高中英语必修2-unit3languagepoints.pptVIP

words and expression 算盘 掌上电脑 主机 显示屏 芯片 软盘 调制解调器 打印机 扫描机 Intelligence Analytical machine Universal machine Transistor Artificial intelligence Technological revolution function Important sentences 1.In small groups, discuss what they have in common. It took nearly two hundred years before I was built as an analytical machine. Before:　　. . .之后，还没来得及. . .就，不等. . .就 Before she could move, she heard a loud noise, which grew to a terrible roar. Before they reached the house, a new great wave came, sweeping down trees. 昨晚很久后我才睡着。 1).It was a long time before I got to sleep 四年后我们才能再次见面。 2).It will be 4 years before we meet again. 没等我告诉他好消息，他就出去了 3).He went out before I could have a chance to tell him the good news. 不久后你就会恢复健康。 4).It won’t be long before you get well again.( ) Take/cost/spend spend的主语必须是人， 常用于以下结构： Sb. spend time ／money on sth. Sb. spend time/money (in) doing sth. Sb. spend money for sth. 花钱买……。 cost的主语是物/某种活动，还可以表示“值” (1) (doing) sth. costs (sb.) ＋money/time 注意：cost- cost- cost, 并且不能用于被动句。 take后面常跟双宾语， 常见用法有以下几种： It takes sb. some time to do sth. doing sth. takes sb. ＋ time/money They heard her _____ (唱)an English song at the party last night. He was seen __________ (走进)the office. The students watched the professor _____(做) the experiment. They are made __________ (完成)the homework before 3 0’clock. 阶梯教室是教室的10倍.The lecture theatre ______________________ the classroom. 姚明是那个10岁女孩三倍高。__________________________________ _______ Lonely alone He lives _____but he doesn’t feel_____. At heart, I’m a _____man---yes, a ______man. In some gardens in Germany there are special paths for children and “________ladies.” Robinson Crusoe spent many______ days on the deserted island(荒芜的岛上) before the man Friday appeared. 9. Anyway, let’s go back to my history. Anyway=anyhow 无论如何;不管怎样;总之 I don’t know if it was lost or stolen; Anyway, it’s gone. 无论如何,我今天必须完成工作. Anyway(=anyhow) I must finish the work today. --Would you like me to help