Unit 4 Wildlife protectionPart Ⅲ Learning about Language & Using Language导学互动1 ． What should you do if you are being bitten by mosquitoes ？(P29，Discovering useful structures)如果你正被蚊子叮，你应该怎么办呢？bite vt.& vi.(bit，bitten)咬；叮；刺痛A snake from the bush bit her in the leg.灌木丛中的一条蛇咬了她的腿。A barking dog doesn't bite.会叫的狗不咬人。Once bitten，twice shy.一朝被蛇咬，十年怕井绳。联想拓展take a bite of 咬……一口bite at 向……咬去(1)介词填空①We were almost bitten ______death by mosquitoes while camping.②The boy took a bite ______ the apple，and then threw it away.③The cat bit me ______ the arm while I was playing with it.④A fierce dog bit ______ me when I was about to leave.(2)单项填空______ twice，the postman refused to deliver our letters unless we chained our dog.A．Being bitten B．BittenC．Having bitten D．To be bitten2. ...long before humans came into being...(P30，Reading and listening)……在人类出现之前很久……come into being 形成；产生(无被动语态)We don't know when the universe came into being.我们不知道宇宙是何时产生的。Do you know when new China came into being?你知道新中国是何时诞生的吗？联想拓展come into existence 形成；产生come into action 开始行动come into effect/force/operation 生效；实施come into reality 实现；变成现实come into use/service 开始被使用come into power/office 当权；上台执政come into fashion/style 开始流行come into sight/view 看见，映入眼帘单项填空(1)Nobody knows when this old custom ______.A．came into power B．came into effectC．came into action D．came into being(2)I am sure your idea will come into ______ in the near future.A．existence B．effect C．reality D．fashion3．When scientists inspected the bones...(P30，Reading and listening)当科学家们观察它们的骨头时……inspect vt. 检查；视察The conductor wi...
