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中学英语单词细节知识点复习speak和special和stair等 speak [spiːk] (spoke, spoken) v.○1说，讲；○2谈话，发言 It is the first time that I speak in public.这是我第一次在公共场合发言。 短语：1.speak to /with sb (about /of sb/sth) e.g. 1.Can we speak about plans for the holiday. 我们谈谈假期的打算好吗？ 2.He speaks several languages 他会说好几种语言。 3.She spoke for forty minutes at the meeting . 他在会上讲了四十分钟。 speaker ['spiːkə] n. [C]演讲人，演说家 Our first speaker tonight is Mr. White.今晚我们的第一个演讲者是怀特先生。 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 special ['speʃ(ə)l] adj.特别的；异常的 e.g.1.What are your special interests? 你有什么特别的爱好。 2. Take special care of it. 对这东西要特别细心。 speech [spiːtʃ] n. ○1 [U]说话（能力）；○2[C]演讲，讲话 He closed his speech with a funny joke.他用一则有趣的笑话结束了演讲。 短语：1. by speech eg: We can express our thoughts by speech. 我们能以说话的方式表达我们的意思。 2. speech on / about sth 关于.....讲话，演说 3．Make /deliver/give a speech 发言 stair [steə] n.梯级；楼梯 e.g: She always runs up/ down the stairs.她总是跑着上下楼。 The rise in children's screen time has brought about calls for ___36___ (great) interaction and more outdoor exercise to improve learning and guard ___37___ the spread of shortsightedness. Time spent online ___38___ (increase) dramatically in the past years. Millions of pupils have been forced ___39___ (switch) to remote learning, according to Qustodio software, ___40___tracks usage of devices by children aged 4 to 15 in the UK, US and Spain. One area of concern is eyesight. More occurrence of children's nearsightedness is likely caused by children being kept at home with schoolwork delivered online. It is uncertain ___41___the rise is caused by more time spent on screens or less time outdoors, but previous studies have suggested daylight ___42___ (expose) is key. Another concern is about sleep problems among children. It is definitely clinically significant. There's evidence that shows a sharp increase in children with sleep problems. A number of ___43___ (factor) may account for it, with increased screen time being ___44___ . Parents also worry about the impact of too much screen time on children's mental and emotional development. Instead of interactions with their class, spending hours ____45____(passive) sitting in front of a screen may lead to stress and other mental health problems. 【答案】36. greater 37. against 38. has increased 39. to switch 40. which 41. whether 42. exposure 43. factors 44. one 45. passively 
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