51. During this time the selling price, and so profits, will go up and down depending on world demand.

　　在此期間，煤炭的銷售價(jià)格及其利潤會隨著國際市場的需求變化而上下波動(dòng)。

　　52. Many of us believe that a person’s mind becomes less active as he grows older.

　　我們很多人都認(rèn)為，一個(gè)人智力會因衰老而變得遲鈍。

　　53. This means that it took them longer to accomplish mental tasks than it used to.

　　這意味著他們完成智力活動(dòng)所需的時(shí)間比過去長。

　　54. For example, the older person perhaps had trouble hearing, or poor vision, or inattention, or was trying to learn the new thing at too fast a pace.

　　例如，老年人也許聽力差，眼神不好，注意力不集中，或者想盡快地學(xué)會做某一件事情

　　55. Not only was the shop a center of buying and selling, but also a social meeting place.

　　過去商店不僅僅是一個(gè)買賣東西的地方，而且是一個(gè)社交場合。

　　56. He will have to give advice and make decisions as problems arise, and he must know how to get his huge staff to work efficiently with their respective responsibilities.

　　他必須為手下員工出主意，問題出現(xiàn)之后要做決斷，他還必須清楚如何使自己龐大的員工隊(duì)伍各司其職，高效工作。

　　57. Numerous studies have now shown that the overwhelming majority of colds are “caught” by hand contact.

　　許多研究表明，絕大多數(shù)的感冒是由于手的接觸而感染的。

　　1. 他的叔叔過去住在鄉(xiāng)下，現(xiàn)在住在城里。(used)

　　2. 他一點(diǎn)也不喜歡喝咖啡，寧可喝茶。(prefer)

　　3. 對學(xué)生來說，學(xué)會一門外語是多么重要啊!(how)

　　4. 這件大衣值多少錢?(cost)

　　5. 他把他的一生獻(xiàn)給了宇宙飛船的研究。(devote)

　　6. 你最好現(xiàn)在不要把壞消息告訴他。(had better)

　　7. 他是一位有經(jīng)驗(yàn)的駕駛員，他習(xí)慣于在各種各樣的天氣情況下開車。(used)

　　8. 今晚你應(yīng)該復(fù)習(xí)功課，而不應(yīng)該看電視。(instead)

　　9. 沒有什么能阻止這孩子冒險(xiǎn)爬那棵高樹。(prevent)

　　10. 媽媽很少晚上一個(gè)人出去，是嗎?(seldom)

　　1. His uncle used to live in the country. Now he lives in the city.

　　2. He doesn’t like coffee at all, but he prefers tea.

　　3. How important it is for students to learn a foreign language!

　　4. How much does the coat cost?

　　5. He devoted his life to studying spaceships

　　6. You’d better not tell him the bad news now.

　　7. He is an experienced driver and he is used to driving in all kinds of weather.

　　8. You should review your lessons instead of watching TV tonight.

　　9. Nothing can prevent the child to risk climbing that tall tree.

　　10. Mother seldom goes out alone at night, does she?

　　11. 盡量用英語表達(dá)自己，別害怕犯錯(cuò)誤。(afraid)

　　12. 到去年底，中國的人口是多少?(population)

　　13. 從廣州到紐約的路是多么長啊!(it)

　　14. 當(dāng)我一到達(dá)機(jī)場時(shí)，飛機(jī)就起飛了。(Hardly)

　　15. 這男孩洗完了臉，似乎才幾秒鐘。(seem)

　　16. 如果你不努力學(xué)習(xí)，你不會取得成功。(unless)

　　17. 無論你做什么，應(yīng)盡最大努力。(Whatever)

　　18. 不管這項(xiàng)任務(wù)多么困難，我們要盡最大的努力準(zhǔn)時(shí)完成。(However)

　　19. 雖然他是孩子，他知道怎樣生活和學(xué)習(xí)。(as)

　　20. 既然天好，我把所有的窗都打開了。(Now that)

　　11. Try to express yourself in English. Don’t be afraid of making mistakes.

　　12. What was the population in China by the end of last year?

　　13. What a long way it is from Guangzhou to New York!

　　14. Hardly had I reached the airport when the plane took off.

　　15. It seemed only seconds before the boy finished washing his face.

　　16. You will not succeed unless you work hard.

　　17. Whatever you do, try your best.

　　18. However difficult the task may be, we will try/do our best to complete in time.

　　19. Child as he is, he knows how to live and study.

　　20. Now that the weather is fine, I opened all the windows.

　　21. 這里的氣候與昆明的氣候一樣好。 (as… as)

　　22. 她再也不像過去那樣講和笑。(no longer)

　　23. 我們對世界了解得越多，我們將取得更大的成功。(the more… the more)

　　24. 只要我們不失去信心，我們會找到辦法克服困難的方法。(As long as

　　25. 無論誰做這事都沒有什么區(qū)別。(whoever)

　　26. 一旦她開始跳舞，她就忘記了時(shí)間。(Once)

　　27. 這座山是那么高以至于我不能爬到山頂上。(… so… that)

　　28. 只要你一直練習(xí)說英語，不多久你肯定會掌握它。(On condition that)

　　29. 長江是中國最長的河流，去年夏天我們?nèi)�參觀過。(visit)

　　30. 你見到過寫昨天我們討論過的那篇作文的女孩嗎?(whose)

　　21. The climate here is as good as that of Kunming.

　　22. She no longer talks and laughs as she used to.

　　23. The more we know the world, the more successful we will be.

　　24. As long as we don’t lose heart, we’ll find a way to overcome the difficulty.

　　25. Whoever does it makes no difference.

　　26. Once she started to dance, she forgot about the time.

　　27. The mountain is so high that I can not climb up to its top.

　　28. On condition that you practise speaking English all the time, you’ll certainly master it very soon.

　　29. The Yangtse River, which we visited last summer, is the longest river in China.

　　30. Have you seen the girl whose composition we discussed yesterday?

　　31.眾所周知，指南針首先是中國制造的。(As)

　　32. 我們需要更多的練習(xí)是十分清楚的。(practice)

　　33. 你沒聽李老師的報(bào)告真是太遺憾了。(miss)

　　34. 碰巧我那天晚上有空。(happen)

　　35. 據(jù)提議試驗(yàn)應(yīng)該在低溫下做。(suggest)

　　36. 他已經(jīng)做的事情與我們無關(guān)。(nothing)

　　37. 她問我花了多長時(shí)間建成這座大橋。(take)

　　38. 直到昨天我才知道他要來。(not… until)

　　39. 這城市不像三年前的那樣子了。(used)

　　40. 這正是你要尋找的東西。(look)

　　31. As is known to all, the compass was first made in China.

　　32. That we need more practice is quite clear.

　　33. It is a pity that you missed the lecture made by Teacher Li.

　　34. It happened that I was free that evening.

　　35. It is suggested that the experiment should be made under low temperature.

　　36. What he has done has nothing to do with us.

　　37. She asked me how long it had taken to build the bridge.

　　38. It was not until yesterday that I knew he was coming.

　　39. The city isn’t what it used to be three years ago.

　　40. This is what you are looking for.

　　41. 彼得一直沒有來的原因是他沒趕上這班火車。(catch)

　　42. 他認(rèn)為每次考試作好準(zhǔn)備是重要的。(it)

　　43. 學(xué)好一門外語需要時(shí)間和努力。(effort)

　　44. 如何解決這道難題將在明天的會上討論。(solve)

　　45. 對學(xué)生來說，把座位讓給這位老年婦女是最禮貌的。(polite)

　　46. 與湯姆打賭是沒有用的，因?yàn)樗�永遠(yuǎn)不會改變他的想法。(no use)

　　47. 我寧可失去這場比賽，也不愿意傷害他。(would rather)

　　48. 除了請醫(yī)生外，似乎沒有別的事可做。(nothing but)

　　49. 據(jù)說這本書已被譯成好幾種外語。(translate)

　　50. 愛倫今天上午缺席，因?yàn)樗�要去補(bǔ)牙。(have sth. done)

　　41. The reason why Peter hasn’t come is that he didn’t catch the train.

　　42. He thinks it important that he does full preparation before the examinations every time. 43. Learning a foreign language well requires time and effort.

　　44. How to solve the problem will be discussed at tomorrow’s meeting.

　　45. It is polite for the student to give up his seat to the elderly woman.

　　46. It is no use debating with Tom, because he will never change his mind.

　　47. I’d rather lose the game than hurt him.

　　48. There seemed nothing else to do but send for a doctor.

　　49. It is said that the book has been translated into several foreign languages.

　　50. Ellen was absent this morning because she had her tooth filled.

　　51. 我不能讓你整天上上下下地跑著。(have sb doing)

　　52. 噪音那么多，以至于演講者無法使自己被聽眾聽清楚。(so… that)

　　53. 作為奧林匹克運(yùn)動(dòng)會的主辦國是不容易的。(easy

　　54. 成年人有時(shí)太忙，不能玩耍。(too… to)

　　55. 老師們認(rèn)為英語語法不難學(xué)。(think)

　　56. 他給了我很大的幫助，真是不勝感激。(It’s …of sb)

　　57. 不懂裝懂的人總有一天會受到懲罰。(pretend)

　　58. 說實(shí)話，直到昨天我才知道他們?nèi)ド虾Ａ恕?not… until)

　　59. 只有通過實(shí)踐，才能提高你的口語水平。(only)

　　60. 再也沒有比看到學(xué)生的進(jìn)步更使老師們高興的了。(nothing… than)

　　51. I can’t have you running up and down all day long.

　　52. There was so much noise that the speaker couldn’t make himself heard.

　　53. It is not easy to be a host nation for the Olympics.

　　54. Adults are sometimes too busy to play.

　　55. The teachers don’t think it is difficult to learn English grammar.

　　56. It is very kind of him to give me so much help.

　　57. Those who pretend to know what they do not know will be punished one day.

　　58. To tell the truth, I didn’t know that they had already gone to Shanghai until yesterday.

　　59. Only by practice will you be able to improve your spoken English.

　　60. Nothing can give teachers more pleasure than to see the students’ progress.

　　61. 任何人都不能進(jìn)入會議室，除非得到校長的要求。(unless)

　　62. 雨和雪都不能阻止孩子們上學(xué)。(Neither… nor)

　　63. 眾所周知，近幾年上海發(fā)生了很大的變化。(well known)

　　64. 自從進(jìn)入高中以來，我們在學(xué)習(xí)上取得了很大的進(jìn)步。(progress)

　　65. 不管他說什么，做什么，我們都不相信他。(whatever)

　　66. 電腦在現(xiàn)代科學(xué)研究中起著重要的作用。(part)

　　67. 直到現(xiàn)在為止，我們已經(jīng)學(xué)了大約五年多英語。(up till now)

　　68. 這支醫(yī)療隊(duì)由五名醫(yī)生和三名護(hù)士組成。(be made up of)

　　69. 世界是由物質(zhì)構(gòu)成的。(consist of)

　　70. 沒有他的及時(shí)幫助，我不可能克服那么多困難。(but for)

　　61. Nobody can be allowed to enter the meeting-room, unless they are invited by the headmaster.

　　62. Neither rain nor snow can prevent the children from going to school.

　　63. It is well known to all that great changes have taken place in Shanghai in recent years.

　　64. We have made great progress in our studies since we entered the high school.

　　65. Whatever he says or does, we don’t believe him.

　　66. The computer plays an important part in modern scientific research.

　　67. Up till now, we have studied English for about more than five years.

　　68. The medical team is made up of five doctors and three nurses.

　　69. The world consists of matter.

　　70. But for his timely help, I couldn’t have overcome so many difficulties.

　　71.聽到這不幸的消息，她禁不住哭了起來。(on hearing…

　　72. 對學(xué)生來說，學(xué)好一門外語是必要的和重要的。(it)

　　73. 李梅病了，老師決定幫他補(bǔ)上所缺的課。(make up for)

　　74. 像那樣的問題是容易回答的。(such)

　　75. 為了節(jié)省錢，你可以乘公共汽車去那里而不要叫出租車。(save)

　　76. 許多書籍和雜志能提供給我們精神食糧。(provide)

　　77. 總的來說，酸雨是工業(yè)發(fā)展的結(jié)果。(result

　　78. 小紅的作文很令人滿意，我肯定她的老師會對它滿意。(satisfied)

　　79. 我們將盡可能多地改進(jìn)我們的工作。(possible)

　　80.人人皆知抽煙有害于健康。(damage)

　　71. On hearing the sad news, she couldn’t help crying.

　　72. It is necessary and important for the students to learn a foreign language well.

　　73. Li Mei is ill and her teacher decides to help her make up for the lessons she missed.

　　74. Such a question as that is easy to answer.

　　75. To save money, you may go there by bus instead of calling a taxi.

　　76. Many books and magazines can provide us with mental food.

　　77. Generally speaking, acid rain is the result of the development of industry.

　　78. Xiao Hong’s composition is quite satisfactory. I’m sure her teacher will be satisfied with it.

　　79. We will make as many improvements as possible in our work.

　　80. Everyone knows that smoking damages people’s health.

　　81. 我們的班長被認(rèn)為是我們班上最好的學(xué)生。(regard)

　　82. 現(xiàn)代科學(xué)技術(shù)的發(fā)展使我們的社會發(fā)生了巨大變化。(bring about)

　　83. 如果不練習(xí)說英語，你就學(xué)不好英語。(without)

　　84. 每個(gè)人都應(yīng)該知道如何遵守交通規(guī)則，這樣就能避免交通事故。(avoid)

　　85. 我已經(jīng)認(rèn)識到只有努力學(xué)習(xí)，才能學(xué)好英語。(realize)

　　86. 你在課堂上應(yīng)集中注意力學(xué)習(xí)，否則你就不能理解老師所講的內(nèi)容。(concentrate)

　　87. 他又把鄰居家的窗戶打破了，這使他的父母很生氣。(which)

　　88. 良好的健康取決于好的食物、運(yùn)動(dòng)和充足的睡眠。(depend on)

　　89. 那個(gè)學(xué)期他閱讀的不是一本英語小說而是五本英語小說。(not… but)

　　90. 他是否已被那所大學(xué)錄取令他的父母很擔(dān)心。(whether)

　　81.Our monitor is regarded as the best student in our class.

　　82.The development of modern science and technology has brought about great changes to our society.

　　83.You can’t learn English well without practicing speaking English.

　　84.Everyone should know how to obey the traffic rules, and thus many traffic accidents can be avoided.

　　85.I have come to realize that one can’t learn a foreign language well unless he works hard.

　　86.You should concentrate on your lessons in class, otherwise you can’t understand what the teacher has said.

　　87.He broke his neighbour’s windows again, which made his parents very angry.

　　88.Good health depends on good food, exercise and enough sleep.

　　89.Within that term he read not one English novel but five.

　　90.Whether he had been admitted to that university or not worried his parents.

　　91. 不久我們就要參觀那座博物館了。(before)

　　92. 盡管有很多困難，我們?nèi)詫��?zhí)行我們的計(jì)劃。(carry)

　　93. 當(dāng)我們聽到中國將主辦2008年奧運(yùn)會的消息，我高興得跳了起來。(learn)

　　94. 政府向遭受水災(zāi)的人們提供藥品和食品。(provide)

　　95. 據(jù)報(bào)道這個(gè)國家三分之一的城市缺水。(short)

　　96. 這兩家公司的貿(mào)易談判中斷了，以至于經(jīng)理們不得不尋找其他的合作伙伴。(between)

　　97. 電子郵件同電話一樣，在日常交流中起著重要作用。(as well as)

　　98. 學(xué)生們向老師解釋瑪麗缺課的原因是她患了感冒。(reason)

　　99. 如果你不是昨晚熬夜的話，你現(xiàn)在就不會打瞌睡了。(sleepy)

　　100. 應(yīng)該采取行動(dòng)來阻止黑客侵犯我們的電腦系統(tǒng)。(prevent)

　　91.It won’t be long before we visit that museum.

　　92. In spite of many difficulties, we’ll still carry out our plan through to the end.

　　93. On hearing the news that 2008 Olympic Games would be held in China, I jumped up because of joy.

　　94. The government provided medicine and food supplies for the people in the area affected by flood.

　　95. It is reported that one-third of the cities in the country are short of water supply.

　　96. The trade talks between the two companies broken down so that their managers had to look for another trade partner.

　　97. E-mail, as well as telephones, is playing an important part in daily communication.

　　98. The reason that the students explained to the teacher for Mary’s absence was that she was down with flu.

　　99. If you hadn’t stayed late last night, you wouldn’t be so sleepy now.

　　100. Action should be taken to prevent hackers from breaking into our computer system.