Section A-1_684335.ppt

1). Edison _________ the electric lamp. 2). I lost my necklace last night. I haven’t ________ it. 3). Who ___________ America first? invented found discovered 4). The telephone _______ in 1876. A. invented B. was invented C. was found D. was discovered 【点拨】句意：电话是1876年发明的。invent “发明”，且telephone与invent 之间是动宾关系，应用被动语态。故选B。 2. be used for ... 被用来…… 是由“use sth. for sth. / doing sth.”结构转变而来, 介词for在这里表示用途或作用, 后面可以接名词、代词或动词-ing形式。 This machine can be used for cutting grass. 这个机器可以用来割草。 ★ be used as意为“被用作……，被作为……使用” English is used as a foreign language in China. ★ be used by意为“被……使用” Rubbers are often used by students to correct mistakes. 知识链接 English is widely used _______ many people around the world _______ a second language. A. by；for B. by; as C. as；for D. for；as 【点拨】句意：英语被世界各地的许多人作为第二语言广泛使用。by 意为“被；由……”，用于被动语态中，后跟动作的执行者；as作介词，意为“当作”。故选B。 ★used to do sth.意为“过去常常做某事”。 I used to smoke when I was young. ★use sth. to do sth.意为“使用某物来做某事”, 其被动结构为“sth. be used to do sth.”。 These knives are used to cut pies. 知识链接 ---Can you help me think of an invention? --- My pleasure! My pleasure也可说成It’s a / my pleasure.或 A pleasure，意思是“我的荣幸；愿为你效劳；这是件愉快的事”。 — Will you please help me take the books to the classroom? 请你帮我把这些书带到教室里去好吗？ — My pleasure. / Its a pleasure. 愿为你效劳。 ?p?l?e?a?s?u?r?e? n. 愉快；高兴 She took no?pleasure?in her work. 她觉得自己的工作毫无乐趣。 I will remember this meeting with?pleasure. 我会愉快地记着这次的会晤。 It is a?pleasure?to work with you. 和你一起工作真是件乐事。 ★ at (ones) pleasure 随便 You are free to come and go at your pleasure. 来去自由, 悉听尊便。 ★ take pleasure in以某事为乐,喜欢做某事 ★ with pleasure 愉快地, 高兴地, 没问题 知识链接 4. Well, you do seem to have a point … you do seem to have a point … 是个强调句，用“助动词do +谓语动词原形”的结构。 He does look well. 他的确看起来气色很好。 You did give me a fright. 你真把我给吓了一跳。 Do Stay for supper! 一定要留下吃晚饭！ 他昨天下午的