高考英语一轮复习 Unit 3 Computers教学案 新人教版必修2-新人教版高三必修2英语教学案

Unit 3 Computers三言两语1．On one hand, shopping online makes shopping a lot easier and more convenient.On the other hand, paying online has risks.2．We are now living in an information age, in which TV, cellphones and the Web are widely used.3 ． A cellphone can make me keep in touch with my friends and family while the Internet can provide me with almost all information.1．在互联网的帮助下，人们在家用一台电脑办公，收发所需信息成为可能。With the help of the Internet, it's possible for people to work at home with a computer in front, sending and getting the information they need.2．最重要的是，电脑的广泛应用已经给我们的生活带来了更多的便利。Most importantly, the wide use of the computer has brought us more convenience in our lives.[单词 拼写应用]核心单词1 ． anyhow adv. 无 论 如何； 即使如此2．reality n．真实；事实；现实3 ． signal vi.&vt. 发 信号n．信号4．arise vi.出现；发生5．character n．性格；特点6．calculate vt.计算7 ． goal n ． 目 标 ； 目的；球门；(进球)得分8．type n．类型vt.&vi.打字9．happiness n．幸福；快乐10 ． technology n ． 工艺；科技；技术[语境运用] 用所给词的适当形式填空1 ． Seeing their favourite star come in ， the devoted fans arose (arise) from their seats immediately.2 ． After years of hard work, his dream has been turned into reality (real)．3 ． You'll need to calculate(calculate) how much time the assignment will take.4．There were so many different types (type)of bread that the volunteer didn't know which to buy.5 ． The woman signalled (signal) to the cars behind to stop immediately ， but they didn't notice her.11 ． naughty adj. 顽 皮的；淘气的拓展单词1．operate v．操作；经营→operator n．(电脑)操 作 员 ； 接 线 员 → operation n ． 操 作 ； 经营2．solve vt.解决；解答→ solution n．方法3 ． intelligent...