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
(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 c