Unit4《Cyberspace》lesson13TomorrowsWorld课件6（北师大版必修2）.ppt

Unit 4 Cyberspace Lesson 1（Ⅱ）;1. Master the important language points in Lesson 1 2. Learn the use of “will” and “be going to”; 导入 Correct errors;∧;Language Points;;【即学即练】;2. In 1983, there were only 200 computers connected to the Internet.（P8）在1983年只有200台电脑连接到因特网上。 connected to the Internet = which were connected to the Internet. computer 和connect 是被动关系, 因此connected to 是过去 分词作定语来修饰computers, 相当于一个定语从句。;2. It is surprising that there were 300 gold coins buried underground.真是令人惊奇, 地下埋了300 枚金币。 （P8） buried underground = which were buried underground. There are so many people left in the street. =who are watching the big fire in the street.在街上留下了如此多的人。;Mrs.White showed her students some old maps ______ from the library. 【2010全国新课标卷I，27】 to borrow B. to be borrowed C. borrowed D. borrowing 【解析】选C。句意为：怀特夫人给学生们展示了她从图书馆借来的一些旧地图。考查非谓语动词。old maps是borrow的动作承受者，而且动作已经完成，因此选过去分词做定语。;3. However,many people are optimistic about the future.(P8) 然而，很多人对未来感到乐观. be optimistic about 对什么乐观 I am very optimistic about our education.我对我们的教育很乐观。 【拓展】 be pessimistic about 对……悲观 【即学即练】用optimistic和pessimistic填空： We should be ________ about our children，and never feel _____ about our life. 【答案】 optimistic；pessimistic ;;【真题在线】;4. as if 仿佛，好像 Compare the following two sentences: ① He acts as if he is a millionaire. ② He acts as if he were a millionaire. 第二句中的时态发生变化，两句话表达的语气不一样，第一句用现在时表明说话人认为这件事有可能是事实，而第二句说话人则认为这是不可能的事情。;【即学即练】 He treats me as if I were his daughter. He talks so happily as if he were the one who was awarded. He acted as if nothing had happened.;5. will and be going to will do 用于表达对于未来的看法和观点.更强调依据直觉、知识和经验作出推测。一般指事情一定会发生。 We will get entertainment from the Net and that television will probably disappear. be going to用于表达基于现实可以预测的，有迹象可以表明的.一般指马上就要可能发生的事情。 The clouds are gathering. It is going to rain.;will 可以指当下做的某个关于未来的决定。 Hold on a minute, and I will give you the answer in a moment. be going to表