一、目标：1. 能用英语描述常用的社交网络
2. 谈论社交网络的优、缺点
二、 教学任务
Task 1. Grasp the following words and phrases.
definition; communicate; formal; contact; respond;traditional;personal; exist; estimate; relevant, compare; interaction; capture; set out,pretend; former; reveal; starve; excessively; admire; accumulate; mass; delete;account; similar; frank; issue; general; tend; believe; no matter
Words and Phrases
1 absolutely/ ˈæbsəluːtli/adv. 绝对地；完全地；毫无疑问地
e.g. It was absolutely theworst food I have ever had.
这绝对是我吃过的最糟糕的食物。
2 invasive /ɪnˈveɪsɪv/ adj. 侵略性的，侵害的；攻击性的；扩散性的
e.g.Invasive species plusclimate change are major problems in Hawaii.
物种入侵及气候变化是夏威夷面临的主要问题。
3 figure out 计算出；弄明白；解决；想出
e.g.I simply couldn’tfigure out his intention. 我简直揣摩不透他的用意。
4 come up 即将发生（或出现、到来）
e.g.Her birthday is comingup soon. 她的生日即将来临。
5 update /ˌʌpˈdeɪt/ v. 更新；校正，修正
e.g.Theydecided to update the computer systems. 他们决定更新计算机设备。
Task 2 Watch the video and then fill in theblanks.
Task 3 Some sentences to describe social networks
| | * We Chat （微信） |
| * Sina MicroBlog (新浪微博) | * Tencent MicroBlog (腾讯微博) |
| * keep in contact with (与……保持联络) | * be addicted to (对……上瘾；沉溺于) |
| * It’s a good way to communicate with my family. 这是一个与家人沟通的好方式。 | * It’s totally a waste of time. 这完全是在浪费时间。 |
