人教版高中英语必修二学案：Unit 3 Computers Period 5 Using Language(4页).doc

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1、-人教版高中英语必修二学案：Unit 3 Computers Period 5 Using Language-第 4 页Book 2 Unit 3 Computers Period 5 Using Language 编者：李兴兵 修编：毛彦芳导学目标1.学会和识记本课时所出现的词汇 signal, type, in a way, arise, appearance 等自主学习1. signal vi.& vt.发信号；发暗号；示意n.信号品味典例：For example，I have learned to signal to my teammates in computer language

2、to give me the ball when I am open and have a good shot for a goal.(P23)例如，当我的对面没有人防守，可以有一个很好射门机会时，我可以用计算机语言向队友示意把球传给我。Did you signal before you turn right? 右转弯前你示意了吗？A red light is usually a signal for/of danger. 红灯通常是危险的信号。常用结构：signal (to) sb.(to do sth.)向某人发出(做某事)的信号，示意某人做某事 signal (sb.)that.示意(某

3、人)traffic signals 交通信号灯 a danger/warning signal危险/警告信号She was signaling (to) the children to stay outside. 她在向孩子们打手势，要他们留在外面。He signaled the waiter to bring the menu. 他做手势要侍者拿菜单来。易错辨析： signal/mark/sign/symbol signal“信号”，常指约定俗成、传达某些信息的信号，也指灯光、声音或字符标志 mark“标志；标记”含义广泛，指事物留下的深刻印迹或某物上用于辨别该物品的标志，比sign更侧重于

4、区别性或揭示性的标志，有时不一定十分直观或明显 sign“记号；标记”，用法最广，可指符号，也可指情绪、性格的直观显示，还可指具体的用于识别或指示的标志，如指示牌、卡片等。借喻作“征兆；迹象”讲 symbol“象征；符号”，指被人们选出的物体或图案用来代表另一事物，并作为该事物的标记或象征小试牛刀：选词填空：signal；sign；symbol；mark White is the _ of purity (纯洁) There are _ of weather changing. It is a famous trade _. We live too far from the city to g

5、et a lot of strong television _.2. Personally, I think the team who won first place cheated. 我个人认为得冠军的那个队作弊了。品味典例：She didnt like the plan, but personally I see nothing wrong with it.她不喜欢这项计划, 但我本人觉得没什么不好的。Personally (speaking), I think he is a very good man, but you may not agree. 就个人而言, 我认为他是个很好的人,

6、 但也许你不这么认为。归纳拓展：person (n)-personal (adj.)-personally (adv) personally ( speaking ) adv. 就自己而言; 就我个人来说的同义短语：in my opinion; as far as Im concerned; in my view; as far as I can see; from my point of view 小试牛刀： 同义句转换 My own opinion is that the project is going to be a great success.=_, the project is g

7、oing to be a great success.3type vt.& vi.打字n.类型品味典例：They had developed a new type of program just before the competition. (P23)他们恰好在比赛前设计了一种新程序。Could you type this letter for me? 你能为我打这封信吗？There are two types of rocks in this area. 这个地区有两种类型的岩石。易错辨析： kind/ sort/ type 这些名词均有“种、类、类型”之意。kind指性质相同，而且特征很

8、相似，足以归为一类的人或东西。sort普通用词，文体较kind随便，指对人或对事物进行的大概分类，有时含贬义。type指客观界限比较清楚，有相同本质特点的同类事物，指“类型”。This is a new type of dictionary. 这是一种新型词典。Do you know what kind of music he likes best? 你知道他最喜欢哪种音乐吗？What sort of people does he think we are? 他把我们看成什么人了？小试牛刀： 选词填空：kind；type；sortWhat _ of cake do you like best?

9、Blue jay (蓝鸟) is a _ of European bird with brightly colored features.4in a way (相当于in some ways) 在某种程度上品味典例：In a way our programmer is like our coach. (P23) 从某种程度上看，我们的程序员就像是我们的教练。In a way，Im glad you made that mistake，for it will serve as warning to you.在某种程度上说，你犯那个错误我倒感到高兴，因为它可以为你敲一下警钟。The car is

10、in the way，causing the traffic jam. 小汽车挡路了，造成了交通阻塞。In no way will I give in to him. 我决不向他屈服。归纳拓展：in this way 用这种方法 in the way挡路，妨碍 in no way决不(置于句首，句子要倒装)on ones way(to).在(去)的路上 no way没门小试牛刀： 用way的相关短语填空 He is _ becoming a doctor. _，losing job is not a bad thing. I couldnt get through the door becau

11、se there was a big box _. Will you help me do this? _；do it yourself!5arise vi. (arose, arisen ) 出现，发生品味典例：Then she prepares reliable moves to use if a new situation arises. (P23)然后她把我在新情况下可能用得上的可靠动作也编制出程序。How did the quarrel arise？吵架是怎么发生的？As we all know，car accidents arise from carelessness. 众所周知，

12、交通事故是由于粗心大意而产生的。归纳拓展：arise from/out of由而引起；由而产生；辨析：arise/rise/raisearisearose-arisen不及物，意为“出现；发生”。主语通常为抽象名词argument/problem/question等riserose-risen不及物动词，意为“升起；上升”。表示向更高的位置移动raiseraised-raised及物动词，意为“使上升；举起” _ difficulties arose in the course of their experiment.在他们进行实验的过程中，出现了意想不到的困难。The river is ri

13、sing after the rains.几场雨后河水不断上涨。She raised her finger to her lips as a sign for silence.她把手指举到唇边，示意安静。小试牛刀： 选词填空：arise；rise；raise The housing prices keep _ in spite of the governments regulations. How can we _ standards in schools? Problems _from the lack of communication.达标检测 根据题意要求完成下列句子1._（在某种程度上

14、）, you are right her English has improved a lot.2. He has _（处理）many complicated situations successfully so far.3. The delay of the plan _ the lack of money. 计划的延迟是因为缺钱。4. While _, he found a wallet in the park. 遛狗的时候，他在公园发现了一个钱包。5. _(在的帮助下)computers，youll find it easy to share information.6. Its her duty to _ these old men. 看守这些老人是她的职责。