Unit 2 I'm going to study computer science 单元知识点总结-七年级英语下册同步精品课堂（鲁教版）

这是一份Unit 2 I'm going to study computer science 单元知识点总结-七年级英语下册同步精品课堂（鲁教版），共6页。

Unit 2 I'm going to study computer science. 单元总结思维导图知识要点知识要点一：Well,I'm going to keep on writing stories,of course .噢，当然，我打算坚持写故事。(1) “be going to+动词原形”是一般将来时的结构，意为“打算/计划做事”。该结构用来表示按计划或安排要发生的动作，也有“准备；打算”之意。例如：We're going to practice soccer everyday.我们打算每天练习踢足球。(2) keep on doing sth.意为“持续做某事”，表示动作反复，强调动作与动作之间有间隔。例如：The pupil kept on asking me the same question .这个学生不断地问我同一个问题。I kept on thinking about the match in the afternoon.我总是想起下午的那场比赛。【拓展】①keep doing sth.意为“继续做某事”表示不间断地持续做某事。例如：He kept working all day,because he wanted to finish the work on time .他整天都在不停地工作，因为他想按时完成工作。Keep passing the ball to eachother .坚持互相传球。②keep sb. doing sth.意为“让某人一直做某事”。例如：I'm sorry to keep you waiting for me.对不起让你一直等我。③keep用作连系动词，构成系表结构。“keep+adj.”意为“保持；继续(处于某种状态) ”例如：You must look after yourself well and keep healthy.你必须照顾好自己，保持身体健康。④keep ...from doing sth.意为“阻止/防止......做某事”例如：The heavy snow kept us from going out.大雪阻止了我们出门。知识要点二：......but I'm not sure about that . ......但我对此还不确定。be sure about意为“确信，对……有把握”。例如：Are you sure about it? 你确信吗?【拓展】be sure about与be sure of意思相同。be sure to do sth. 一定做某事；肯定做某事I'm sure to come tomorrow. 明天我一定会来的。be sure+句子相信……；肯定……I'm sure that you must like it. 我相信你一定会喜欢它的。知识要点三：Not everyone knows what they want to be. 不是每个人都知道自己要做什么。everyone“每个人”和否定词not连用，构成部分否定，表示“并非所有的人都”的意思。英语中类似这样的词还有both，every，everybody，everything，all等例如：Money is not everything. 金钱并非是万能的Not all the students are at school. 不是所有的学生都来上学了。【拓展】在英语中表示“全部否定”的词有neither，no，none，nobody，nothing，no one等。例如：No one knows it. 没有人知道这件事None of these things are mine. 这些东西都不是我的。知识要点四：get lots of exercise 多锻炼(1)lots of意为“大量的；许多的”，后接可数名词复数形式，相当于many，a lot of； 当后接不可数名词时，相当于much,a lot of，例如：lots of trees，许多树木，还可以说many trees，a lot of trees；lots of money许多钱，还可以说，much money或a lot of money。【辨析】lots of或a lot of不等同于a lot。a lot意为“许多；非常”，是一个名词性或副词性词组。例如：I can learn a lot about Chinese history .我能够学习很多有关中国历史的东西。I like Chinese action movies alot. 我非常喜欢中国的动作电影。(2) exercise意为“锻炼；运动”，是一个不可数名词。You should get more exercise. 你应该进行更多的锻炼。【拓展】①exercise意为“体操；练习题”，可作可数名词。例如：We do eye exercises every morning. 每天早上我们都做眼保健操。You need to finish the exercises on Page 16 tonight.今晚你们需要完成第16页上的练习。②exercise意为“运动；锻炼”，可作动词。例如：Exercising is good for your health . 锻炼对身体有好处。知识要点五：Were you able to keep them? 你能够履行它们吗?be able to意为“能够做某事”，接动词原形，可用于多种时态。有人称与数的变化，表示经过努力而成功做成某事。She will be able to go to England soon.很快她将能够去英格兰。I hope to be able to see you again .我希望能够再次见到你。【辨析】be able to/can知识要点六：It's a kind of promise. 它是一种承诺。promise作名词，意为“承诺；诺言”；作动词， 意为“许诺；承诺”。其常用短语为make promises to，意为“向……许诺”； keep a promise，意为“遵守诺言”promise to do sth.意为“答应做某事”；promnise not to do sth.意为“承诺不做某事”例如：I promise I will study hard.我承诺我将努力学习。The boy promised to follow his mother.这个男孩答应听妈妈的话。知识要点七：Sometimes the resolutions may be too difficult to keep. 有时这些决心可能会太难而无法实现。(1) too...to意为“太......而不能”，可与not ...enough to互换使用。例如：The boy is too young to dress himself .=The boy isn't old enough to dress himself.这个男孩年龄太小了，不能自己穿衣服。He got up too late to catch the bus.=He didn't get up early enough to catch the bus.他起得太晚了没能赶上公共汽车。(2) 句中的情态动词“may”表示肯定的推测， 意为可能”。例如：Tom may know the news .汤姆可能知道这个消息。be able to意为“能够做某事”，后接动词原形，be有人称和数的变化，可用于各种时态Willyou be able to finish the work soon?你能很快完成工作吗? can与be ableto有时可以互换使用He was able to/could help his parents with housework when he was a child.他还是一个孩子的时候就能帮父母干家务活了。can意为“能； 会”， 后接动词原形，用作情态动词，没有人称及数的变化，只有一般现在时和过去时态He could help his parents with housework when he was a child.他还是一个孩子的时候就能帮父母稼家务活了。