1、 Unit5 vocabularyIf someone shows good manners (n.pl.禮貌；風度) to others, he is a polite person.If someone does not show good manners to others, he is impolite.prefixReviewWhy are the wetlands important for wildlife?Why are more and more birds in danger?What are the members of the Birdwatching Club stu

2、dying?Because they provide food and shelter for them.Because they do not have enough living space.They are studying the different kinds of birds in Zhalong and the changes in their numbers.1. Is Zhalong a protected area? Is it right to hunt or fish there?2.Will you be welcome if you leave litter(rub

3、bish) in Zhalong?3. Is it possible to see the birds in the future if we do not protect the wetlands?4. Do you feel comfortable if you wear new leather shoes to walk a long way in Zhalong?4 Do you think its a common（ a.普通的） flower if it comes out only at night?incorrectuncomfortableunwelcomeuncommoni

4、mpossible a.不受歡迎的a.不舒服的a.不準確的a.不可能的 a.不平常的；非凡的Look at them carefullyThey are so friendly.They are so _.unfriendlyShe is very honest.He is very _.dishonestIts _ to protect the birds.Its _to kill the birds.correctincorrectPlay a gamenecessaryimportantcomfortablecommonfriendlywelcomeablehappypossiblepo

5、litecorrectregularhonest unnecessaryunimportantuncomfortableuncommonunfriendlyunwelcomeunableunhappyimpossibleimpoliteincorrectirregulardishonestopposites friendly happy comfortable safe healthy unfriendlyunhappyuncomfortableunsafeunhealthy“un-”necessary welcome common able unnecessaryunwelcomeuncom

6、monunableopposites If someone shows good manners (pl.禮貌) to others, he is a polite person. If someone does not show good manners to others, he is not polite.If someone does not show good manners to others, he is impolite.polite possible patient impoliteimpossibleimpatient “im-”That coat is only 100

7、yuan. Its not expensive.That is inexpensive.expensive correct inexpensiveincorrect“in-”I dont believe what he says, because he is not honest.I dont believe what he says, because he is _.dishonestdishonest“dis-”These desks are not regular. Please put these _ desks in order.regular irregular“ir-”irreg

8、ularPresentation 否定前綴: dis- im- ir- in- un- 否定后綴：-lessdishonestimpossible impoliteirregularunnecessary unfriendly unwelcome unable uncommoncareless helpless uselessincorrectSome people are _ ( friendly, unfriendly) to birds. They throw stones to them.Some people feel _ (happy, unhappy) that governme

9、nt give poor people such small and _(comfortable, uncomfortable) flats.It is _ (safe, unsafe) to walk on the street at night.We should keep students staying away from the _ (healthy, unhealthy) books.unfriendlyunhappyuncomfortableunsafeunhealthyHave a try!1. Im very sad that your answer is_. (correc

10、t)2. Its very _to sleep in a small bed.(comfortable)3.The boy is _, he never tells the truth. (honest)4. The shop is quite near here. Its _to take a taxi. (necessary)5. He is very rude. He is often _to others. (friendly)6. She is very _ because she broke her glasses. (happy)7. Its _for us to live wi

11、thout water. (possible)8. He knows nothing about computers. He is_to send e-mails or play computer games. (able)Have a try!incorrectuncomfortabledishonestunnecessaryunfriendlyunhappyimpossibleunableIts to fish there.(correct)incorrectIts to wear new leather shoes to climb the hill. (comfortable) uncomfortableIf you litter（v.） there, you will be . (welcome) unwelcome1.This is “No Parking” area . (correct)2.This chair is too small. (comfortable)3.The boy didnt tell the truth(實話). (honest)4.The restaurant is quite near here. (necessary)5.I dont like him becau