1、=【 ;精品教育资源文 库 】 = Unit 12 Life is full of the unexpected. Section B 3a Self Check 【学习目标】 1. 复习并掌握下列单词和短语： backpack, oversleep, give ? a lift, miss, unexpected, block, worker, stare, disbelief, above, burn, alive, airport, till, west, cream, workday, pie, show up, bean, market, fool, costume, embarra
2、ssed, costume party, announce, spaghetti, hoax, sell out, discovery, lady, cancel, officer, believable, disappear, embarrassing 2. 能熟练掌握运用过去完成时的句式： （ 1） By the time I got up, my brother had already gotten in the shower. （ 2） But before I got to the bus stop, the bus had already left. （ 3） Well, at l
3、east by the time you got to school, you were only five minutes late for class. （ 4） Before I could join the others outside to see what was going on, the first plane had already hit my office building. （ 5） But by the time I got to the airport, my plane to New Zealand had already taken off. 【重点难点】 重点
4、：掌握并熟练运用本单元的词汇、常用表达及句型。 难点：注意人们所持文化认同感和对玩笑容忍度的差异， 愚弄他人时应持审慎及得当的态度。 【课堂探究】 语法再现： 过去完成时 定义： 1）表示一个动作或状态在过去某一时间或动作之前已经完成，即发生在“过去的过去”。这个过去的时间可以用 by, before 等介词短语或者一个时间状语从句来表示。 例句： When I woke up, it had stopped raining. 我醒来时，雨已经停了。 2）表示某一动作或状态在过去某时之前已经开始，一直延续到这过去的时间。常用表延续的时间状语如 by the end of +过去的时间点， by
5、 the time +从句等。 例句： By the end of last term, we had learned 5,000 new words. 到上个学期为止，我们已经学了 500 个新单词 。 判断依据： 1）时间状语。 by+过去的时间点， by the end of +过去的时间点 =【 ;精品教育资源文 库 】 = He had finished reading the book by 10 o clock yesterday. 到昨天 10 点钟时，他已经读完这本书了。 By the end of last year, she had worked in the facto
6、ry for 20 years. 到去年年底，她已经在这家工厂工作 20 年了。 2) “ 过去的过去 ” 。在含有宾语从句 (told, said, knew, heard, thought 等动词后的宾语从句 ) 的复合句中，当主句为一般过去时，且从句的动作优先于主句的动作发生时，要用过去完成时。 He said that he had seen the movie before. 他说他以前已看过这部电影了。 【针对练习】 1). By the end of last month, David _ more than seven hundred stamps. A. has collec
7、ted B. collect C. had collected D. has been collecting 2). When my sister left home, she realized she _ to lock the door. A. forgets B. forgot C. has forgotten D. had forgotten 【达标练习】 I. 单项选择。 1. Why did you miss the English class? Because my alarm clock didn t _. A. go off B. put off C. take off D.
8、 get off 2. Tom was disappointed because most of the guests _ when he _ at the party. A. left; had arrived B. left; arrived C. had left; came D. had left; arrived 3. I like reading the storybooks _ by Jin Yong. A. write B. written C. to write D. wrote 4. Some students had to _ doing homework, becaus
9、e they should hand in the homework the next day. A. stay up B. show up C. put up D. cut up 5. Helen _ her keys in the office so she had to wait until her mother _ home. A. has left; comes B. left; had come C. had left; came D. had left; would come II. 用括内所给单词的适当形式填空。 =【 ;精品教育资源文 库 】 = 1. He dreamed
10、of being a police _ (office). 2. The _ (discover) of oil in this area is exciting. 3. His daughter got _ (marry) last month. 4. Many people like movies with a happy _ (end). 5. Mark is an honest boy. I think his words are _ (believe). III. 根据汉语提示完成英语句子，每空一词。 1. 我还没来得及和其他人一起出去看看发生了什么事情，第一架飞机已经撞上了我所在的
11、办公大楼。 Before I could join the others outside to see _ _ _ _ the first plane _ already _ my office building. 2. 这是我一年里度过的第一个假期，并且现在我还错过了我的飞机，多么倒霉啊！ This is the first holiday I ve _ in a year, and now I ve _ my plane. _ _ _! 3. 我的坏运气出乎意料地变成了一件好事。 My bad luck had _ _ _ a good thing. 4. 到人们意识到故事是个骗局的时候，
12、全国各地所有的意大利面都已经卖光了。 _ _ _ people realized that the story was a , all of the spaghetti _ _ _ had _ _ _. Time, Time again, I ask myself （请写出这节课你的收获，完成下面的反思） 【学后反思】 九 年级第 12 单元 第 6 课时 学案答案 【 课堂探究 】 【 针对练习 】 1） C 【 解析】由 By the end of last month 可知，用过去完成时。 =【 ;精品教育资源文 库 】 = 2） D 【解析】忘记锁门的动作发生在离开家之前，即“过去的过
13、去”。 【达标练习】 I. 单项选择。 1. A 【解析】 A. 闹钟响铃 B. 推迟 C. 起飞、脱下 D. 下车 2. D 【解析】客人离开是在过去的过去，因此用过去完成时态 had left. 3. B 【解析】 written 过去分词作定语。 4. A 【解析】 A. 熬夜 B. 出现、露面 C. 搭起、建立 D. 切碎 5. C 【解析】妈妈回家是过去时态，落下钥匙是过去的过去，用过去完成时。 II. 用括内所给单词的适当形式填空。 1. officer 【解析】名词，官员 2. discovery 【解析】名词，发现 3. married 【解析】 get married 结婚 4. ending 【解析】名词， ending 5. believable 【解析】 believable 可信的 III. 根据汉语提示完成句子。 1. what was going on; had; hit 2. taken; missed; What bad luck 3. unexpectedly turned into 4. By the time; hoax; across the country; been sold out 【 163 文库：各类精品优质课，公开课课件 ppt;教案，教学设计，各类试题复习资料，工作文档等上百万资源。】 【平台地址： 】
