Unit3 Computer-【聚焦新课程】高中英语优质课堂（人教版必修2）

优质课堂·高中英语·必修 2 41 【重点、难点、考点】 ◆话题：Computers ◆单词：calculate universal sum artificial solve application finance explore goal signal arise electronic ◆词组：in common from...on as a result so...that in a way with the help of deal with watch over make up ◆句型：1. nearly two hundred years was built as an analytical machine by Charles Babbage. 2. Over time my memory has developed much ，like an elephant，I never forget anything I have been told. 3. By the 1940s， as large as a room，and I wondered if I would grow any larger. 4. But I was always so lonely ，until in the early 1960s they gave me a family connected by a network. ◆语法：现在完成时态的被动语态 Section 1 Warming up & Reading I. 根据所给的英语单词选择正确的英语解释。 （ C ）1. universal A. to make sth easier or less complicated （ A ）2. simplify B. to find or provide a way of dealing with a problem （ H ）3. technology C. involving by everyone in the world （ B ）4. solve D. complete，including everything （ D ）5. total E. an amount of money，the total produced number （ F ）6. finance F. the management of money （ I ）7. goal G. to travel or examine an area to find out sth （ G ）8. explore H. the knowledge about scientific or industrial methods Unit 3 Computers 42 优质课堂·高中英语·必修 2 高中英语·必修 2 （ J ）9. mobile I. aim，sth that you hope to achieve in the future （ E ）10. sum J. able to move or travel easily II. 选择方框内词组的适当形式填空。 have...in common in fact go by after all so ...that... 1. As time goes by ，the little girl is getting prettier and prettier. 2. Lily and Lucy are twins，and they have much in common . 3. They told me it would be cheap，but in fact it cost me nearly $500. 4. He was so angry that he left the room without saying a word. 5. Well，the story is too much for Mary. She can’t understand， after all ，she’s only two. 常 考 词 汇 1. calculate 计算，核算 1）calculate . 计算，核算 e.g. The committee calculated the costs very carefully. 2）calculate . 估计 e.g. I calculate what it will cost. 3）calculate . [美][口]以为；认为 e.g. I calculate all of them will come here. calculate on sth 指望，期待，相当于 dep