: 连词成句 1.a standing on a parrot book is there ___________________________ 2.animals throw at food mustnt you ___________________________ ? 选择填空 1.There __ a playground in our school. A.are C.am 2.There __ three dogs __ in a big box. A.is,sleep C.are,sleep 3.You mustnt __ late for the meeting. A.are C.is There is a parrot standing on a book. You nustnt throw food at animals. B.is B.are,sleeping B.be The second lesson: Revision:There be 句型 There are + 可数名词复数 There is + 可数名词单数/不可数名词 记忆口诀： There be句型有特点，主语跟在be后面。 单数主语用is，复数用are也不难。