广东省高明实验中学高中英语北师大版必修二学案：Unit 4 Cyberspace Lesson 3（第2课时）.doc

unit 4 cyberspace lesson 3 virtual reality第2课时【学习目标】to learn some key words: imagine; offer; depend on; do with; go camping; in the flesh; go on around the world tour, have something to do ,have something done; help sb with somethingto write something about the advantages and disadvantages of a virtual university.2. emotional objectives 情感目标 take part in class activities actively. learn to understand different opinions about virtual reality, besides expressing your own opinions about virtual reality.【重点和难点】重点： 知识目标中的第 点; 难点： 知识目标中的第点【学法指导】learning by observation 观察学习法-观察例子，自己猜测、归纳词义【学习过程】(一) preview 课前预习导学1. translate the following phrases: 1). 露营 _ 2). 依靠_ 3). 环球旅行 _ 4). 有-事要做 _ 5). 虚拟大学 _ 6). 帮助某人某事 _ 7). 网址 _ 8). 亲身 _2. choose the proper phrases to fill in the blanks.(用以上短语的正确形式完成句子)1). i _ (有一个会议要参加)。2). i thanked him for _ (帮助我学数学)3). all living things _ the sun for their growth. 4). if they invented virtual reality holidays, id be able to_.5). the boys have decided to _next week.6). i have never seen him _. (本人)7). i will send you the _, where you will find the information you need.8). in the distant future people would study in _.(二) classroom learning and exploration 课堂学习和研讨 1. presentation of the preview 预习成果展示2. explanation and discussion 答疑讨论3. classroom learning tasks 课堂学习探究任务task 1: have something to do 表示要做的或可以做1. we had so many problems to deal with every day. (to deal with 是problems 的定语)= we had so many problems that we must deal with every day. 因此problems 是to deal with 的逻辑宾语。i have an email _. (要发给我老师)you have various types of the latest products _. (可选择)task 2: offer作动词的用法: 1.offer 有(主动)拿给,给予的意思,相当于give, 后可接名词或代词作宾语,也可接双宾语,即offer sb sth =offer sth to sb, 如: the young man offered the old man his own seat on the bus. 那个年轻人在公共汽车上将自己的座位让给了那个老人。2. offer 作提出、表示解。即offer sth如: johnson offered a new suggestion. 约翰逊提出了一个新建议。3. offer后接不定式,表示主动提出做某事，即offer to do。如: he offered to drive us to the airport, but we preferred to walk there. 他主动提出送我们去机场,但我们宁愿走路去。4. offer还有出售、出价的意思。 offer sth for (money) 以多少钱出售某物 he offered this bike for 600 yuan. 这辆自行车他要价600元。5. offer作名词的用法: offer表示愿做某事或给予某物(后接of / to do sth) thank you for your kind offer of helping me.判断下列句中 offer 的用法。1. ive had an offer of $8888 for that house. （ ）2. the boy offered to pay for the desk he had broken. （ ）3. the president offered no comment on the question. （ ）4. the next morning we offered our boat for only 6 dollars. （ ）5. no food was offered at the party. （ ）6. the boss in the company came personally to offer us apologies. （ ）7. she offered to lend me her bike. （ ）task 3: imagine v. 想像，设想 1). imagine +n./pron./clauseyou can easily imagine my _. 你可以想像我有多惊讶。we can hardly imagine _ without gas and electricity. 我们无法想像没有煤气和电的生活是什么样子。close your eyes and imagine (that) _.闭上眼睛设想自己在森林里。i can imagine _. 我可以想像出他的样子。 try to imagine _. 想像一下在月球上的情形。 2). imagine 还可表示猜想，猜测，认为的意思, 相当于suppose, think, assume.e.g. hes always imagining (that) were talking about him behind his back. she imagined someone was watching her. do you imagine they will help?拓展：imagination i,mdinein n. 空想；想象力；幻想物 imaginable imdinbl adj. 可想像的；想像得到的 imaginary imdinri adj. 虚构的，假想的；想像的；虚数的 imaginative imdintiv adj. 创新的；富于想像的；有创意的task4: depend on /upon 依赖，依靠；相信，指望(= count on); 取决于，由决定1) 他这个人是你可以信赖的。_2) 他知道可以依靠她来应付这种局面。_3) 请相信，我们决不放弃。_4) 我们能指望你星期天来参加吗？_5) 我不想过度依赖父母。_6) 这要视情况而定。_task 5: 学习以下重点句子。1. we would not only be able to travel around the world, but also go to study in any world-famous university we wanted to. 我们不仅可以环游世界, 而且还可以去我们想去的世界知名大学学习。本句中not only but also 连接的是两个并列谓语be able to travel 和go to study 。第二个谓语中含有一个定语从句 (that/which) we wanted to，先行词是any world famous university.他不仅会演奏所有的乐器，还能唱出你想听的任何歌曲。_他不仅聪明，而且勤奋。（用倒装句） _2. i still find it hard to imagine. 我仍然觉得很难想象。find+宾语+宾语补足语的复合结构，宾语为不定式to imagine, it 为形式宾语。翻译:他觉得见到她是不可能的。_(三) classroom assessment：课堂检测 1) he came to my class every week, but his attitude _ that he was not really interested in it. a. expressed b. described c. explained d. suggested2) -how do you _ we go to beijing for our holidays? -i think wed better fly there. its much more comfortable. a. insist b. want c. suppose d. suggest3) not only_ to us the importance of doing the work but they also told us the best way to do it. a. did they explain b. they explained c. they explain d. had they explained4) not only you but also he _ to the party.a. have been b. is going c. are going d. have gone5) -how often do you eat out? -_, but usually once a week.a. have no idea b. it depends c. as usual d. generally speaking6) i wanted very much to go to the movie that night, but i wasnt _ to. a. hoped b. suggested c. agreed d. allowed7) were going to _with some friends for a picnic. would you like to join us? a. get in b. get over c. get along d. get together8) excuse me, do you have any band aid? i have my finger_. a. hurt b. wounded c. cut d. injured9) our boss is a man easy _. a. to communicate b. to communicate with c. to be communicated d