高中英语 难句剖析拓展 Unit 4 Law and order学案 牛津译林版选修10-牛津版高二选修10英语学案

Unit 4 Law and order【难句·剖析·拓展】1、Committing crime online is no longer a theoretical possibility, and we are facing criminals who realize that by doing so, they can make money with little risk of being caught.网络犯罪已不再是一种理论上的可能性，并且我们正面临着这么一种罪犯，他们意识到通过网络可以赚钱而且被抓住的危险率也很低。【剖析】1) Committing crime online 是动名词短语作主语；And 连接两个并列句；2）who realize …是定语从句，修饰先行词 criminals ；that by…作 realize的宾语从句; with 介词短语作状语，修饰 can make money。【拓展】动名词可在句中作主语、宾语、表语，注意动名词的否定形式直接在 doing 前加not，其完成式主动语态的构成是 having done，否定形式是 not having done.2 、 A survey conducted in 2002 by the Computer Security Institute, a private organization in the USA, showed that 90 percent of the 503 biggest companies and government departments questioned had had their security systems broken into in the previous year; about 80 percent of them had lost millions of dollars. 美国的一家私人机构，计算机安全协会，于 2002 年进行的一项调查表明，在所调查的 503 家最大的公司和政府部门中，有 90%的单位安全系统在前一年遭到入侵，有 80%的单位损失了数百万美金。【剖析】1) conducted in …是过去分词短语作定语，修饰 survey； A survey showed that…是主句， that 引导宾语从句；2）questioned 是过去分词作定语；3）句中结构 had something done 有被动含义。【拓展】分词短语作定语，相当于定语从句，如果分词与逻辑主语之间是主动关系，用现在分词；如果分词与逻辑主语是被动关系，则用过去分词。3、Considering how bad the situation with cybercrime against companies has got, many people wonder why so little is known about this. 考虑到网络犯罪对公司越来越不利这种情况，许多人想知道为什么人们对网络犯罪知之甚少。【剖析】 1）considering…是分词短语作状语。With.介词短语作 situation 的定语。2) How bad the situation has got 是个感叹句; many pe...