中学英语单词用法总结学习精编unless和unusual和until等 unless  [ʌn'les] conj .除非；若不:       e.g. Unless we deal with our problems, we can easily become unhappy.           如果我们不处理我们的问题，我们可能很容易变得不快活。 unlucky    [ʌn'lʌkɪ]   adj.不幸的，不吉利的 It was quite unlucky for anyone to be stolen from.对任何人来说，家中失窃绝非幸事。 until  [ən'tɪl] prep & conj  ○1. 直到…时（动词通常是延续性动词）：○2.（用于否定句） 在…以前： e.g.Wait until the rain stops. 等到雨停了再说。 e.g.Don’t go out until four. 在四点钟以前不要出去。 新概念英语mp3 新概念英语词汇量 新概念英语第一册课文 用记忆术记英语单词 unusual   [ʌn'juːʒʊəl] adj.特别的，不寻常的 Mr. Heath was a man of unusual character. 希思先生具有独特的个性。 up    [ʌp] adv. ○1在上方；起身：○2（位置，条件等）在上方○3（动词短语）完全地；全部 ‖prep. 沿着： 短语：1.get up 起床 / stand up 站起来         e.g. The sun is still up. 太阳仍在上方。. e.g.Don’t let yesterday use up too much of today. 不要让昨天用光太多今天的时光。    短语：1. up and down 上下地，往返地 ： e.g.He uses the lift to go up and town. 他用电梯上上下下。      2. up to… 直到 ： e.g.I didn’t know the fact up to then. 一直到那时，我还不知道事实。      e.g.They walked up the road. 他们沿着那条路走去（走来）。 When Arfel Condova-Rojas was biking to Jamaica Bay Wildlife Refuge last November, she planned to go bird-watching. Bingo! A mile into her walk, she saw a female ____21____ near the water’s edge. Cordova-Rojas had worked at a wild bird rehab (康复) center and ____22____ that swans can be aggressive. But as she approached this time, it didn’t ____23____. She was certain that the bird needed ____24____ attention. Cordova-Rojas put her jacket over the bird’s head to keep it calm, ____25____ picked it up and held it in her arms. And then a thought ____26____ her: What should I do now? Her best ____27____ was the rehab center, but that was on the other side of town. How was she going to transport a 17-pound swan on her ____28____ all that way? Luckily, some ____29____ driving by offered her, her bike and the swan a (n) _____30_____ to the rehab center.  Staff members at the rehab center _____31_____ that the swan might have lead (铅) poisoning. They got the swan back up on her feet. _____32_____, the swan had a bacterial infection. Two months after Cordova-Rojas came to her _____33_____, she passed away.  It’s a (n)_____34_____ ending, but the story shows just how far people are willing to go to _____35_____ animals. 21. A. bird-watcher B. passer-by C. duck D. swan 22. A. knew B. guessed C. claimed D. admitted 23. A. continue B. move C. leave D. wait 24. A. medical B. constant C. public D. normal 25. A. quickly B. bravely C. carefully D. proudly 26. A. stopped B. passed C. struck D. reminded 27. A. result B. support C. solution D. wish 28. A. back B. seat C. feet D. bike 29. A. doctors B. workers C. friends D. strangers 30. A. access B. lift C. call D. invitation 31. A. assumed B. determined C. denied D. examined 32. A. Sadly B. Gradually C. Accidentally D. Finally 33. A. rescue B. center C. help D. way 34. A. unexpected B. natural C. good D. disappointing 35. A. raise B. save C. respect D. change