Unit 5 Topic 2 精讲精练 2022-2023学年仁爱科普版英语八年级下册

学 生 教 师 上课内容 八年级下册Unit 1 Topic 2 学 科 英语 第（ ）课时 年 级 初 二 上课时间 Unit 5 Topic 2 课堂教学知识点 一．语法 1. 同级比较 as..as 【肯定句】 (1) 定义：“A和B一样......的/地” (2) 结构： ①系动词： A + be /系V + as + adj.原级 + as + B. ②动词： A + V + as + adv.原级 + as + B. 注意：△ adj./adv. 原级 △ A和B要是同类的东西 (that / those指代) 例：I am as tall as he. 我和他一样高。 He gets up as early as his mother. 他起得和他妈妈一样早。 【否定句】 (1) 定义：“A不如B......的/地” (2) 结构： ① A + be + not + as / so + adj.原级 + as + B. (第一个as可以改为so） ② A + don't / doesn't / didn't + 系V原 + as / so + adj.原级 + as + B. A + don't / doesn't / didn't + V原 + as / so + adv.原级 + as + B. 例：The food isn’t so/as delicious as ours. 这些食物不如我们的美味。 Mary doesn’t dance as well as Sally. Mary跳舞跳地不如Sally好。 2. seem 用法 (1) seem+adj. 例： He seems/seemed happy. 他似乎很开心。 (2) seem to do sth. 例：The boy seems/seemed to like English. 那个男孩似乎喜欢英语。 (3) It seems/seemed + (that) +从句. 例：It seems/seemed that he is happy. 他似乎很开心。 ※ 3. because of + n./ 短语： I can’t go to the party because of the bad weather. 由于糟糕的天气，我无法去聚会。 because + 句子： I can’t go to the party because the weather is bad. 二．灵活运用 1. be / get used to (doing) sth. 习惯于(做)某事 used to do sth. 过去常常做某事 例：Kangkang used to collect stamps, but now he is/gets used to climbing mountains. 康康过去常常集邮，但是现在他习惯于爬山。 2. though 和 but不同时使用 3. fail to do sth. 失败，未能做到sth；未履行sth. fail the exam 未通过考试/考试不及格 pass the exam 通过考试/考试及格； 例：He fails to deal with the problem. 他未能解决这个问题。 Michael seemed to be unhappy because he failed the exam. Michael似乎不开心，因为他考试不及格。 4. either (1) “也”；区分 too 例：They aren’t used to sleeping late, she isn’t used to sleeping late, either. 他们不习惯晚睡，她也不习惯晚睡。 He seems to be excited, his sister seems to be excited, too. 他似乎很兴奋，他的妹妹似乎也很兴奋。 ※※※ (2) “二者之一；要么......”； either .......or......； （谓语动词就近原则） 5. refuse to do sth. 拒绝做某事 例：The scientist refused to deal with the probl