2018年秋英语九年级上册Unit 4Section B(2a-3b).ppt

She seldom goes home before midnight, does she? 她很少午夜之前回家, 是吗? seldom本身带有否定意义, 构成附加疑问句时不用否定词not。 Seldom have I met him recently. 最近我很少见到他。 seldom放在句首时,句子的主谓必须部分倒装。类似的词还有never, hardly, scarcely等。 【注意】 知识链接 cause, make和get都具有“使役”意义。其区别是： 1. cause强调的是什么原因使某人做某事; make则具有强制的意味, 即强迫某人做什么事; get是指以说服或命令之方式让某人做某事。 2.使用cause和get时, 应当用cause / get sb. to do sth. 句型, 而使用make时, 应当用make sb. do sth. 句型。 2. … caused any problems … cause v. 造成, 引起 She is always causing trouble for people. 她总是给人添麻烦。 What caused his illness? 是什么使他生病？ cause可用于cause sb. sth. (给某人带来……)和cause sb. to do sth. (使某人做某事)结构中。 His unhealthy diet caused him some illness. 他的不健康的饮食给他带来了一些疾病。 Im afraid Im causing you much trouble. 恐怕我给你增添很多麻烦。 What caused you to do that? 什么原因促使你那么做？ cause还可以用作名词, 意为“原因”, 相当于reason。 Smoking is one of the causes of heart disease. 吸烟是引起心脏病的原因之一。 What was the cause of the accident? 造成这一事故的原因是什么? You have no cause to complain. 你没有理由抱怨。 3. influence v. 影响 My dad influenced me to learn German. 我学德语是受爸爸的影响。 We became the best of friends and he influenced me deeply. 我们成了最好的朋友, 他深深地影响了我。 His writings have influenced the lives of millions. 他的作品影响了千百万人的一生。 知识链接 influence n. 影响 Van Gogh had a major influence on the development of modern painting. 凡·高对现代绘画的发展有着重大影响。 Her influence made me a better person. 她对我的影响使我成为一个更好的人。 Mr. Smith is a man of influence in this town. 史密斯先生是这个镇上有权势的人物。 【注意】 influence n. [U] 影响；作用 What exactly is the influence of television on children? 电视对儿童有什么影响？ influence n. [C]有影响力的人(或事物) His first music teacher was a major influence in his life. 他的音乐启蒙老师是他一生中对他影响非常大的人。 4. …, he was absent from classes ... absent adj. 缺席；不在 Three members of the class are absent today. 班上今天有三人缺席。 Sometimes he would be absent for a couple of days. 他有时会离开几天。 After the party he telephoned his absent friends. 晚会后他打电话给没有赴约的朋友。 知识链接 absent from home 不在家 absent from one