五六单元知识点总结及习题语法要点：1、语法点：祈使句是表示请求、命令、劝告、祝愿或建议的句子。特点：1）祈使句的主语一般为第二人称，但往往省去不用。 2）一般没有疑问句，只有肯定和否定两种形式。结构： 1）be+形容词/名词：Be quiet! Be a good student!肯定形式： 2）以实义动词开头：Come in, please！ 3）Let型: Let me help you. 1）be型： Dont be careless！Never be late again next time！否定形式： 2）do型： Dont believe him！ Never do it again！ 3）let型： Let+宾语+not+动词原形+其他：Lets not think about it. Dont+let+宾语+动词原形+其他：Dont let Jim do that.在公共场所中的提示语，否定祈使句常用“No+名词/V-ing形式”，表示“禁止做某事”。 No photos！禁止拍照 No parking！禁止停车2：kind of：有点儿 Im kind of hungry. a kind of：一种（类）all kinds of：各种各样的 many different kinds of：许多不同种类的3、Why dont you+动词原形：为什么不 交际语中常见的结构，常用来提建议和请求，或征询对方的看法和意见。相当于Why not+动词原形。 Eg：Why dont we meet earlier？=Why not meet earlier？ 肯定回答：OK! All right./Good idea./Yes，I think so. 否定回答：Sorry，I/Im afraid not.4、save：救助；节省save ones life/save sth for sb为某人节省某物/save money：攒钱/save water节约用水5、one of+名词的复数形式，作主语时谓语用单数：one of my friends is going to travel to New York. symbol是一个名词，意为“象征，标记”。常用短语a/the symbol of.表示象征.。e.g .The dove is /the symbol of the peace. 白鸽是和平的象征。6. danger 是一个名词，意为危险,常用短语 be in danger意为遇险. danger前可用great修饰，表示“巨大的”.be in great danger 意为面临巨大的危险e.g.： The boy can be in great danger. 那个男孩会面临巨大的危险。7. forget （v.）意为忘记 常用短语：forget to do sth 忘记去做某事 (言下之意，事情还没做)； forget doing sth 忘记做过某事 (事情已做，但是忘了。)8.be made of 由制成（看得出原材料）be made from 由制成（看不出原材料）eg: The desk is made of wood.桌子是用木头做成的。Butter is made from milk.黄油是牛奶做成的。9. be from = come from 表示来自哪里 He is from China.= He comes from China.Is he from China= Does he come from China?He isnt from China.=He doesnt come from China.Where is he from?=Where does he come from?10. walk on 表示用某种方式行走 walk on two legswalk on hands 倒立行走 walk on knees 跪着走Unit 5 练习题一、单项填空。根据句意，从A、B、C、D四个选项中，选择可以填入空白处的最佳答案。( ) 1. _ usually live in the trees. They are only from Australia.A. PandasB. GiraffesC. KoalasD. Elephants( ) 2. Many people visit Beijing _ the holiday.A. duringB. afterC. fromD. between( ) 3. The children are very _ to the visitors. They often help them.A. beautifulB. friendlyC. lazyD. successful( ) 4. I dont want to read these books. I want to go to play basketball and _myself. A. knowB. sleepC. callD. relax( ) 5. Nancy is very tired now, _ she helps her mother do lots of housework.A. andB. becauseC. ifD. so( ) 6. Go to _, John! Its 11 p.m.A. liveB. payC. sleepD. eat( ) 23. Tommy is _. He can answer all the questions.A. cleverB. strictC. uglyD. shy( ) 7. Pandas are friendly and _. We all like them.A. uglyB. cuteC. scaryD. lazy( ) 8. Why do you like koalas? _ theyre smart.A. AndB. SoC. ButD. Because( ) 9. Where do lions come_?A. fromB. inC. intoD. on( ) 10. My mother doesnt like _.A. runB. swimingC. to skateD. jumps( )11.There is _ elephant in the zoo. _ elephant is from Africa.A. a, The B. an, The C. /, An D. a, An( )12. My work is interesting, but_ dangerous. A. a kind of B. a kind C. kinds of D. kind of ( )13. - Do you like _? - Yes , theyre very smart. A. elephant B. tigers C. panda D. animal ( )14. One of the students _ from France. He speaks _. A. are, Japanese B. is, English C. is, French D. come, French( )15. - _ do you like dogs ? - Because theyre very friendly. A. What B. How C. Why D. Where ( )16. The girl is _ shy. A. very much B. a little C. much D. little ( )17. Where _ lions _ ? A. does, from B. do, come from C. is, from D. are, come from( )18. What _ animal do you like ? A. else B. other C. others D. others ( )19. I am afraid _ tigers because they are scary. A. with B. of C. for D. in ( )20. Lets _ the dolphins now. They are very smart. A. read B. watch C. look D. see 二、完形填空。Animals are our friends. We can find different 1 of animals. Some animals are living 2 big woods(森林). And some animals are living with 3 . Animals are very 4 to man. People can teach the elephant to do some heavy 5 . And they can also teach the dog to 6 the house. A watch dog is very 7 . It can help people in danger(危险). Children 8 dogs very much. 9 of children like to go to the zoo. 10 there are many animals in zoos. Zoo is a good place for children to get to know animals. 1. A. kind B. a kinds C. a kind D. kinds 2. A. at B. on C. in D. with3. A. man B. men C. man