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1、Unit 2 English around the world Periods1-2 Vocabulary一【学习目标】1. 熟读Unit2的所有单词和词组2. 会写除人名和地名以外的所有单词词组3. 会熟练运用重点单词词组二【自主预习】I. Word Formation1. actually _ (adj.)2. gradual _ (adv.)3. spell _ (n.)4. fluent _ (adv.)5. frequent _ (adv.)6. use _ (n.)7. express _ (n.)8. base _ (adj.)9. recognize_(n.)10. offic
2、ial _(adv.)II. Key Words and Phrases1. come up 研读思考 (1) I am afraid something urgent has come up. _(2) It is certain that the question will come up at the meeting. _(3) Some flowers are just beginning to come up. _(4) He came up and asked me if I knew the time. _短语聚会come up with come about come out
3、come across _练一练1. The teacher asked a difficult question, but finally Tom (给出 了一个很好的答案). (solution)2. command vt.vi.命令，指挥，支配 n. _研读思考1. The police commanded the witness to describe what had happened the day before.2. The police commanded that the witness (should) describe what had happened the day
4、before.3. The foreigner has a good command of Chinese. 4. He has a large vocabulary at his command.5. The troop is now under the command of the general. 结构归纳 1. 命令某人做某事_ 2. 精通/掌握._ 3. 听某人支配（由.掌握）_ 4. 由.指挥_= _ 练一练(1) The general (命令士兵攻城) at once. (attack) (2) She commanded that the students (不要离开教室)b
5、efore she returned. (leave) (3) The pilot received the command that he (在伦敦着陆) in ten minutes. (land)3. base vt. 以为根据 研读思考 (1) We should base the theory on careful research.(2) The film is based on /upon a true story.(3) I am based in New York, although my job involves a great deal of travel. n. 根基，
6、基础，基地(1) Our companys base is in Beijing. (2) She used her familys history as a base for her novel. (3) On the basis of those facts, we can reach the following conclusion.结构归纳1. 把.建立在. 的基础上_ / (被动语态）_2. 根据地/大本营在._ 3. 基于./以.为基础_练一练1. - What are you mailing, Jenny?- A textbook (以为基础)a new method of te
7、aching physics.2. 理论应该建立在实践的基础之上。_.4. requestvt.&n. 请求；恳求；要求研读思考(1) Theyve made an urgent request for international aid.(2) We shall give your request our careful consideration.(3) The famous actor will come to our college to give lectures at our request(by request).(4) My parents requested me to le
8、arn a second foreign language.(5) I requested that the students (should) be well prepared for the exam.(6)All I request of you is that you should be there early.结构归纳1. 请求/要求._ 2. 应某人的要求_ 3. 要求某人做某事_=_ 4. 向某人要求某物_练一练1. She _ (请求要）some water.2. I requested him _（早一个小时来）.3. The teacher requested that _
9、 （学生上课不能讲话）.4. Mr. Li is requested _. (不在办公室吸烟）5. recognize vt. 辨认出; 承认；公认研读思考 (1) I can recognize her by her voice. _(2) Though they hadnt met for many years, they recognized each other at first sight. _(3) My achievements have been recognized. _ (4) We had to recognize that they had many advantage
10、s over us in some aspects. (5) Drugs were not recognized to be/as a serious problem then. (6) It is recognized that environment pollution has become one of the most serious problems that people face. 结构归纳 1. 听出某人的声音_ 2. 认出某人_ 3. 承认/认为.是._ 4. 人们公认._ 练一练 1. The old man (承认这个男孩是) his lawful son. 2. (人们一致认为) this solution could only be temporary.三当堂检测1. 因为；由于_ 2. 扮演一个角色；参与_3. 现在；目前_ 4. 以为基础_ 5. 走进；上来；提出_ 6. 偶然遇见_7. 利用；使用_ 8. 发生 _ 9. 例如；像这种的_ 10. 出现；出版_ 11. 精通/掌握._ 12. 命令某人做某事_
