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美句 抒情类: 1. Where there isgreat love, there are always miracles. 2. Love is like abutterfly. It goes where it pleases and it pleases where it goes. 3. Love keeps thecold out better than a cloak. 4. A good mother is worth a hundredschoolmasters. 5. I love you not for thethings you would bring to me but to accept everything you could bring. The truelove is not for showing, but I am sure that even if all other people abandon me,you will still be my side. 6. A friend is someone who understands yourpast, believes in your future, and accepts you just the way you are. 7. I wish I could find someone who would feelmy pain even though I'm saying OK with a smile. 8. A true friend is someone who reaches foryour hand and touches your heart. 9. People differ in their attitudes towards failure.Faced with it, some of them can stand up to it, draw useful lessons from it andtry hard to fulfill what they are determined to do. Others, however, lose heartand give in. 10. Thegood life is one inspired by love and guided by knowledge. - Bertrand Russell 11. Everyman is master of his own fortune. – Steels 12. Happiness lies, first of all, inhealth. – Curtis 13. Man lives in hope. – Maupassant 14. The value of life lies not in thelength of days, but in the use we make of them. – Montaigne 15. Duty is a power which rises withus in the morning.- Gladstone 16. The measure of a man is not wherehe stands in moment of comfort, but where he stands at times of challenge. –King 17. If you do not plant knowledge whenyoung, it will give us no shade when we are old. – Chesterfield 18. Character is what you are in thedark. 19. But all this success comes after he has gonethrough much pain and embarrassment. 20. The best and most beautiful things in the worldcannot be seen or even touched. They must be felt with heart. 21. No matter how long the rain lasts, there will bea rainbow in the end. No matter how sad you may be, happiness is alwayswaiting. 22. Life has its ups and downs. You will never fullyappreciate the ups unless you have some downs. 23. Hope is what makes our life continue forward. 24. Though there is much to be concerned about inour life, there is far more for which to be thankful. 25. Not only do books show us a broad world, butalso they benefit our lives. 26. I have developed the habit of reading newspapersbecause they can tell us the latest news concerning all kinds of eventshappening both at home and abroad. 27. One should spare no efforts in studying English. 28. I’m determined to keep my promise so as not tolet friends down. 29. My gratitude for my teacher is beyond anydescription. 30. I find myself making fast progress gaining moreconfidence in our language learning abilities. 31. Life is sad at times, but it is up to you tomake your own life happy. 32. Life isn’t about waiting for the storm to pass.It’s about learning to dance in the rain. 33. All our dream can come true if we have thecourage to persue them. 34. Life is like a box of chocolate, you never knowwhat you are gonna get. 35. Experiences in life teach us new lessons andmake us a better person. With each passing day, we learn to handlevarious situations. 36. Optimism is essential to achievement and it isalso the foundation of courage and true progress. 37. Life is a chain of moments of enjoyment. 38. There are many factors that can contribute to aperson’s success in life. 39. Youth is not a time of life; it’s a state ofmind. 40. Ihave found that if you love life, life will love you back. 41. Alllife is an experiment. The more experiments you make, the better. 42. Happiness always sneaks in a door you did notthink was open. 43. Being happy doesn’t mean that everything isperfect. It means that you’ve decided to look beyond the imperfections. 44. Wemust letgo of the life we had planned so as to have the life that is waiting for us. 45. Yougain strength, courage and confidence by every experience in which youreally stopto look fear in the face. 46. Whenwe are no longer able to change a situation, we are challenged to change ourselves. 47. Be smart enough to holdon, be brave enough to let go. 48. The harder you fall, the higher you bounce. 49. The best way to predict the future is tocreate it. 50. People willhate you, rate you, shake you, and break you. But how strong you stand iswhat makes you. 51. Ifthere's something you want to experience, look into it. If it's something thatis possible, make it happen. 52. Whatyou have inside is much more beautiful than what is on the outside. 53. Theirstories encourage me to pursue my dream no matter how many hardships I will gothrough. 议论类: 54. I maintain that nothing can take the place of hard work. 55. From where I stand, whathe just said was reasonable. 56. It is generally believed that the chief reason for the increase inpopulation in developed countries is ... . 57. When it comes to ..., some people think that ... Others argue that theopposite is true. There is probably some truth to both arguments, but ... 58. When asked about ...,most people say ... But many other people regard ... as ... I personally think... 59. It is my view that many factors should be takeninto consideration when we evaluate the benefits of the international tourismindustry. 60. I have positive attitudes toward the beneficial effectof using computers on children’s learning. 61. I am convinced that discrimination on the grounds ofrace, gender and disability should be banned. 62. I am of the opinion that the government is more likely toreduce or avoid immoral practices in scientific research. 63. In my opinion, it is clear/true/obvious/certain that more manpower and material shouldbe spent on the problems to which the masses most need solutions. 64. To understand why there are such conflicting opinions, we must first look at the factsin favor of each argument. 65. It’sa common phenomenon in society that people are gettingpoliter than they used to be. 66. I think all of us should mind our manners inpublic places. 67. If everyone does a little for others, it willmake a difference. 68. Itis high time that we took some responsibility forprotecting mother nature. 69. Fromnow on, I will always remember to do my homework by myself. It will help melearn responsibility and it'll also get me a better score. 70. Ilove visiting that website because it's loaded with useful information. 71. Withoutlanguage it would be impossible to communicate. 72. Noone can deny the fact that the environment is getting polluted moreand more seriously. 73. It’sgood manners to give up seats to elderly people or women withbabies on buses. 74. Itis generally accepted that many young people are hooked online.
英英解释 《部分英语单词、词组释义表》 一、单词 1. achieve (v.) gain/get 2. active (adj.) (be)always ready to do things 3. again oncemore 4. altogether (adv.) in all 5. ambition (n.) (strong)wish 6. ancient ( adj.) very old 7. apologize (v.) say sorry to 8. appear (v.) come into view 9. argue (v.) say things that showyou disagree with someone 10. attend (v.) be present; go to 11. attractive (adj.) good to look at 12. available (adj.) able to be used 13. boring (adj.) dull, notinteresting 14. celebrate (v.) hold festivals; expresshappiness about sth. 15. character (n.) a person, animal in a book,play, film, etc 16. chief (adj.) most important 17. citizen (n.) person who lives in atown or in a city 18. collect (v.) bring together 19. communicate (v.) give and receive information/messages 20. complain (v.) say that one is notsatisfied, that something is wrong 21. complete (adj.) having all its parts, whole (v.) finish, end 22. connect (v.) join together 23. continue (v.) go on; keep doing 24. correct (adj.) right 25. culture (n.) customs, arts,traditions, etc.of a group of people 26. decorate (v.) make more beautiful byputting sth. in or on 27. decision (n.) something you choose todo after thinking about it 28. deliver (v.) give out/take sth. topeople 29. describe (v.) say what sth, or sb. islike; give a picture of in words 30. disappear (v.) can’t be seen 31. discover (v.) find out 32. discuss (v.) talk about 33. dull (adj.) boring; not interning 34. encourage (v.) give hope to; support 35. engineer (n.) a person who plansand designs, engines, etc 36. enter (v.) go or come into 37. environment (n.) the natural world aroundus/that we live in 38. examine (v.) look at carefully in orderto learn about 39. exchange (v.) give, receive (onething) in place of another 40. expect (v.) think or believe thatsth. will happen 41. experience (n.) skill and knowledge gainedfrom doing sth.
英语词转 词性转换总复习 <?xml:namespace prefix="o" ns="urn:schemas-microsoft-com:office:office"></?xml:namespace> 1. absence n. absent a. 2. add v. addition n. additional a. 3. agriculture n. agricultural a. 4. able a. enable v. disable a. 残疾的 ability n. 5. amaze v. 使吃惊 amazing a. amazement n. 6. advise v. advice n. 7. art n. artist n 8. act v. actor actress action activity n. active a. actors actresses activities (pl.) actual a. (实际的) actually ad. 9. apologize v. apology n. 10. attend v. attentive adj. attentively adv. attention n . 11. America n. American a. 12. <?xml:namespace prefix="st1" ns="urn:schemas-microsoft-com:office:smarttags">Australia n. Australian ( n. a.)</?xml:namespace> 13. Africa n. African a. 14. alive a. live v. lively a. living a. life n. 15. asleep a. sleepy a. sleep (v, n.) sleepless a.失眠的 不眠的 16. allow v. allowable a. allowance n. (津贴) 17. announce v. announcement announcer n. 18. Asia n. Asian a. 19. attend v. attentive a. attention n. attentively ad.聚精会神地 20. attract v.吸引 attractive a. attraction n. (区别attack 进攻) 21. achieve v. 得到 achievement n. achievable a. 22. auto v. automatic a. automatically ad. 23. arrive v. arrival n. 24. appear v. disappear v. (dis)appearance n. 25. advertise v. advertisement n. 26. amuse v. amusement 娱乐 n. amusing a. 27. argue v. argument n. 28. anger n. angry a. angrily ad. 29. ambition n. ambitious a. 30. (dis) agree v. agreement n. 31. arrange v. arrangement n. 32. age n. aged adj. 33. awful a. awfully adv. 34. accept v. acceptable a.可以接受的 accepted a.公认的 acceptance n. 35. adopt v. adoption n. adopted a. adoption n. 36. advantage n. disadvantage n. 37. agent n. agency n. 38. assist v. assistant n. 39. available a. availability n. 40. bank n. banker n. 41. begin v. beginner beginning n.
化学考纲word文档:实验基本操作 实验部分 1:基本操作 (1) 药剂的取用:“三不准”①不准用手接触药品②不准用口尝药品的味道③不准把鼻孔凑到容器口去闻气味 注意:已经取出或用剩后的药品不能再倒回原试剂瓶,应交回实验室(要放入指定的的容器内)。 A:固体药品的取用 取用块状固体用镊子(具体操作:先把容器横放,把药品放入容器口,再把容器慢慢的竖立起来);取用粉末状或小颗粒状的药品时要用药匙或纸槽(具体操作:先将试管横放,把盛药品的药匙或纸槽小心地送入试管底部,再使试管直立) B:液体药品的取用 取用较少量时可用胶头滴管,取用较多量时可直接从试剂瓶中倾倒(注意:把瓶塞倒放在桌上,标签向着手心,防止试剂污染或腐蚀标签,斜持试管,使瓶口紧挨着试管口) (2)物质的加热 给液体加热可使用试管、烧瓶、烧杯、蒸发皿; 给固体加热可使用干燥的试管、蒸发皿、坩埚 A:给试管中的液体加热 试管一般与桌面成45°角,先预热后集中试管底部加热,加热时切不可对着任何人 B:给试管里的固体加热: 试管口应略向下(防止产生的水倒流到试管底,使试管破裂)先预热后集中药品加热 注意点: 被加热的仪器外壁不能有水,加热前擦干,以免容器炸裂;加热时玻璃仪器的底部不能触及酒精灯的灯芯,以免容器破裂。烧的很热的容器不能立即用冷水冲洗,也不能立即放在桌面上,应放在石棉网上。 (3) 溶液的配制 A:物质的溶解 加速固体物质溶解的方法有搅拌、振荡、加热、将固体研细 B:浓硫酸的稀释 由于浓硫酸易溶于水,同时放出大量的热,所以在稀释时一定要把浓硫酸倒入水中,切不可把水倒入浓硫酸中(酸入水) C:一定溶质质量分数的溶液的配制 ①固体物质的配制过程 计算、称量、量取、溶解用到的仪器:托盘天平、药匙、量筒、胶头滴管、烧杯、玻璃棒 ②液体物质的配制过程 计算、量取、溶解 用到的仪器:量筒、胶头滴管、烧杯、玻璃棒 (4)过滤 是分离不溶性固体与液体的一种方法(即一种溶,一种不溶,一定用过滤方法)如粗盐提纯、氯化钾和二氧化锰的分离。 操作要点:“一贴”、“二低”、“三靠” “一贴” 指用水润湿后的滤纸应紧贴漏斗壁; “二低”指①滤纸边缘稍低于漏斗边缘②滤液液面稍低于滤纸边缘; “三靠”指①烧杯紧靠玻璃棒②玻璃棒紧靠三层滤纸边③漏斗末端紧靠烧杯内壁 (5) 蒸发与结晶 A、蒸发是浓缩或蒸干溶液得到固体(分离可溶性固体和液体)的操作,用蒸发皿、玻璃棒、酒精灯、铁架台; 注意点:①在蒸发过程中要不断搅拌,以免液滴飞溅,②当出现大量固体时就停止加热③使用蒸发皿应用坩埚钳夹持,后放在石棉网上 B、结晶是分离几种可溶性的物质①若物质的溶解度受温度变化的影响不大,则可采用蒸发溶剂结晶的方法;②若物质的溶解度受温度变化的影响较大的,则用冷却热饱和溶液法。 (6)仪器的装配 装配时,一般按从低到高,从左到右的顺序进行。 (7)检查装置的气密性 先将导管浸入水中,后用手掌紧物捂器壁(现象:管口有气泡冒出,当手离开后导管内形成一段水柱。) (8)玻璃仪器的洗涤 如仪器内附有不溶性的碱、碳酸盐、碱性氧化物等,可加稀盐酸洗涤,再用水冲洗。如仪器内附有油脂等可用热的纯碱溶液洗涤,也可用洗衣粉或去污粉刷洗。清洗干净的标准是:仪器内壁上的水即不聚成水滴,也不成股流下,而均匀地附着一层水膜时,就表明已洗涤干净了。 (9)常用的意外事故的处理方法 A:使用酒精灯时,不慎而引起酒精燃烧,应立即用湿抹布。 B:酸液不慎洒在桌上或皮肤上应用碳酸氢钠溶液冲洗。 C:碱溶液不慎洒在桌上应用醋酸冲洗,不慎洒在皮肤上应用硼酸溶液冲洗。 D:若浓硫酸不慎洒在皮肤上千万不能先用大量水冲洗。
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