_Unit2知识点 习题--鲁教版英语七年级下册.docx

PAGE PAGE 1 知识点精讲 知识点精讲 1. What do you want to be when you grow up？ 当你长大以后，你想要成为什么？ （1）when是连词，意为＂当……的时候＂，引导时间状语从句。when作连词时，如果主句是过去时，从句也要用过去时；如果主句是一般将来时，从句要用一般现在时，即＂主将从现＂。 I was short when I was 13. 我13岁的时候个子很矮。 I’ll visit you when I come back. 我回来时会去拜访你。 He is going to be a computer programmer when he _________________ college. A. finishes B. starts C. left D. began （2）grow up 意为＂长大；成熟；成长＂ 是动词短语，相当于不及物动词，其后不跟宾语。 What does John want to be when he grows up? 当约翰长大了，他想成为什么？ Li Lei became a famous singer when he _________________. A. stayed up B. grew up C. got up D. stood up 2. How are you going to do that？你打算如何做到？ be going to表示将要发生的动作，含有＂计划， 打算＂的意思， 后跟动词原形，其中be动词要与主语的人称和数一致，常跟表将来的时间连用。 He’s going to visit Australia next week. 他打算下周去参观澳大利亚 I _________________ the shops. Can I get you anything? A. go to　　　　 B. went to C. have gone to D. am going to 3. Well, I’m going to keep on writing stories, of course. 哦，当然我会继续写故事。 keep on doing sth表示经过一段时间的间隙后＂继续做同一件事＂，后可接表动态的词，如walk、write、talk 等。还暗指不顾困难、反对、警告而＂坚持＂做某事。 They kept on working in the fields, though it was raining. 虽然天正在下雨，他们还是继续在田里干活。 【易混辨析】 keep on doing/ keep doing keep on doing 表示动作的反复 This old man kept on coming to offer us hot water. 这位老人不断地给我们送热水。 keep doing 表示动作或状态的持续 He kept standing there for an hour without moving. 他在那儿一动不动地站了一个小时。 【知识拓展】 （1）keep sb（sth） doing sth让某人（物） 不断做某事 The boss kept the workers working all day. 老板让工人们整天不断地工作。 （2）keep sb/sthfrom doing sth表示 ＂阻止某人/物做某事＂。 Be careful! Keep the glass from dropping onto the floor. 当心！防止玻璃杯掉到地板上。 We should keep on _________________ English every day. A. to practice to speak B. to practice speaking C. practicing to speak D. practicing speaking 4. be sure about/of 确信,对……有把握 后接名词、代词或动词-ing形式，表示对客观事物有肯定的认识和判断，主语必须是人。 I am really sure about it. 对于这件事我确实有把握。 I think I can win the match. I am sure of/about it. 我认为我能赢这场比赛。我对此有把握。 【知识拓展】 （1）be