八年级英语下册 unit 4 the connects us lesson 23课件 （新版）冀教版.ppt

Lesson 23 The — Good or Bad? Words & expressions advantage disadvantage simple coin cause less n. 优势;有利条件 n. 缺点;不利因素 adj. 简单的;简明的 n. 硬币 v. 造成;引起 adj. &adv. 更少/小的(地) ;较小的部分 2 Words & expressions aside attack web steal banking properly adv . 除…之外;在旁边 v. 袭击;损害 n. 网络;网 ;窃取 n. 银行业 adv. 正确地 31. Why are some parents worried about their kids using the ? 2. Does the make life simpler? How? 4 Objectives 1. To understand the passage about the . 2. To learn some useful words and expressions about the advantages and disadvantages of the . 5 Words: advantage, simple, coin, cause, less, steal, aside, attack, web, properly, disadvantage Expressions: in seconds far away aside from take up Every coin has two sides. 6 Read the lesson and fill in the table. Good things about the Bad things about the 1. It makes life easier and simpler. 2. It helps us get things done more quickly. 3. It opens up the world to us. 4. It is easy to stay in touch with friends. 1. Spending too much time online is harmful to people ’ s health. 2. It causes them to be less social with family and friends. 3. Some people attack the web or steal others ’ personal information. 7 Listen to the dialogue and tick the correct answers. 1. What are Li Ming and Wang Mei talking about? Their school project. Their homework. 2. Why does Wang Mei think the is good? She can chat with her friends easily. She can watch TV programs. 3. Li Ming thinks they should use the _______. carefully and freely properly and carefully √√√ 89 1. People are able to connect and share information in seconds . 几秒钟之内,人们就能够相互联系并分享信息。 be able to do sth. 意为“能, 能够”,主要指具体做某件事的能力,有人称和时态的变化。情态动词 can 也表示“能,会”,只有现在时 can 和过去时 could 两种时态,没有人称变化。 Can e tomorrow? 明天你能来吗? 10