09 Unit3 重点词汇与句型讲解—2020-2021学年高一英语必修2知识点梳理（人教版）

Book 2　Unit 3 Computers 重点词汇与句型重点词汇 1.as a result 结果 其他搭配： (1)as a result/consequence因此,所以,结果 as a result of由于;作为……的结果 without result毫无结果 (2)result from由……引起; result in导致;结果 [助记] [联想] 1.表示“由于”的其他介词短语:because of, thanks to, due to, owing to, on account of。 2.表示“在于”的动词短语:result from,lie in, consist in。 ◆ 运用：单句改错 1　 Some experts think our memory will become poor as result of the Inter- net. 　在result前加a     2　 There is no doubt that his laziness resulted from his failure.　from→in     ◆ 运用：同义句转换 His diet is unhealthy. As a result, he is ill. →He is ill 　as a result of/because of/on account of    his unhealthy diet. →His illness　results from    his unhealthy diet. →His unhealthy diet 　results in/leads to    his illness. ◆完成句子 结果,人们会吃更多的食物来试图弥补失去的东西。(2017课标全国Ⅰ) As a result     , people will eat more food to try to make up for that something missing. 2.anyhow adv.无论如何;即使如此 点拨 (1)anyway adv.而且;尽管;至少 (2)somehow adv.用某种方法;不知怎么地 (3)somewhat adv.有点;有几分 ◆ 运用：选词填空 (anyhow/somehow/somewhat) 1　 We will help him break away from the habit of smoking  . 2　 When hearing the news, I felt surprised as a matter of fact. 3　 I am occupied with my work at present, but I will lend a hand to ou    . 答案： 　somehow    ；　somewhat    ；  anyhow    3.signal vi.& vt.发信号n.信号 常见搭配： (1)signal (to) sb. to do sth.示意某人做某事 signal that...示意…… signal+wh-从句 示意…… (2)a danger/warning/distress signal危险/警告/求救信号 detect/pick up signals探测到/收到信号 give out a signal(to sb.)(向某人)发出信号 ◆ 运用：单句填空 1　 The police signalled the driver (stop) his car by raising his hand. 2　 A man stood up and crossed his arms over his head, (signal) that he was strongly opposed. 3　 Rani's friendliness—her warm smile, her nods, her “I'm here for you” attitude - were all silent (signal) that didn't travel through wires. (2016课标全国Ⅱ) ◆ 运用：完成句子 为了不被别人听到,她手指向上指,示意有人正在楼上走动。 ⑤In order not to be heard, she pointed her finger upwards about upstairs. 答案：to stop    ；signalling    ； signa