中学英语单词细节知识点复习since和simple和sing等 since   [sɪns] prep.从…来；自从…以后；‖conj. ○1从……以来，……以后；○2由于；‖ adv.从那时以来; He's been working in a hank since leaving school.自从毕业后，他就一直在一家银行工作。 He came to London 3 years，and him lived here ever since.他三年前来到伦教，此后就一直住在这里。 Since I left college, I have not seen him.自从找从大学毕业以后.就没有见过他了. prep . eg: I haven’t eaten since breakfast. Conj: eg: Where have you been since I last saw you . Adv: eg: He left  home two weeks ago and we haven’t heard from him since. 他两星期前离开的家，到现在我们一直没有他的饿消息。 simple  ['sɪmp(ə)l] adj.简单的；容易的  He write a story in simple English.他用简单的英语写了一则故事。 人教高中英语单词mp3 人教版高中英语单词 人教版初中英语mp3 新概念英语第二册答案 sing (sang, sung)  [sɪŋ] v.唱；歌唱    Let'a lung a song during the break.我们趁这空当儿唱支歌。 短语：1.sing sth for/ to sb /sth 为某人而唱歌     n. 歌手singer single  ['sɪŋg(ə)l] adj.唯一的；单一的 I’d like to have a single room, preferably, facing south.我想要一个单间，最好是朝南的。 A very dear friend has been experiencing various challenges these past few months. She mentioned how it sometimes felt like she was hanging on by a thread with no quick ____21____ in sight. It reminded me that the caterpillar (毛虫) that I ____22____ just changed into a butterfly that morning. After ____23____ on milkweed leaves from our garden, the caterpillar found a ____24____ spot at the top of the net in the butterfly enclosure (围笼) and spun (吐) a silken thread to ____25____ itself there. The caterpillar hung upside-down in a J shape for a day or so. Then, in less than a few hours of ____26____, the caterpillar was a beautiful green butterfly! All the research I’ve done ____27____ that the change into a butterfly should take between 10-12 days. I can only  ___28___ what is going on there, but I’m sure it’s a huge struggle and ____29____ . Haven’t we all been doing the same to some degree _____30_____? These especially challenging times are _____31_____ us with the unavoidable experiences needed for our _____32_____ selves to use as food for _____33_____. Not easy? You bet! Worth it? Yes! Many _____34_____ to our local library for the loan of the butterfly enclosure. They _____35_____ and released the butterflies as part of their children’s summer reading _____36_____ this year. I had no idea that planting a few plants would lead to such a(n) _____37_____ study of caterpillars and butterflies. The caterpillar has kept me interested and  _____38_____ during our recent self-isolation (自我隔离). Hanging on by a thread as we _____39_____, keep in mind the beautiful wings we are growing. We are all somewhere in the middle of that unbelievable process. Trust the process. Have _____40_____. Know that you are becoming the most beautiful person that you can be. 21. A. fix B. look C. step D. bite 22. A. picked up B. attended to C. gave away D. hunted for 23. A. acting B. working C. healing D. eating 24. A. comfortable B. dangerous C. common D. practical 25. A. bury B. hide C. attach D. abandon 26. A. surviving B. exploring C. defeating D. struggling 27. A. requires B. indicates C. reports D. forecasts 28. A. judge B. learn C. imagine D. access 29. A. reforming B. practicing C. preparing D. repairing 30. A. shortly B. rarely C. lately D. finally 31. A. comparing B. presenting C. impressing D. attracting 32. A. inner B. ideal C. lucky D. small 33. A. harvest B. growth C. freedom D. knowledge 34. A. regards B. wishes C. thanks D. limits 35. A. borrowed B. watched C. bought D. raised 36. A. program B. lecture C. material D. contest 37. A. relaxing B. convincing C. amazing D. demanding 38. A. depressed B. relieved C. confused D. addicted 39. A. commit B. transform C. perform D. translate 40. A. spirit B. desire C. talent D. faith