Unit 2 Exploring English 教材精品句式剖析练&课文文本创新练-【新教材精创】2020-2021学年高一英语新教材知识讲学（外研版必修第一册）

【新教材】2020学年高一英语必修第一册新教材核心知识夯实全攻略(外研版) Unit 2 Exploring English教材精品句式剖析&课文文本创新练 第一部分：教材原句重点解析 1. 表语从句：This/That is why …这/那就是…..的原因 [教材原句]That is why when the stars are out, they are visible, but when the lights are out, they are invisible. 这就是为什么星星出来了，我们可以看到它们，而灯灭了，我们就看不见了。 This/That/It is why...是一个常用句型， 意为“这/那是……的原因”， 其中why引导表语从句， 表示结果。 (1)This/That/It is because...这是/那是因为…… (because引导表语从句， 表示原因) (2)The reason for (doing) sth./why...is that...……的原因是……(why引导定语从句， that引导表语从句， 表示原因) ①Tom was ill. That was why he was absent from class. 汤姆病了，那就是他没来上课的原因。 ②Tom was absent from class. That was he was ill. 汤姆没来上课。那是因为他病了。 ③The reason Tom was absent from class was he was ill. 汤姆没来上课的原因是他病了。 [巧学活用]——一句多译 她很伤心， 那是因为她儿子在一次事故中丧生了。 (1)She was very sad. That was (2)Her son was killed in an accident. That was (3)The reason why she was very sad was [仿写]　汤姆今天早晨睡过头了，那就是他上班迟到的原因。 _______________________________________________ 【练习】： He is weak in English.他的英语不好。 That is he doesn’t work hard.那是因为他工作不努力。 She is always late for work.她上班总是迟到。 That is she will be fired soon.这就是她很快就要被解雇的原因。 The reason is she hasn’t finished the work in time.原因是她没有及时完成工作。 2.have trouble (in) doing sth.做某事有困难 (教材P14)Have you ever asked yourself why people often have trouble learning English? 你是否曾经问过自己为什么人们学英语经常很吃力？ 句中have trouble doing sth.意为“做某事有困难、费力”，且doing 前面省略掉了in。其中trouble 为不可数名词，前面可用some, any, no, little等词来修饰。 表示“做某事有困难”的常见结构： have difficulty have trouble/problem (in) doing sth. have a hard time in doing sth. there’s difficulty/trouble ①—Did you have trouble finding Ann’s house? ——你们找到安的家费劲了吗？ —Not really.She had given us clear directions and we were able to find it easily. ——并没有。她给了我们非常清楚的指引，我们很容易就找到了。 ②For him，there is no difficulty (answer) such an easy question. 对于他来说，回答这样一个简单的问题毫不费力。 ③I had a hard time (climb) up the horse while he was riding happily. 我费了很大劲儿才上马，而他却在开心地骑着。 【注意】在语法填空中，常将have trouble doing sth.句式中的trouble提前作先行词，因此定语从句中have后常为 doing形式。 [巧学活用]——单句语法填空 (1)You can’t imagine w