江西省吉安市井冈山大学附中高中英语《Unit2 Cloning 》导学案（三）新人教版选修8.doc

江西省吉安市井冈山大学附中高中英语 新人教版选修八unit2 cloning 导学案（三）一.导案1反对，不赞成 vi. 2. 媒介，手段，工具n. （pl） 3. 获得，赢得vt 4. 获得，到达（水平、年龄、状况等）vt. 5. 道德（上）的，伦理的adj. 6. 退休，离开vi .7积累，聚积 （n） (vt) 8旁路，支线，岔道 .9支持；赞成 反义词组 10禁止，不准 (vt)二课内探究探究一：important words and expressions 1.object vi. 反对, 拒绝 vt. 提出来反对 n. 物体, 宾语, 对象拒绝之理由常用搭配：object to/ against 反对 （注意to是介词） object+从句【拓展】objection n.反对，异议,常用搭配：have/take/ feel an objection to 对提出异议；对表示反对my main objection to the plan is that it costs too much.我反对此计划的原因是花费太多。2.forbidvt.禁止，不准注意：forbid的过去式和过去分词是：forbade, forbidden。常用搭配：forbid doing禁止做某事 forbid sb. to do 禁止某人做某事forbid sb. from doing sth. 禁止某人做某事3. obtainvt. & vi. 得到，获得 further information can be obtained from head office by calling up the secretary. 进一步的信息可以通过给秘书打电话从总公司获取。辨析：get，obtain，acquire，gain（1）get指“以某种方法或手段得到某种东西”；（2）obtain是较正式用语, 常指“通过努力工作、奋力或请求而得到所需的东西”；（3）acquire强调“经过漫长的努力过程而逐渐获得”；（4）gain往往指“通过努力或有意识行动而获得某种有益或有利的东西”。如: did you get my telegram last sunday? 上周你收到电报了吗？he obtained experience through practice. 他通过练习获取了经验。we should try to acquire good habits. 我们应该养成好习惯。i hope you will gain greater success. 我希望你会获得成功。4. owe vt 欠（帐，钱，人情等）；归功于owe sb. sth. / owe sth. to sb. 欠某人某物 owe sb. for 因而欠某人owe sth. to sb./sth 把某事归功于某人或某事5. cast（cast,cast）vt. 扔；投；掷；脱落 as soon as they reached the fishing area, the fishermen cast their nets into the sea. cast down： 使沮丧, 低沉， 使下降 be cast down=feel discouraged 感到沮丧dont be so cast down. just keep up your spirits.不要这样低沉，要保持高昂的情绪。相关短语：cast away丢弃,使失事, 使漂流 cast off 放弃；丢弃 cast out赶走, 驱逐6. have a strong impact onhave / make a strong / great impact on . 对有（或产生）巨大影响。the anti-smoking campaign has had quite an impact on young people.这场反对吸烟的运动对年轻人有极大的影响。7. bring back to life = come back to life 使复生 bring back to health 使恢复健康；8. in vain徒劳，无益， 枉然【拓展】 in advance提前 in charge (of) 主管 in debt 负债 in danger 处于危险中in order 井然有序in practice 从实践上看 in return 作为报答in ruins 一片废墟in theory 从理论上看探究二：sentence focus1. read the text again, find out the sentences and analyze them.1) then came the disturbing news that dolly had become seriously ill. cloning scientists were cast down to find that dollys illnesses were more appropriate to a much older animal.这是一个含有_的复合句，that引导的从句是对前面名词news内容的解释说明，同时，主句又是_.in the dark forests _ , some large enough to hold several english towns. a. stand many lakes b. lie many lakes c. many lakes lie d. many lakes stand2) it suddenly opened everybodys eyes to the possibility of using cloning to cure serious illnesses and even producing human being.本句中of 和后面的动名词结构构成介词短语做_，修饰前面的名词possibility ，其中using 和producing是并列关系。注意介词后出现动名词或动名词复合结构时，一定把握好动名词主动和被动形式的变化。at the beginning of class, the noise of desks_ could be heard outside the classroom. a. opened and closed b. to be opened and closed c. being opened and closed d. to open and close3) newspapers told stories of evil leaders hoping to clone themselves and religious leaders raise moral questions.本句结构是：and连接了两个并列分句，前句中的 hoping to clone themselves是分词短语做_，相当于定语从句_。注意现在分词作定语，表示主动和正在进行的概念。peter received a letter just now _ his grandma would come to see him soon. a. said b. says c. saying d. to say三.练案 multiple choice1) i object to _to like that.a. speaking b. spoke c. be spoken d. being spoken2) mary wanted to travel around the world all by herself, but her parents didnt _her to do so.a. forbid b. allow c. follow d. ask3) jill couldnt resist _about toms baldness.a. make jokes b. to make jokes c. making jokes d. make jokes 4) he is _because of his failure in the exam.a. cast aside b. cast out c. cast away d. cast down5) im _ people going out and enjoying themselves so long as they dont disturb other pe