Boo7Unit4学案.doc

Book 7 Unit 4 SharingI. Important sentences:1. Science is my most challenging subject as my students have no concept of doing experiments.2. The other day I was showing the boys the weekly chemistry experiment when, before I knew it, the mixture was bubbling over everywhere.3. Sometimes I wonder how relevant chemistry is to these students, most of whom will be going back to their villages after Year 8 anyway.4. To be honest, I doubt whether Im making any difference to these boys lives at all.5. We walked for two and a half hours to get there first up a mountain to a ridge from where we had fantastic views.6. Tombers father, Mukap, led us to his house, a low bamboo hut with grass sticking out of the roof- this shows its a mans house.7. I loved listening to the family softly talking to each other in their language.8. It was such a privilege to have spent a day with Tombes family.II. Language points:hear from .收到的信, 相当于receive a letter from . eg. They will be delighted to hear from you. 与hear相关短语：hear of sb/sth 听人说起过某人或某物hear about 听到关于be dying to do 迫切希望做某事be dying for sth 渴望得到某物eg. After a long dry season the trees are dying for water.类似表达：long/be eager/be anxious to dolong/be eager/be anxious/be thirsty for sth由动词die构成的短语：die of/from 因而死die adeath 死得die out (动.植物)灭绝;(风俗,习惯等)消失die off (家庭,种族等)相继死亡die away (声音,光线)逐渐平息,减弱die down (火,兴奋)渐弱,渐息picture n. 图画, 照片, 画面vt. 描绘, 想象eg. She often pictures herself as a famous writer. 她常常想象自己是个名作家。词性转换 (由名词转换为动词, 或由动词转换为名词, 或由形容词转换为动词等) water n. 水v. 浇水hand n. 手v. 递, 交head n. 头v. 朝某方向前进up to 多达, 直到, 胜任, 由负责/决定be up to sth = be busy doing sth. 忙于, 从事its up to sb. to do sth. 由某人负责做某事for sure 肯定如此, 毫无疑问it /that. is for sure 那是肯定无疑的know sth. for sure 知道肯定无疑 eg. Soon he will turn to you for help and thats for sure.the other day=some days ago (与一般过去时连用)adjust vt. & vi. 调整; 调节; 适应; 整理; 调准。adjust (oneself) to =adapt (oneself) to “适应”adjust to doingeg. The body can quickly adjust itself to the changes of temperature. 身体能迅速自行调节以适应气温的变化。区别adapt, adjust “适合、适应”:1) adapt 指“修改或改变以适应新条件” adapt (oneself) to eg. You should adapt yourself to the new environment. 你应该适应新环境。2) adjust 指“调整、调节”使之适应eg. You cant see through the telescope until it is adjusted to your eyes. 你把望远镜调节到适合你的目光之后, 你才看得见。participate vi 参与,参加participate in 参加participate in sth with sb 同某人参与某事类似短语:take part in; join in sth ; join sb in (doing) sth eg. He didnt participate in the game.dry out (使)变干，干透dry up (使) 完全变干, (河流, 湖泊等)干涸；把弄干eg. The burning sun has dried up many rivers in this area recently.最近，火辣辣的太阳把这个地区的许多河流都晒干了。My mouth always dries up when Im nervous.紧张的时候，我总是变得口干舌燥。otherwise (adv. conj.) “用别的方法,其他方面; 否则,不然 (or)”eg. He is slow, but otherwise he is a good worker.Seize the chance, otherwise (or) you will regret it.祈使句 , and (or ,otherwise ) + 简单句 (简单句常用将来时)privilege n. 特权；特别优待enjoy privileges 享受特权have the privilege of 有的特权in need 在危难中；在危急中in need of需要eg. Most of people were in great need. He was hurt, and in need of help.III. 复习限制性定语从句：概念: 修饰名词或代词的句子就叫做定语从句。引导定语从句的词叫关系词, 有两种:关系代词(relative pronoun) :who, whom, which, that, as 关系副词(relative adverb): when, where, why被定语从句修饰的词就叫先行词，它一般是由名词、代词或句子充当。定语从句一定要放在先行词之后。定语从句可分为：限制性定语从句与非限制性定语从句。限制性定语从句是句中不可缺少的组成部分，主句和从句之间不用逗号隔开引导词：先行词在从句中作宾语时一些关系代词可以省略。非限制性定语从句是对主句先行词的补充说明,没有这种从句不影响主句意思完整, 一般用逗号把主句和从句分开。引导词：who, whom, whose, which, of which, when, where等，不用that, 关系词不能省略注意事项:1.从句的位置:先行词之后2.翻译方法: “的”3.构成：先行词 + 关系词（关系代词关系副词）关系代词引导定语从句的用法:1. 作主语 不可省略指人时，用who, that指物时，用which, that 2. 作宾语 可以省略指人时，用whom, who, that 指物时，用which, that 3. 作介词宾语 介词后不可用who或that指人时，用whom指物时，用which 4. 作定语名词指人时，用whosen.指物时，用whosen.注意一：指物时只用 that 的情况1. 先行词是 all, little, few, much, some, any, no, none, every, anything, nothing, everything 等, 或被其修饰时;2. 先行词被序数词或形容词最高级以及the very, the few, the only, the last 等修饰时;3. 先行词既有人又有物时;4. 主句以疑问词which 或 who开头时;5. 关系代词在定语从句中作表语时。注意二：关系代词只用 which不用thatThis is the room in which Mr. White lives. 当关系代词前有介词时This is the room in which Mr. White lives. 在非限制定语从句中Let me show you the novel that I borrowed from the library which was newly open to us. 在一个句子中有两个定语从句，其中一个用that, 另一个宜用which.注意三：只用who 不用that1. 先行词为one/ones/anyone/those, 指人时只用who2. 在there be 结构中, 修饰主语的定从宜用who指人3. 当先行词有较长的后置定语时4. 一个句子中带有两个定语从句, 其中一个定从的关系代词是that, 另一个宜用who难点一: whose (人 / 物) + n. 关系词whose实际上是先行词的所有格eg. The house is mine. The window of the house is broken.The house_is mine.whose window is brokenthe window of which is brokenof which the window is broken难点二: 定语从句中的主谓一致 one of the 名复 + 定语从句 (谓语动词用复数) the one of the 名复 （谓语动词用单数） the only one of + the 名复 （谓语动词用单数） only one of + the 名复 （谓语动词用单数）关系代词as引导限制性定语从句的用法：固定搭配：the same as ; such as ; as / so as the same as 与原物同类的,the same that 与先行词同样的东西eg. This is the same pen as I bought yesterday. 这和我买的那支钢笔一样。This is the same pen that I bought yesterday. 这就是我买的那支钢笔。关系副词的用法：关系副词指代成分可否省略When时间状语否Where地点状语否why原因状语否注意：why只能引导“限定”；若要用于“非限定”中，则须用for which引导。注意一：关系副词 = 介词 whichI still remember the day when I came here. (when = on which ) This is the house where I lived last year. (where = in which )There are many reasons why people like traveling. (why = for which )注意二：关系副词 / 关系代词1) Ill never forget the days