八年级英语冀教版下册Unit 4 The Internet Connects Us Lesson 23.ppt

* Lesson 23 The Internet—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) n.较少量；较小的部分 Words expressions aside attack web steal banking properly adv. 除…之外；在旁边 v. 袭击；损害 n. 网络；网 v.偷盗；窃取 n. 银行业 adv. 正确地 Why are some parents worried about their kids using the Internet? Does the Internet make life simpler? How? Objectives To understand the passage about the Internet. 2. To learn some useful words and expressions about the advantages and disadvantages of the Internet. 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. Read the lesson and fill in the table. Bad things about the Internet Good things about the Internet 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. Listen to the dialogue and tick the correct answers. What are Li Ming and Wang Mei talking about? Their school project. Their homework. 2. Why does Wang Mei think the Internet is good? She can chat with her friends easily. She can watch TV programs. 3. Li Ming thinks they should use the Internet_______. carefully and freely properly and carefully √ √ √ 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 you come tomorrow? 明天你能来吗？ He said that we could go there by bus. 他说我们可以乘公共汽车去那里。 Will you be able to come tomorrow? 明天你能来吗？ I’m able to do the w