上海秋季牛津新世纪英语九年级上册九上句型转换专题(含词汇语法练习)

用所给单词的适当形式填空1. Li Ping is good at _________. ( draw)2. Alice prefers to do some__________. (shop)3. Mary is my _______ sister and she is 2 years _________ than I . (old)4. Excuse me, what is the ____________ of this word? (mean)5. All the __________ of the game will be given a nice present tomorrow. ( win)6. The video game machine is so __________ that all of us are _________ in it. (interest)7. We are _________ thankful for all your help.(true)8. Our life today is much _________than before. (good)9. December is the_________ month of a year. (twelve)10. Computers are becoming more and more________ in our life.( use)11. " Don't play football in the street." The policeman shouted at the children ________. (angry)12. Did you enjoy ___________at yesterday's party? (you)13. What is the __________ of the parcel? (post)14. Every morning my grandpa spends half an hour ___________ the flowers. (water)15. Computers can work out problems far _______________ than human beings. (quick)16. Mary is the __________ of three sisters. (old)17. The little girl plays piano ____________. (wonder)18. Who was the ___________ of the high jump? (win)19. When he was only 3 years old, he started hard ______________ with his father. (train)20. Now more and more ___________ are coming to visit China from other countries.(visit)21. I found his ____________pen under the table. (lose)22. Have you received Mary's _____________? (invite)23. Alice bought 2 hula hoops instead of two _____________of bread. (loaf)24. We must not only think _____________.(we)25. The boy is sitting in his seat ____________. (quiet)26. Today is his _______________ birthday. (eighty)27. Tom can throw ___________ than I (far)28. He started_____________ the piano at the age of four. (play)29. Children should do some housework. It is also a way of ______________.(relax)30. "It is never too late to learn" is a Chinese ____________.(say)31. Don't believe her. I can __________ say that she did not tell us the __________. (true)32. It is raining _____________. You must drive carefully. (heavy)33. My deskmate look _____________, for he failed in the English test. (happy)34. How______________ he has got the first prize. (luck)35. The old lady looked ____________ at me. (angry)36. Many animals are so ______________ to us. (help)37. We are going to have a ___________ about this problem.(discuss)38. Don't take it away. It is an ___________ test paper.( correct)39. The famous ___________ can speak 3 languages. (science)40. These artists use _______things or men as their models. They draw pictures ____ well. (real)41. My daughter looks much________________ than her deskmate. (health)42. Some ____________ are interested in Chinese food. (Germany)43. The teacher ___________ the matter just now. ( discussion)44. All of you must hand in your ____________ after class. (paper)45. The weather report says it is _____________. (cloud)46. Of all the boxes, the one in the corner is the ________________. (heavy)47. All of them are ___________ to their new ____________. (friend)48. I am not used to the weather here. It is ____________. (change)49. He is a ___________ scientist. He comes from ______________. (German)50. I know these ____________ over there quite well. (fish )51. We want to have a talk with your ________________. (manage)52. Is it ____________to collect stamps? (use)53. The old man likes to live in a ____________place. Now he is sitting there ________ . (quiet)54. Please help ______________to the cake. (you)55. Our Chinese teacher has some ___________ papers _______________.( correct)。

牛津上海版九年级英语上册Unit4词汇、语法知识点归纳及练习题Key words1.screen n. the flat surface at the front of a television or computer, on which you seepictures of information 屏幕e.g. My parents and I were staring at the television screen.Can you print out this screen for me?A cinema movie screen.电影屏幕2.recognize v. know who somebody is or what something is when you see or hear thembecause you have seen or heard them before. 辨认出、认识e.g.I recognized him when he came into the room.I didn't recognize my teacher because we haven't seen each other for ten years.3.desktop n. a computer with a keyboard screen and main processing unit, that fits on adesk 台式电脑e.g. This company has bought a few desktops recently.ptop n. a small computer that can be easily carried便携式电脑I have two computers warm as a desktop and the other is a laptop.5.operate v. use of control a machine or make it work. 操作、控制、运行e.g.I have to read the instructions before I operate this washing machine.Some people can only operate well under pressure.【联想】operate动手术e.g. He was seriously injured and needed to be operated on.【联想】operation手术His operation was very successful.6.aeroplane n. a flying the call with wings and one or more engines. 飞机e.g. More and more people take aeroplane to go too far places.7.spaceship n. a vehicle that travels in space, carrying people宇宙飞船、航天器e.g. My dream is to operate a space ship.【联想】space 宇宙e.g. I know nothing about outer space.8.for the time being. 暂时、眼下e.g. The price of the pork is high for the time being.9.at present 目前、现在e.g. Mark isn't here at present. He has gone to Thailand.10.meaning n. the thing or idea that a sound word sign represents. 意思、意义e.g. He doesn't know the meaning of this article.The word has several meanings.【联想】mean v. 意思是e.g. I know what you mean.【联想】Meaningful adj. 意味深长的e.g. He give me a meaningful look.【联想】meaningless毫无意义的e.g. He is always doing meaningless things.mand n. an order given to a person an animal.命令、指示e.g. Soldiers must obey the captain commands.I can give commands to the computer.12.palmtop, a small computer that can be held in the palm of one hand. 掌上电脑、e.g. There are a lot of companies which produce palm tops at the moment.13.tiny adj. very small in size or amount. 极小的微小的e.g. This book is extremely tiny.The cage is so tiny that it can't hold two rabbits at the same time.14.unaware adj. not knowing or realizing that something is happening or that somethingexists. 没意识到，未察觉e.g. He was unaware of the coming shark.He was completely underwear of the whole affair.，【联想】be unaware of. 没意识到、未察觉，e.g. We were underwear of the danger behind us.15.depend v. used to say that you are not certain about something because of thethings have to be considered. 依靠、依赖e.g. I might not go it depends how busy I am.I can't tell you the time when I will arrive, it depends whether the traffic is good or bad.【联想】dependent adj. 依靠的、依赖的e.g. You can't be dependent on your parents or your life.【联想】dependence n. 依靠、依赖e.g. Our relationship was based on mutual dependence.【联想】depend on 依靠依赖e.g. He is the person you can depend onHis living condition depends on his salary.mon adj. happening often 常见的、普遍的e.g. Mike is a common English name.It is a common spelling mistake.【联想】in common共同、共有e.g. Jane is my best friend because we have something in common.17.knowledge n. the information understanding and skills that you gain through educationor experience.知识、学问e.g. He has a wide knowledge of physics and math.【联想】know v. 知道了解，。

1、上次课后巩固作业复习；2、互动探索老师提问问题：Where is the ninja? 学生可以看图片以抢答的形式回答问题，看谁回答的最多，然后引出今天的知识点介词。

例如：The ninja walked along the corridor（走廊）just now.介词的用法总结教学建议：此部分内容为语法专题-介词的复习课程，可以采用师生互动的方式，对于介词的分类以及介词的用法进行抢答，抢到并且答对的同学获得星星一枚，看最后谁的星星堆得最高就获胜。

（用来代表一个星星）【知识梳理1】介词含义介词（虚词），不能在句子中独立充当成分。

它总是用于名词、代词、或相当于名词的其它词类或短语或从句前。

【知识梳理2】介词的分类教学建议：点名一个学生提问介词的分类，然后请另外两个学生补充，最后老师再进行梳理补充。

每个分类也适当让学生举些例子。

（下图中按含义分类还有动向介词以及其他介词）拓展（针对程度较好的学生可以详解下表）【知识梳理3】时间介词教学建议：此环节，每个学生会抽签抽到几个介词，轮流依次展开对抽中介词的用法讲解。

回答准确无误的学生奖励一个星星。

1）in/ on/ at补充：1.at指在午夜黄昏和黎明: at night at dawn泛指圣诞节、复活节等整个节日: at Christmas在某具体的年龄: at the age of …用餐时间: at lunch time2.on指一天的节日: on Children’s Day3.in表世纪: in the 20th century, in the late 18th centuryin+一段时间，表示在这段时间之后，用于一般将来时态。

注意：在以next, last, this引起的时间状语及tomorrow, tonight, yesterday, the day after tomorrow,...ago等时间状语前及指示代词，名词所有格及形容词性物主代词前一般不加介词。

牛津上海版英语九年级第一学期一模常用词性转换及练习（含答案）1. work—worker-works2. invent—inventor(人)--invention(物)3. use—useful-used-useless4. teach—teacher5. conduct—conductor6. care—careful--carefully7. play—player8. visit—visitor9. careless—carelessly—carelessness10. clean—cleaner11. inspect-inspector12. wake--awake13. speak--speaker14. piano—pianist15. sleep—asleep16. cook—cook(人)—cooker(物)17. science—scientist18. miss—missing19. dance—dancer20. art—artist21. fish--fishing22. drive-driver23. tour-tourist24. kind-kindness25. farm-farmer26. journal-journalist27. nature--natural28. mange-manger29. library-librarian30. cover-discover31. foreign-foreigner32. music--musician33. feather--feathered34. help-helper35. busy-business--businessman36. follow--following37. read-reader38. post-postman/postwoman39. enter-entrance40. write-writer41. sit--seat42. danger--dangerous43. run-runner44. wool--woollen45. serve--service46. win-winner47. lose--lost48. pride--proud49. sing-singer50. worry--worried51. collect-collection52. swim-swimmer53. break--broken54. produce--production55. sleep-sleeper56. fill-filled--full57. contribute--contribution58. travel-traveller-traveling59. reward--rewarding60. comfort--comfortable61. climb-climber62. turn--turning63. instruct--instruction64. keep-keeper65. fly--flight66. pollute--pollution67. strange-stranger68. please-pleased69. move--moving70. wait-waiter71. know-knowledge72. appear--appearance73. jump-jumper74. meet--meeting75. disappear--disappearance78. speak-speaker79. thank--thankful80. frighten--frightened81. print-printer(物)82. noise—noisy--noisily83. life--lifetime84. sell—seller85. cross—across--crossing86. frustrate--frustrated87. dive—diver88. ill—illness89. fire—fireplace90. own—owner91. pain--painful92. tradition--traditional93. explore-explorer94. thank--thankful95. decorate-decorator--decoration96. surf-surfer-surfing97. help--helpful98. confident--confidence99. help-helper100. wonder-wonderful--wonderfully 101. different--difference102. begin-beginner103. colour-colourful104. important--importance105. paint-painter106. beauty-beautiful-beautifully 107. good--goodness108. rob-robber--robbery109. forget—forgetful-unforgettable 110. person-personal111. active-activity--actively112. think-thought113. decide-decision114. breathe-breath115. review-revision116. describe-description117. possible-impossible118. late--later119. discuss-discussion120. celebrate-celebration121. dry-drought122. enjoy-enjoyable123. air-airport124. lone--lonely125. fun-funny126. live-lively--alive127. train-training128. educate-education129. love-lovely130. clear-clearly131. slow-slowly132. exact-exactly133. final-finally134. quick-quickly135. happy-happily136. heavy-heavily137. near-nearly138. real-really139. sad-sadly-sadness140. quiet-quietly141. silent-silently142. polite-politely143. safe-safely-safety144. luck-lucky-luckily-unlucky 145. usual-usually-unusual146. health-healthy-healthily 147. success-successful-successfully 148. excite-excited-exciting149. interest-interested-interesting 150. surprise—surprised—surprising 151. amaze—amazed—amazing 152. mean--meaning153. bore—boring154. grate—grateful(近)thankful 155. dark—darkness156. park—parking157. treat—treatment158. cross—across—crossing 159. boat—boating160. salt-salty161. home-homework162. house-housework163. check---check-out164. begin-beginning165. marry-married166. lie-lying168. friend-friendly-friendship 169. most-mostly170. die-dead-death171. especial-especially172. fail-failure173. probable-probably174. realize-realization175. rail-railway176. shy-shyly-shyness177. space-spaceship178. high-highly-height179. one-first-once180. two-second-twice181. bear-born-birth182. relax-relaxed183. true-truly-truth184. name-named185. call-called186. bright-brightly187. sudden-suddenly188. direct-directly189. wide-widely190. volley-volleyball191. foot-football192. base-baseball193. give-given194. harm-harmful195. neat-neatly196. build-builder-building197. deep-deeply198. die-dying199. correct-correctly200. pleasant-pleasure-pleased201.Europe-European202.Canada-Canadian203. Africa-African204. America-American205.Australia-Australian206.Britain-British207. England-English208. France-French209.German-Germany210.Italy-Italian211. India-Indian212.Japan-Japanese配套练习:1.My workmate won first prize in the City Half Marathon when he was in his ______. (fifty)2.The school uniforms in their school are usually designed by students ______. (they)3.We should make full use of science and technology to enjoy a ______ life. (colour)4.To improve your writing skills, you’d better ______ a habit of reading. (development)5.Airships use much ______ fuel than planes, so they are better for the environment. (little)6.His homework was ______ done so there were few mistakes in it. (careful)7.She is a woman with a strong ______. Once she has made a decision, no one canchange her mind. (person)8.He has ______ for his carelessness several times, but she still unhappy. (apology)9.Tyron went to live in Australia with his family in his _____. (fifty)10.Those girls enjoyed _____ in the party last night. (they)11.There is a well-known beach three _____ away from my hometown. (mile)12.Oliver is so ______ that he has lost three cell phones on the bus. (care)13.Before we see the film, we can read some ______ reviews of it on the Internet. (recently)14.To our ______, the stranger turned out to be an old friend of my mother’s. (surprised)15.May will ______ in losing weight with the doctor’s helpful instructions. (success)16.The ______ of his daughter in the traffic accident made him very sad. (die)17.This is the _______ time that I have read this interesting novel. (three)18.The students enjoyed _______ at the Christmas party last night. (them)19.The _______ time of the train has to be changed because of the heavy rain. (arrive)20Learning and practicing will surely _________ us to make greater progress. (able)21.The government has been paying more attention to _______ problems. (economy)22.Doctors have tried their best to save the ________ patient. (death)23.The child _______ from home last week and didn’t come back until yesterday. (appear)24. I was glad to receive so many _________ from my friends at my birthday party.（card）25. The old man was too weak to get to his apartment on the _______ floor.（five）26. The three-year-old boy can’t do it by ________. We should give him a hand.（he）27. With the help of my teachers, I think I can _______ in the entrance examination.（success）28. Confucius（孔子）was a ________ man and a great education as well in Chinesehistory.（wisdom）29. Jack ________ helped the injured girl get up, and sent her to the hospitalimmediately.（gentle）30. The ________ of the modern computer is one of the greatest contributions（贡献）in human history.（invent）31. These questions are so difficult. It’s almost ________ for us to finish them in lessthan five minutes.（possible）32. People are very pleased with food _______ this month.（price）33. Let’s take the lift to the restaurant on the ________ floor.（twenty）34. The _________ local culture is beginning to attract the attention of the world.（tradition）35. The walls were ________ blue and white in color.（main）36. Let me show you how to _________ the new machine.（operation）37. It’s a _________ to share my ideas with all of you.（pleasant）38. It’s common ________ that the day becomes longer and longer when summer comes.（know）39. Maggie loves the freedom of _________ travel very much.（depend）40. Lots of products from _________ are warmly welcomed by most of people in Asia.（German）41. We all know that wild animals which are now in danger need people’s ________（protect）42. Tom’s grandfather showed great interest in Beijing opera is his ________.（favour）43. Tan Dan played a piece of music with music at the ________ of the concert.（begin）44. Shanghai International Marathon and Half Marathon _________ lots of runners each year.（attractive）45. It seems ________ for Spring Festival Gala so satisfy all 1.3 billion Chinese.（possible）46. That was such a _________ experience to us, so we will never forget it.（frighten）47. After years of searching, the police _________ found the lost boy and send himback to his family.（successful）48. It’s reported that two _________ happened in the town on the same day.（robbery）49. My mother said to my classmates,“Make ________ at home, please.”（you）50. This is the ________ time for me to see the film Murder on the Orient Express.（two）51. To begin with some ________ ideas for a story are necessary.（base）52. The article will probably be about how to ________ comic strips.（product）53. We are going to celebrate the _________ of the New Year with a party in a club.（arrive）54. I haven’t heard from my pen friend ________, so I’m a bit worried about her.（recent）55. The teacher asked us who was the first European to ________ America.（cover）56. It’s not good to make _______ for being late for school.（excuse）57. ________ Avenue is a good place for window shopping.（five）58. The comic book was so exciting that they all lost _________ in it.（they）59. It was the most _________ experience of my life. Oh, what an awful day!（frighten）60. Sometimes life is very ________, but we must continue.（helpful）61. Whenever we have trouble with our studies, our teachers help us ________.（patient）62. We have full ________ that we shall succeed.（confident）63. There wasn’t enough evidence to ________ him guilty.（proof）64. The pleasant ________ of his childhood often come back to him and make himcheerful.(memorize)65. Americans celebrate their Independence Day on the ________ of July every year.（four）66. It was the first time Jack felt he had achieved something by ________.（he）67. Tents in _______ shapes and sizes can be seen in the park on sunny days.（variety）68. Don’t worry. Everyone will be shown how to _______ the new machines.（operation）69. Pierre has been very ill ________. I hope he will feel better soon.（recent）70. Keeping pets is a _______ and I’m sure I’ve been ready for that.（responsible）71. It’s wrong of them to use ________ methods to make money.（honest）72. A survey shows __________ work six hours on average on weekdays.（German）73. He is excited that _________ amazing performance in the game attracted people’s attention.（he）74. We still need ________ more assistants for the teen center library.（second）75. My father told me that he was tired because of the _________ of the lecture.（long）76. In _________ years, Alipay is more and more popular all over the world.（recently）77. Hardworking children are more likely to _________ in the future.（success）78. It is true that computers calculate very fast and _________ give wrong answers.（rare）79. To live happily, please close the door on __________ experiences in your memory.（happy）80. When I was young, I used to climb trees with my friends in the ____ nearby.（wood）81. The study shows that the first British came to live on this island in the _____ century.（twelve）82. Many people would like to improve ______ by learning something new.（they）83. The lady was ______ to see that her lost puppy came back home again.（pleasure）84. The patient’s ____ is successful, and he’s sure to recover in several weeks.（operate）85. The local government made rules to prevent ____ traders（商人）from cheating.（honest）86. The wind blow ______, and we could see kites flying high in the sky.（gentle）87. The boy fell into the river, and a passerby heard the cry and went to ____ him.（safe）88. I took many _________ during my stay in Tibet last summer.（photo）89. It’s essential for ________ to review English words from time to time.（my）90. He held a party to celebrate his son’s _________ birthday yesterday.（five）91. They tried everything they could ________ do to improve the situation.（possible）92. Good comic strips are full of action to keep readers ________.（interest）93. I’ve bought my new house recently, so I want to ________ my old one.（sale）94. The weather was ________ last month and many people fell ill with colds.（change）95. After discussing for a whole day, they reached a ________ at last.（conclude）96. The after-sales services department is on the ______ floor of the building.(five)97. It’s dangerous to tell your ________ information to other online.(person)98. The couple have shot a number of ________ during their honeymoon trip. (photo)99. Next month Anna will work as a volunteer to offer ________help to the community.(she)100. We were busy doing our work and were of his coming. (aware)101. Don’t ________with Mr. Li when he is in bad temper.( argument)102. In a _________ survey, 28 percent of consumers were bored with online sales. ( recently)103. The story Beauty and the Beast is ________known among kids all over the world. (wide)104. In this task, _________ thinking is required as well as team work among the group.( depend)105. My name is Katherine but my friends all call _________” Kitty”.(I)106. There have been 16__________ of damage to cars in the area so far.(case)107. There are many animals with dangerous bites in the world, but which one is the _______?(bad)108. Although there may have been other factors , the dinosaurs died _______ of disease.(main)109. We’re supposed to do all this work by tomorrow, but it’s _______.(possible ) 110. The total _______ of the completed subway line 17 is 2016 kilometers.(long ) 111. The detective studied the scene and tried to ________ every detail to look back on later.( memory)112. I was very _______ when I saw huge spider on my bed.(frighten)113.W hen Tina was sad, her mother often told her some ______ to make her happy. (joke)114. Mr.Smith bought three______of local snacks for the exchange students.（box）115.T he young couple plan to have a ______ baby in the following year. (two)116.D amin was a ______. He usually went fishing with a boat in the late afternoon. (fish)117.I hadn’t seen Andera for ages. When I appeared before him, he looked very ______. (surprise)118.A good diet should ______ plenty of fresh vegetables and fruits. (including) 119.T he rising number of cars made the air in the city become even ______. (bad) 120.Angela’s interest in Chinese literature ______ come from her parent. (main) 121.The lady felt ______ and said that she would complain to the manager. (happy) 122. On the______page of the book，there is an encouraging story.（eight）123. Don't easily follow a fashion.Being______is the best rule.（you）124. Online libraries are______used for learning in the information age.（wide）125. Finally，Jack achieved his goal and became the______of a company.（own）126. The main purpose of the charity project is to offer help to______people.（home）127. When Andy was______about his lost smart phone，his friend gave him a big hug.（happy）128. Hard work pays off.I believe you will______your dream school.（entrance）129. My cousin likes to collect __________in his spare time. (stamp)130. Look! The_______lady from the left in the photo is my favourite teacher. (six)131. Jessie cooked a meal for her big family by______on New Years Eve. (she) 132. Shirley is an early bird. It was_____for her to be late for school today.(usual) 133. Fortunately, no one was______hurt in the earthquake several weeks ago.(serious) 134.The ____of Al(人工智能) will enable us to learn more about our brains.( develop)135. I will never____the days I spent with my host family in Britain. (forgetful) 136. As we all know, a ___ driver is always a danger to the public.(care)137．A seat belt can help protect passengers in many car．（accident）138．Last week the students went skating and enjoyed very much．（them）139．My school is going to have an open day on the of next month．（ten）140．Failure isn't always bad．It can teach you lessons．（use）141．For your，smoking is not allowed during the whole flight．（safe）142．Our manager greeted the guest with a smile at the entrance．（polite）143．Scientists often that farmers use natural ways to grow fruits．（suggestion）144．When they felt after the flood，the charity offered them food and clothes．（help）145. Tony's father and uncle are both ．They help keep the citysafe ．（policeman）146.Could you pass me the dictionary from the right on the shelf ？(seven)147. Everyone believes that __team will win the match this weekend ．(we) 148. “Be ____not to touch the paintings in the museum，”Mum said ．(care) 149.The artist's helps him go further on the road to his dream ．(wise) 150.The children enjoy the life in the country and live with theirfamilies ．(happy)151. I have something important to _____ with you through videotalk ．(discussion)152. Some wild animals may _____ forever if we don't stop hunting them．(appear)153. Some people like reading on Wechat, but ______ don’t. (other)154. ______ , the famous temple was not damaged in the earthquake. (luck)155. Cut the strawberries into pieces and put ______ into the yogurt. (they)156. The day was ______ , but the sun was trying to come through. (cloud)157. I’m thankful to the teacher for her ______ on my interview. (suggest)158. It’s our responsibility to make the sky ______ than before. (clear)159. Education is one of the most powerful ways to ______ one’s mind. (rich) 160. I think it’s ______ to judge a person before you really know him. (fair)Keys:1. fifties2. themselves3. colourful4. develop5.less6. carefully7. personality 8. apologized 9. Fifties 10.themselves 11. miles12. careless 13. recent 14. surprise 15. succeed 16.death17. third 18.themselves 19. arrival 20. Enable 21. e conomic 22.dying 23. disappeared 24. Cards 25.fifth 26.himself 27. succeed 28.wise29. gently 30. invention 31.impossible 32. prices 33. twentieth34. traditional 35. mainly 36. operate 37. pleasure 38.knowledge39.independent 40. Germany 41. protection 42. favourite 43. beginning 44.attract 45.impossible 46 frightening 47. successfully 48. robberies49yourselves 50.second 51.basic 52.produce 53.arrival 54.recently 55.discover 56.excuses 57.Fifth 58.themselves 59.frightening 60.helpless 61. patiently 62. confidence 63.prove 64. Memory 65. fourth 66.himself 67. various 68. operate 69. recently 70. responsibility 71.dishonest72. Germans 73.his 74. two 75.length 76. recent 77. succeed 78. rarely 79. unhappy 80. woods 81.twelfth 82.themselves 83. pleased84. operation 85.dishonest 86. gently 87.save 88. photos 89.me90. fifth 91. possibly 92. interested 93. sell 94. changeable 95. conclusion 96. fifth 97. personal 98. photos 99.her 100. un aware101. argue102. recent 103.widely 104 independent 105me 106 cases 107worst 108 mainly 109 impossible 110length 111 memorize 112 frightened113 jokes 114 boxes 115second 116 fisherman 117 surprised 118. include 119 worse 120mainly 121unhappy 122 eighth 123yourself 124 widely 125 owner 126 homeless 127 unhappy 128enter 129 stamps 130sixth 131 herself 132 unusual 133 seriously 134 development 135forget136 careless 137 accidents 138 themselves 139 tenth 140 useful141. safety 142 politely 143 suggest 144 helpless 145 policemen146. seventh 147. our 148 careful 149 wisdom 150happily 151 discuss 152 disappear 153others 154. luckily 155them 156. cloudy157 suggestions 158clearer 159.enrich 160.unfair。