2017最新版新目标八年级英语下册单元知识点归纳

《2017最新版新目标八年级英语下册单元知识点归纳》由会员分享，可在线阅读，更多相关《2017最新版新目标八年级英语下册单元知识点归纳（12页珍藏版）》请在装配图网上搜索。

1、八年级英语下册知识点Unit 1. whats the matter?一重点短语归纳1. foot-feet脚 tooth-teeth牙齿2. have a cold感冒 3. have a stomachache胃疼 4. have a sore back背疼5. have a sore throat喉咙疼 6. have a fever发烧7. lie down and (have a)rest躺下休息 have a rest休息8. hot tea with honey加蜜的热茶 9. see a dentist看牙医 see a doctor 看医生10.drink lots of w

2、ater多喝水 11.lots of,a lot of, 许多。大量 a lota lot of=lots of，可以修饰可数名词复数和不可数名词，一般用在肯定句中。：There are lots of （ a lot of） books in our library. There is a lot of water on the ground a lot,是一个副词词组，跟动词连用；表示十分，很等意思； Thanks a lot.12. have a toothache牙疼 13. Thats a good idea好主意14. go to bed去睡觉 go to bed early 早上

3、床睡觉 15. feel well感到好feel ill感到不舒服I dont feel well= Im not feeling well 我感觉不舒服.16. start doing/ to do sth开始做某事to do 是一件事情完成了，开始做另外一件事情doing是原来的那件事情做到一半，现在又开始做了，是同一件事情。17. two days ago两天前 18. get some rest多休息, 休息一会儿19. I think so我认为是这样 20. be thirsty口渴 21. be hungry饥饿22. be stressed out紧张 23. listen t

4、o music听音乐24. healthy lifestyle健康的生活方式 25. traditional Chinese doctors传统中医26. need to do sth需要做某事I have a toothache. I need to see a dentist.我牙痛,我需要去看牙医.We need to keep our classroom clean.我们需要保持教室的干净.27. too much +不可数名词太多的much too +形/副实在太极其，非常too many +可数名词复数太多的28.be good for sth./ doing sth. 对什么有益

5、 ，对什么有好处be bad for sth./ doing sth. 对什么有害be good to 对好be good at =do well in 在方面好，擅长begood(bad)for、begoodat的相关用法1.be good for 对.有益Doing morning exercises is good for your health.做早操对你们的建康有益。2.be good at 擅长于.Li Ping is good at basketball.李平擅长于篮球。= Li Ping is good at playing basketball.李平擅长于打篮球。be goo

6、d at = do well in 如：Im good at math. = I do well in math.我擅长于数学。3.be good to 对.好Parents are always good to their children.父母亲总是对他们的孩子好。29.get good grades 取得好成绩30.angry 用法 be angry with sb生某人的气I wasangrywith him for keeping me waiting.我对他很生气，因为他让我等了好久。 be angry at/ about sth就某事生气31.Its easy to do sth

7、做某事是容易的。Its important to do sth . 做某事很重要。32.balanced diet平衡饮食33.get tired感到疲倦 be/get tired 34.stay healthy保持健康 =keep healthy=keep in good health35.He shouldnt eat anything=He should eat nothing.他不应当吃任何东西. 36.give sb some advice给某人建议give advice 提出建议advice 是不可数名词a piece of advice 一则建议 take ones advice

8、 采纳或听从某人的建议He gave me some goodadvice.他向我提了一些很好的意见。49.sleep 8 hours a night每晚睡眠八小时， get enough sleep 得到充足的睡眠50.take medicine 吃药 服药I have to take medicine three times a day for my cold.因为感冒，我不得不一天吃三次药。二 固定结构Its +形容词 + for sb. + to do sth.做某事对某人来说是的。Its important to do sth .做某事很重要。Its important for me

9、 to eat a balanced diet.平衡饮食对我来说是很重要的.Its easy to do sth做某事是容易的。Its easy for us to find out the answer.找出答案对我们来说是容易的三重点句子1.Whats the matter ? Whats the mater with you ? 你怎么啦？=Whats the trouble with you?=Whats wrong with you?I have a cold / have a sore back / have a stomachache2.Thats too bad. You sh

10、ould / shouldnt那太糟糕了.你应该/不该You should lie down and rest / drink hot tea with honey / see a dentist / see a doctor . He shouldnt eat anything = He should eat nothing.他不应当吃任何东西. 3.Im not felling well . 这里well表示身体状况，不能用good代替I dont feel well= Im not feeling well 我感觉不舒服.4.When did it start ? About two d

11、ays ago . 什么时候开始的？大约两天前5.I hope you fell better soon . 我希望你很快好起来这里better是well的比较级10.Its easy to have a healthy lifestyle ,and its important to eat a balanced diet . 有一个健康的生活方式很容易，饮食平衡是很重要的。 Its easy to do sth . 做某事容易 / Its important to do sth . 做某事重要四知识结构.情态动词should的用法should是情态动词，它的基本用法是必须和其他动词一起构成谓

12、语。情态动词没有人称和数的变化，意为应该.。should（应当，应该）用于所有人称，表示劝告或建议。eg. You should wait a little more.你应该再多等一会儿。- I have a very bad cold.我感冒很厉害。- You should lie down and have a rest.你应该躺下，多喝水。maybe与maybe1.maybe是副词，译为“也许、可能”，相当于“perhaps”。如：Maybe he can answer the question.也许他能回答那个问题。He maybe is from the USA, too. 他可能也

13、来自美国。2.may be中的may为情态动词，译为“可能是.”。如：He may be from the USA, too. 他可能也来自美国。She may be our English teacher.她可能是我们的英语老师 few、a few、little、a little的区别和联系： 1.few / a few用来修饰可数名词，few表示否定意义，没有，几乎没有；a few表示有肯定意思， 有几个。 例如： He has few friends here, he feels lonely. 他这里没朋友，他感觉寂寞。 There are a few eggs in the bask

14、et.篮子里有几个鸡蛋。 2.little / a little用来修饰不可数名词，little表示否定意思，没有，几乎没有。 a little 表示肯定意思，有一点儿。 例如： There is little ink in my bottle, can you give me a little ink? 我的瓶子里没有墨水了，你能给我点儿墨水吗？ notuntil 直到 (否定句) 才，动词为短暂性或瞬间性动词 She didnt leave until we came.He went shopping after he got up. =He didnt go shopping until

15、 /before he got up. until/till 直到 （肯定句）动词为延续性动词 We stayed here till/until 12 oclock.Unit 2 Ill help clean the city parks.一知识点： 短语动词小结常见短语动词结构有下面几种： 1.动词+副词 如：give up 放弃 turn off 关掉 stay up 熬夜 这种结构有时相当于及物动词，如果其宾语是代词，就必须放在动词和副词之间，如果是名词，则既可插在动词和副词之间，也可放在短语动词后。2. 动词+介词 如：listen of 听 look at 看 belong to

16、属于 这种结构相当于及物动词，后面跟宾语。3. 动词+副词+介词 如：come up with 提出，想出 run out of 用完，耗尽 4. 动词+名词(介词) 如：take part in参加 catch hold of 抓住1.cheer (sb.) up 使(某人)高兴、振作 如：cheer me up 使我高兴 clean up 打扫 clean-up n. 打扫 2. homeless adj. 无家可归的 a homeless boy 一个无家可归的男孩home n. 家 4. sick adj. 生病的 作表语、定语 ill adj. 生病的 作表语 ，不能作定语5. vo

17、lunteer to do v. 志愿效劳、主动贡献 volunteer n. 志愿者 6. come up with 提出 想出 = think up 想出 catch up with 赶上 追上7. put off doing 推迟做某事 put on 穿上 (指过程) put up 张贴8. write down 写下 记下 9. call up 打电话 make a telephone call 打电话10. set up 成立 建立 The new hospital was set up in 2000. 这座医院是在2000年成立的。11. each 每个 各自的 强调第一个人或事

18、物的个别情况 常与of 连用 every 每个 每一个的 一切的 则有“全体”的意思不能与of 连用12. put to use 把 投入使用，利用 They put the new machine to use. 他们把新机器投入使用13. help sb. (to) do 帮助某人做某事 help him (to) study help sb. with sth. 帮助某人做某事 help him with English help do 帮助做某事 help study 14. plan to do 计划做某事 plan + 从句 I plan to go to Beijing. = I

19、 plan (that) I will go to Beijing. 我计划去北京。15. spend doing 花费做 I spent a day visiting Beijing. 我花了一天的时间去参观北京。 spend on sth. 花费在 I spent 3 years on English. 16. join 参加 (指参加团体、组织) 如：join the Party 入党 take part in 参加 (指参加活动) 如： take part in sports meeting 参加运动会17. run out 与 run out of run out (become u

20、sed up). 其主语往往为物。如时间，食物，金钱，油等，本身就含有被动意义。 His money soon ran out. 他的钱很快就花光了。 Our time is running out. 我们剩下的时间不多了。 run out of 主语为人，表示主动含义。 He is always running out of money before pay day. 他总是在发工资的日子还没有到就把钱花完了。 两者在一定条件下可以互换 如：The petrol is running out. 汽油快用完了= We are running out of petrol. 我们快把汽油用完了。

21、Our time is running out. 我们剩下的时间不多了。= We are running out of time18. take after (在外貌、性格等方面)与(父母等)相像 be similar to 与.相像 take after 相像 look after 照顾 take care of 照顾19. work out v. + adj. 结局，结果为 The strategies that he came up with worked out fine. 他提出的这个策略效果很好。 算出，制订出，消耗完（精力等） He never seems to be worke

22、d out. 他好像永远不会疲乏似的。 He worked out a plan. 他制订了一个计划。 I have worked out our total expenses. 我已经算出了我们总的费用。21. hang out 闲荡 闲逛 I like to hang out at mall with my friends. 我喜欢和我的朋友一起去购物中心闲荡。22. be able to do 能 会 be unable to do 不能 不会 23. thank you for doing 谢谢做某事 如： thank you for helping me 谢谢做帮助我24. for

23、sure 确实如此，毫无疑问 You dont have money. Thats for sure. 你没有钱，这是毫无疑问的。25. fill with 使充满 用填充 She filled the bowl with water. 她用水填满碗。26. hand out 分发 hand out bananas give out 分发 give out sth to sb. 分.给某人 give up doing 放弃 give up smoking 放弃吸烟 give away 赠送 捐赠 give away sth. to . give away money to kids give

24、sb. sth. 给某人某东西 give me money 给我钱 give sth. to sb. 给某人某东西 give money to me 给我线27. help sb. out 帮助做事，解决难题(摆脱困境) I cant work out this math problem. Please help me out. 我不能算出这道数学问题，请你帮我解决。28. train n. 火车 train v. 训练 train sb. to do. 训练某人做某事 She trains her dog to fetch things. 她训练她的狗去取东西。29. at once = r

25、ight away 立刻 马上 如： Do it at once. 马上去做。 Ill go there at once/ right away. 我马上去那里。30. one day 有一天 (指将来/过去) some day 有一天(指将来) 如： One day I went to Beijing. 有一天我去了北京。Some day Ill go to Beijing. 有一天我将去北京。34. disabled adj. 肢体有残疾的 disable v. 不能36. volunteer 可数名词 “志愿者” adj. 自愿的 vi. volunteer to do sthThey

26、are the Chinese Peoples Volunteers. 他们是中国人民志愿军。I volunteer to help you. 我自愿帮助你。二句子1We cant put off making a plan. Clean-up Day is only two weeks from now. 我们不能推迟制订计划，清洁日离现在只有两周了。2She puts this love to good use by working in the after-school care centre at her local elementary school. 她在当地的一所小学的课后辅导中

27、心工作，使这个爱好得到较好的利用3Not only do I feel good about helping other people, but I get to spend time doing what I love to do. 帮助别人不但自己感到快乐，而且我开始花时间做自己喜欢做的事了。4The three students plan to set up a student volunteer project at heir school. 这三个学生计划在他们校开展一个学生志愿者项目。5.He also put up some sign asking for old bikes.他

28、还贴了一些需求旧自行车的告。6.The strategies that he came up with worked out fine. 几米想出的这个办法很效。8We need to come up with a plan. 我们需要指定一个计划。9You could help clean up the city parks. 你可以帮助打扫城市公园。10He now has sixteen bikes to fix up and give away to children who dont have bikes. 他现在有16辆要修理的自行车，并准备把这些修好的自行车赠送给那些没有自行车的

29、孩子。Unit 3 Could you please clean your room?一重要词组及短语1. could you please do sth.? 你能吗？/ 请你干好吗？ 2. do the chores 做杂务3. do the dishes 洗餐具 4. sweep the floor 清扫地板 5. take out the trash 倒垃圾6. make ones bed 铺床 7. fold ones clothes 叠衣服 8. clean the living room 清扫客厅9. stay out late 晚归 10. come over 过来 11. ha

30、ve a test 考试12. get a ride 搭车 13. use ones computer 使用某人的电脑14. hate sth. / hate to do sth. / hate doing sth. 讨厌某事/做某事15. do the laundry = do some washing = wash clothes 洗衣服17. wash the car 刷车16. make breakfast / make dinner = do some cooking 做饭18. work on 从事，忙于 work at 学习、致力于、在上下工夫19. borrow some mo

31、ney 借一些钱 borrow sth. from sb. 向某人借某物(借入) lend sb. sth.= lend sth. to sb. 借给某人某物(借出) You can borrow some money from your brother. 你可以向你哥哥借些钱。 Can you lend me your bike?你能借给我你的自行车吗？20. invite sb. to do sth. 邀请某人做某事 They invited me to join their club. 他们邀请我参加俱乐部。 invite sb to a place邀请某人去某地 invite you

32、to my party21. go to the store 去商店22. agree sb. to do sth. 同意某人做某事 agree with sb. 同意某人的意见 disagree sb. to do sth. 不同意某人做某事 disagree with sb. 不同意某人的意见23. take care of = look after 照顾、照看、照料 take good care of = look after well 把照管得好26. take sb. for a walk 带某人去散步27. play with sb. 和某人玩28. forget to do st

33、h. 忘记去做某事(未做) forget doing sth. 忘记做过某事(做过)（2）关于 to 的短语总结： have to do sth.不得不，必须做某事 need to do sth.需要做某事 hate to do sth. 讨厌做某事 like to do sth. 喜欢做某事 want to do sth. 想做某事 love to do sth. 热爱做某事 forget to do sth. 忘记做某事 start to do sth. 开始做某事 begin to do sth. 开始做某事 ask sb to do sth. 请某人做某事二重点句型1. Could y

34、ou please clean your room? Yes, sure. / Sorry, I cant. I have to do my homework first.2. Could I please use the car? Sure. / Certainly. / Of course./No, you cant. I have to go out. 在表示请求帮助或请求允许的疑问句中，常用 could 代替 can，以表示礼貌，委婉或不确定的语气，而 can 则不具备这些语气。这种情况下不能把 could 看作 can 的过去式。以上两句中用 could 是为了表示礼貌的请求。表示请

35、求帮助或请求允许时，除了 can, could 之外，还可以用 may，句子的表达方式也各有不同，可以用不同的方式来表示同一个概念。例： Could / Can / May I use your car for a day? 作允答可以各种各样： 如同意可以说 Yes，或 Sure 或 Certainly，还可说 Yes, (do) please. 或 Of course. (you may / can). 或 Thats OK / all right. 如果不同意，可以说 Im sorry you cant. 或 Im really sorry, but I have to use it t

36、oday. 要避免说 No, you cant. 这样显得很不礼貌。否定回答通常用委婉语气。Unit4.Why dont you talk to your parents?一、重点短语 1. have free time有空闲时间 2. allow sb. to do sth. 允许某人做某事3. hang out with sb. 与某人闲逛 4. after-school classes课外活动课5. get into a fight with sb. 与某人吵架/打架 6. until midnight直到半夜7. talk to sb. 与某人交谈 8. too many太多9. st

37、udy too much学得过多 10. get enough sleep有足够的睡眠11. write sb. a letter给某人写信 12. call sb. up打电话给某人13. surprise sb. 令某人惊讶 14. look through翻看15. be angry with sb. 生某人的气 16. a big deal重要的事17. work out成功地发展;解决 18. get on with和睦相处；关系良:19. fight a lot经常吵架/打架 20. hang over笼罩21. refuse to do sth. 拒绝做某事 22. offer

38、to do sth. 主动提出做某事23. so that以便 24. mind sb. doing sth. 介意某人做某事25. all the time一直 26. in future今后27. make sb. angry使某人生气 28. worry about sth. 担心某事29. copy one s homework抄袭某人的作业 30. be oneself做自己31. family members 家庭成员 32. spend time alone独自消磨时光33. give sb. pressure给某人施压 34. have a fight with sb. 与某人

39、吵架35. compete with sb. 与某人竞争 36. free time activities业余活动37. get better grades取得更好的成绩 38. give one s opinion提出某人的观点39. learn exam skills学习应试技巧 40. practice sports体育训练41. cause stress造成压力 42. cut out删除一. 重要词汇和句型1. get ( 1 ) 买 get sth. for sb. = get sb. sth. 为某人买某物 Can you get some fruit for me when y

40、ou go shopping ? = Can you get me some fruit when you go shopping ?( 2 ) 得到, 到达 Where did you get the book ? When did you get the letter ? He got home late last night .(3) 使, 让 get + 宾语 + 宾补 使某人 某物 怎么样 Please get you coat clean . Get your mouth closed . get sb. to do sth. 使某人 某物做某事 I got him to call

41、 Jim yesterday .(4) ( 逐渐) 变得The weather gets warmer and days get longer . Why did the teacher get angry ? 2. how about what about 后跟名词 代词 动词ing形式。( 1) 向对方提出建议或请求 How about going out for a walk ?How about something to eat ? (2) 向对方征求意见或看法 How about the TV play ? How about buying the house now ?( 3 )

42、询问天气或身体情况 How about the weather in Hainan Island ? How about your parents ? Are they living with you ?( 4 ) 谈话中承接上下文 Im forty years old . How about you ? Im from Beijing . How about you ?3. receive 收到 The girl was happy to receive many gifts on her birthday . receive a letter from = get a letter fro

43、m = heard from收到某人的信 I received a letter from my parents last Sunday . = I got a letter from my parents last Sunday . = I heard from my parents last Sunday . accept 接受 He couldnt accept our suggestions but our gifts . She was very glad to receive the invitation . He didnt receive a good education at

44、 university . I received an invitation to the party , but I refused to accept it . 4. a 6-year old child 一个六岁的孩子6-year old 是由 “数词 +名词 + 形容词 ” 构成的复合形容词, 作前置定语, 修饰后面的名词child . 数词+名词+形容词 构成的复合形容词，中间的名词要用单数形式：a five-year-old girl 一个五岁的女孩 a two-meter-long ruler 一把两米长的尺子 a ten-story-high building 一栋十层高的楼房

45、 a two-inch-thick dictionary一本两英寸厚的词典5. too to 太 而不能 too 后跟形容词或副词原形, to 后跟动词原形, 构成不定式. 句子的主语与动词不定的主语不一时, 可以在动词不定式前加逻辑主语for sb. He is too young to join the army ( 军队) . 他年纪太小，不能去参军。 The math problem is too difficult for me to work out . 这道数学题对我来说太难了，做不出。 too to 可以与 enough to 和 so that 转换. 与enough to转

46、换 时, enough 前的形容词, 副词必须是too 后面形容词, 副词的反义词, 并使用其否定句式. She is too young to do the work . = she isnt old enough to do the work . 与 so that 转换时, that 后面的从句要用否定形式. Tom is too tired to walk any farther . = Tom is so tired that he cant walk any farther .6. cost 1) 动词 , 花费 价值 (多少钱 ) How much did it cost ? 这

47、花了多少钱？ I didnt buy it because it cost too much . 我没有买，因为它太贵了。 The meal cost us about 100 yuan . 这顿饭花费了我大约100块3.7. pay , spend , cost , take 的区别 pay 花费 ( 多少钱 ) , 主语是人. Sb. pay some money for sth.I paid 5000 yuan for the computer last week . 我上个星期花了5000买电脑。 Spend 花费 ( 多少钱或时间 ),主语是人. Sb. spend some mon

48、ey on sth. Sb. spend some time ( in ) doing sth. I spent 5000 yuan on the computer last week . She spent 2 hours ( in ) doing her homework . 她花了2个小时做作业。 cost 花费 ( 多少钱 ) , 主语是物. Sth. cost sb. some money .This jacket cost him 200 dollars . 这件夹克衫花费她200美元。 take 花费 (时间 ),主语为It It takes sb. some time to d

49、o sth .花费某人多少时间做某事How long does it take sb. to do sth ? 花费某人多少时间做某事?It took Liu Hong 2 hours to do her homework . 刘红花了2个小时做作业。 8. sleep , sleeping, sleepy , asleep , fall asleep , be asleep sleep 动词, 睡觉, 强调动作. I am very tired . I want to sleep . 我很累，想睡觉。 sleeping , Sleep 的现在分词, 表示 “ 正在睡觉” Dont make

50、so much noise . The baby is sleeping . 不要这么吵，宝宝在睡觉。 sleepy 想睡觉的, 困倦的. I am a little sleepy. Id like to go to bed . 我有点困了，我想去床上睡觉了。 asleep 睡着了的. The teacher found Tom asleep in class and kept him behind after school .老师发现汤姆上课睡觉，放学后就把他留了下来。fall asleep 强调从没有睡着到睡着的过程, 不能接一段时间 I couldnt fall asleep until

51、 it was very late last night . 我昨天晚上到很晚才睡着。 be asleep 表示睡着后的状态 , “ 睡着了”, 可以接一段时间 . He was asleep for three hours . 他睡了3个小时。9. choose 动词, “ 选择,挑选 ” , 过去式chose, 过去分词chosenchoose to do sth. 选择做某事 We choose Mike as our leader ( 领导 ). 我们选择迈克作为我们的领导。 Will you help me choose a dictionary ? 你会帮我选一本字典吗？10. o

52、pen ( 1 ) 动词, 打开 , 开业, 开张, 展现Would you mind opening the window ? 你介意我把窗户打开吗？ ( 2 ) 形容词, be open 开着的, 开放的On weekends the swimming pool is open to the public . 在周末，这个游泳池是对公众开放的。 close 动词, 关闭, 关上 , 合上closed 形容词, be closed 关着的, 关闭的11. rather than 而不是 后面跟名词, 代词, 从句The color seems green rather than blue .

53、 这种颜色看上去像绿色而不是蓝色。We depend on you rather than on him . 我们依赖的是你父亲而不是他。 prefer to do sth rather than do sth . 宁愿 , 也不 She preferred to stay at home rather than go with us . 她宁愿待在家里也不愿和我们一起去。12. instead (1) 位于句首, 表示 “ 反而, 相反” I didnt go to the cinema last night，instead, I watched a football match on TV

54、.我昨天晚上没有去看电影，反而是在家里看了场足球赛。 ( 2 ) 位于句尾, 表示 “ 作为代替, 而是”I dont like this one , please give me that instead . 我不喜欢这件，给我那件吧。instead of 后跟名词, 代词, 动名词, 介词短语.表示 “ 代替, 而不是” We walked down the stairs instead of taking the elevator ( 电梯 ) .我们不是坐电梯下来，而是走楼梯。13. encourage 动词, 鼓励, 激励 encourage sb. to do sth.鼓励某人做某

55、事Parents should encourage children to do things by themselves .家长们应该要鼓励孩子们自己动手做事情，14. progress 名词, “ 进步, 进展” make progress “取得进步, 取得进展”Tom is now making great progress at school . 汤姆现在在学校的进步很大。15. take an interest in ( doing ) sth. 对 ( 做 )某事感兴趣 否定表达是 take no interest in ( doing ) sth. 对 ( 做 )某事不感兴趣D

56、o you take an interest in English ? 你对英语感兴趣吗？Most children take an interest in playing computer games . 大多数孩子对电脑游戏很感兴趣。21. make friends with sb. 和某人交朋友 Would you like to make friends with us ? 你想和我们交朋友吗？ Unit5 . What were you doing when the rainstorm came?一、重点短语 1. make sure 确信;确认 2. beat against. 拍

57、打 3. fall asleep 进人梦乡；睡着 4. die down 逐渐变弱；逐渐消失5. wake up 醒来 6. in a mess 一团糟7. break. . apart 使分离 8. in times of difficulty 在困难的时候9. at the time of 当.时候 10. go off (闹钟)发出响声11. take a hot shower 洗热水澡 12. miss the bus 错过公交车13. pick up 接电话 14. bring. together 使靠拢15. in the area 在这个地区 16. miss the event

58、 错过这个事件17. by the side of the road 在路边 18. the Animal Helpline 动物保护热线19. walk by 走路经过 20. make ones way to. . 在某人去的路上21. hear the news 听到这个消息 22., important events in history 历史上的重大事件23., for example 例如 24., be killed 被杀害25., over 50 5 0多(岁） 26. a school pupil 一个小学生27. on the radio 通过广播 28., in silence 沉