高考英语一轮复习 Unit 20 New Frontiers课件 北师大选修7

1、Contents单元检测高考提能1234课堂一刻钟演练，实现教材与高考的对接 经典例句经典例句比较分析比较分析真题尝真题尝试翻译试翻译课课文文长长难难句句Without the breakthroughs of these pioneers in science and technology, whether lucky or planned, the world as we know it today would have been a completely different place.本句为含有状语从句的复合句。主本句为含有状语从句的复合句。主句是句是the world . would

2、 have been a completely different place; as we know it today为方式状语从句；为方式状语从句；whether lucky or planned为省略的为省略的让步状语从句；让步状语从句；Without the breakthroughs . and technology为为without短语作含蓄虚拟条件。短语作含蓄虚拟条件。真真题题长长难难句句When I handed him the gift card, saying he could use it for whatever his family might need, he bu

3、rst into tears.(2015全全国卷国卷)本句为含有状语从句的复合句。主本句为含有状语从句的复合句。主句是句是he burst into tears; When I handed him the gift card是状语从句；是状语从句；saying he could .might need是现在是现在分词短语作状语；分词短语作状语；he could . might need是是saying的宾语从句，省略的宾语从句，省略that; whatever his family might need是介是介词词for的宾语从句。的宾语从句。分层分层抓关键句抓关键句概括层意概括层意行文结构

4、行文结构第第1段段人工智能超出了我们的控人工智能超出了我们的控制。制。指出现象指出现象第第23段段具有人工智能的机器可能具有人工智能的机器可能会过度保护自己而伤害人会过度保护自己而伤害人类，但电脑科学家为它们类，但电脑科学家为它们安装防火墙来避免机器人安装防火墙来避免机器人影响全世界。影响全世界。分析现象分析现象第第4段段安全问题有可能解决，但安全问题有可能解决，但有困难。有困难。总结概括总结概括第第1段划波浪段划波浪线部分线部分 The real problem relates to the possibility that artificial intelligence (AI) may

5、become extremely good at achieving something other than what we really want.第第23段划段划波浪线部分波浪线部分2A machine with a specific purpose has another quality, one that we usually associate with living things: a wish to preserve its own existence. 3The possibility of entering into and losing such a match should concentrate the minds of computer scientists. 第第4段划波浪段划波浪线部分线部分69According to some researchers, we can use firewalls to .Ahelp super intelligent machines work betterBbe secure ag