人教版九年级12单元课件
人教版九年级英语各单元复习课件(共260张PPT)
和朋友们一起学习 制作抽认卡 制作词汇表 向某人寻求帮助 为考试而学习 大声读 用那种方式 口语技巧 做某事的最好方法
10. specific suggestions 11.for example 12.have fun 13.not …at all 14.get excited 15.end up doing / with sth. 16.ways of learning English 17.do a survey 18.watch English language TV 19.keep an English notebook 20.make mistakes 21.know how to do sth. 22.get the pronunciation right 23.a lot of 24.get much writing practice
You should get up by 7 a.m. I learn English by reading aloud. The house was destroyed by fire.
by mistake 错误的 by the time 到…之前 by accident = by chance 偶然 day by day 一天天
54.regard …as… 55.change … into… 56.young adults 57.try one’s best 58.with the help of 59.think of 60.think about 61.break off pare… to… 63.talk to sb.
By thinking of something worse
By comparing yourself to other people, 你将会 发现你的问题are not so terrible. Think about Stephen Hawking , for example , 一个非常聪明 的科学家，who regards his many physical problems as unimportant他不能走或者甚至说话， 但是他变得非常出名和成功。我们可能相当的健 康和聪明。let’s not worry about our problems . 让我们面对挑战instead.
人教版九年级下册化学 第十二单元 化学与生活 人教版九年级下册化学总复习课件
B
C
D
练一练、讲一讲
请用分子的观点解释：
⑴蔗糖加入水中，慢慢消失，水有了甜味。
⑵墙内开花，墙外香。
⑶水的电解与水的蒸发有什么不同？ 提示：
⑴蔗糖分子向水中运动。 ⑵香气分子向空气中运动。
⑶ 水蒸发 水电解
H2O(液态）
H2O(气态）
分子不变－－物理变化
H2O
通电
H2 + O2
分子改变－－化学变化
1、对于Mg2+和Mg两种粒子比较，下列说法不正确的是 A、它们的电子数相同 B、它们的化学性质相同 C、它们的质子数相同 D、它们都是构成物质粒子
初中化学总复习之一
请填写下列物质分类图：
物 质
一、物质的分类与命名
稀有气体
多种物
纯
质组成
净
物物
质混
单质
多种 元素 组成
化合物
金属单质 非金属单质
有机物
合
根据所含物 物
质种类。
根据组成的元 素多少。
无机物
一般不含 碳元素
一定 含碳 元素
氧化物
酸
碱
盐
一、纯净物和混合物
项目
混合物
纯净物
ቤተ መጻሕፍቲ ባይዱ
概念
由两种或两种以上物质混 由一种物质组成 合而成。这些物质间没有 发生化学反应，各自保持 原有的性质
物
净物
都为纯净物
不同点 同种元素组成
联系
单质
实例 氢气、氧气
不同种元素组成
化合 分解
化合物
水、二氧化碳
辨析：氧化物及其命名
氧化物的定义：
➢➢➢由一纯两种净种是物元氧（氧N素元或2与例化组素化O：物成合2混下？物合列请）体物命质名哪：K些Mn是O4
人教版九年级英语第12单元知识讲解
Unit 12 Life is full of the unexpected词句精讲精练【词汇精讲】1. by the end ofby the end of意为“到……末为止”，其后只能接时间，可用于将来时或过去完成时。
例如：We’re going to finish it by the end of this week.到本周末，我们将完成这项工作。
【拓展】(1) at the end of意为“在……末端，在……尽头”，可以表示时间，也可以表示地点。
例如：at the end of January在一月底（表示时间）at the end of the street在街道末端（表示地点）(2) in the end意为“最后，终于”，相当于at last，finally，其后不能接of短语。
例如：Our team beat theirs in the end.最后，我们队战胜了他们队。
2. disappeardisappear 是动词，意为“消失，消散”。
其反义词是appear, 意为“出现”。
例如：Do n’t disappear again. 不要再突然消失了。
Some animals are disappearing because of hunting.一些动物因滥捕而濒临灭绝。
A woman appeared at the end of the street.一位妇女出现在街道的尽头。
3. go offgo off 意为“发出响声”。
例如：My alarm clock didn’t go off. 我的闹钟没有响。
The alarm went off. 警铃骤然响起。
【拓展】（1）go off 还有“离开，出发”等意。
例如：Do go off the main road, or you’ll be lost.不要离开大路，否则会迷路的。
（2）go off 还表示“变质”。
例如：This milk has gone off. 牛奶变坏了。
人教版英语九年级全册单元unit 12 知识点+测试卷+思维导图
Unit 12 Life is full of the unexpected.1.重点词汇：backpack, block, worker, airport, fool, cream, pie, bean, market, discovery, lady, officer, oversleep, burn, cancel, disappear, unexpected, alive, west...2. 短语归纳：1.take a shower 淋浴2.by the time 到……的时候3.be late for class 上课迟到4.go off （闹钟、警铃等）突然响起5.wake up 醒来6.put on 穿上7.rush out 冲出8. brush one’s teeth 刷牙9.give sb a lift 给某人一程10.end up 结束11.be full of 充满12.be about to 刚要，即将13.wait in line 排队等待14.stare at 盯着15.in disbelief 怀疑地16. take off 起飞17.turn into 变成18.arrive at 到达19.show up 露面20.leave for 动身3. 必背典句：1.When I got to school, I realized that I had left my backpack at home.当我到学校时，我意识到我把背包落在家里了。
2.By the time I got back to school, the bell had rung.当我回到学校时，铃声已经响了。
3. Before I got to the bus stop, the bus had already left.在我到达公共汽车站之前，公共汽车已经开走了。
4. As I was waiting in the line with the other office workers, I heard a loud sound.当我和其他办公室工作人员在排队的时候，我听到了一个很大的声音。
12人教版九年级语文上册第12课《湖心亭看雪》精品教学ppt课件(含教材习题答案)
疑难探究
3.写赏雪,却写到亭上金陵人饮酒的场面,多余吗?为什么?
第三单元 游目骋怀
12* 湖心亭看雪
课后作业---《少年班》
课后作业
D
课后作业
D
课后作业
B
课后作业
C
课后作业
课后作业
B
课后作业
上下一白
雾凇沆砀
湖中人鸟声俱绝
天与云与山与水 大雪三日
第三单元 游目骋怀
12* 湖心亭看雪
课后作业---《少年班》
课后作业
D
课后作业
D
课后作业
B
课后作业
举像目一皆抹白印痕的天湖地堤苍茫 浩大气象
墨点一般大小的亭 如草“芥一和”米字粒把一夜样晚的里小天舟空和、舟中人
云雾、湖水之间浑然莫辩 缩的小壮式阔的、夸朦张胧和而比又喻凝，静和的阔大的雪 景美形景成展对现比出。来写。出了人和物在大自 然中的渺小。
精读细研
独往看雪
雾凇沆砀，天与 云与山与水，上下一 白。湖上影子，惟长 堤一痕、湖心亭一点 、与余舟一芥、舟中 人两三粒而已。
第三单元 寄情山水名胜
12* 湖心亭看雪
目 录
CONTENTS
1 学习目标 3 字词梳理 5 精读细研 7 主旨归纳 97 疑拓难展探延究伸
2 走近作者 4 整体感知 6 疑难探究 8 写作特色 180 课主后旨作归业纳
人教版九年级英语全册Unit 12 Life is full of unexpected全单元课件
用法：
2. 过去完成时词可以表示过去某一时 刻之前发生的动作或呈现的状态，这 一动作一直持续 或将继续下去。
1. 到了六点钟为止，他们已经工作了八小时了。
1. 她到家之前她的孩子已经睡着了。 When she got home her children， _h_a_d__s_le_p_t____(sleep). 2. 在他们到达之前电影已经开始了。 Before they arrived here， the film ___h_a_d____ already ___s_ta_r_t_e_d___ (start). 3. 到昨晚上，他已写完那封信。 By yesterday evening he _h_a_d__w_r_i_t_te_n_ (write) that letter.
3.到上个月中旬我们在北京住了有五年时间了。
By the middle of last month we ____h_a_d__l_iv_e_d___(live) in Beijing for five years.
The Past Perfect Tense 过去完成时
常用于: （1）含介词by到…为止, before 等时间短语的句中.
2a Listen to Mary continue her story. Number the pictures [1-4] in the correct order.
3
1
4 2
2b Fill in the blanks with the correct
人教版九年级英语全一册第十二单元Unit12 Section A (3a-3c)教学PPT课件
新课讲解
Before I could join the others outside to see what was going on, the first plane had already hit my office building. We stared ❻ in disbelief at the black smoke rising above the burning building. I felt lucky to be alive❼.
Useful expressions: feel like，call in，be worried about，for no reason，prime minister，take one’s position
Sentences: ① A long time ago, in a rich and beautiful country, there lived an
新课讲解
辨析stare与look
单词
辨析
v.“凝视，盯着”，指由于好奇、惊讶、赞叹等
stare 原因而瞪大眼睛长时间地、直接地注视，有时
含有粗鲁无礼的意思。
v.“看”，指集中注意力地看，是有意的，强调“ look 看”的动作。通常和介词at连用。单独使用时，
用来引起对方的注意。
新课讲解
eg: I told my son to stop staring at that fat woman; it wasn’t polite. 我告诉儿子不要再盯着那个胖女人看，那样不礼貌。 Look at the map, and you can find where Shanghai is. 看这张地图，你就能够找到上海在哪儿。 Look! There is a white car over there. 看！那边有一辆白色的汽车。
人教版初中英语九年级第12单元
初中英语---unit12重点短语：1. by the time 在……之前2. be full of 充满3. give . . . a lift 捎（某人）一程4. go off 响铃5. rush out 冲出6. wake up 醒来wake sb. up 叫醒某人7. at least 至少；反正8. be about to do sth. 将要做某事9. go on 发生；向前走10. stare at 盯着……看11. in disbelief 怀疑地12. in line with . . . (与……)成一排13. turn into 变成14. jump out of 从……跳下15. show up 赶到；露面16. by the end of 在（某时间点）以前17. get dressed 穿衣服18. stay up 熬夜19. April Fool's Day 愚人节20. Costume party 化妆舞会21. sell out 卖光22. take place 发生23. play jokes on sb. 和某人开玩笑24. play a trick on sb. 捉弄某人25. end up doing sth. 结果是（做）…；以（做）…而告终end up with sth. 以某事结束26. get married to 和……结婚27. police officer 警官28. run out of 用光；耗完重点句型:1. Life is full of the unexpected.生活充满了意外。
2. By the time I got outside, the bus had already left.当我到外面的时候，公共汽车已经离开了。
by the time 在……以前（常引导表示过去的时间状语从句，主句常用过去完成时。
）by now 表示“到现在为止”，通常与现在完成时连用。
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Read the passage and answer 3a the questions.
1. Which two events does the writer mention?
The writer mentions the September 11 attack in New York and the earthquake in New Zealand.
Oh, no!
So I just quickly put on some clothes and rushed out of the door.
You didn’t eat breakfast?
No, I didn’t even brush my teeth or wash my face! But before I got to the bus stop, the bus had already left.
Write out the story of Mary.
Could you please make sentences with these words and phrases below?
unexpected by the time backpack oversleep
adj. 出乎意料的
1. Life is full of the unexpected. unexpected adj. 出乎意料的；始料不 及的 e.g. It will not be unexpected if Tom comes late again, because he is always like this. 如果汤姆又迟到了，一点也不意 外，因为他一向如此。
例如： When I got there, you had already eaten your meal. 当我到达那里时，你已经开始吃了。 By the time he got here, the bus had left. 在他到达那里之前，汽车已经离开了。
Listen to Mary continue her 2a story. Number the pictures [1-4] in the correct order.
4. Luckily, Carl’s dad saw me on the street and gave me a lift in his car. gave … a lift 捎……一程 e.g. Could you give me a lift, please? 请问你能否捎我一程？ Jim gave me a lift on my way home yesterday. 吉姆昨天在我回家的路上捎了我 一程。
Tell a story
overage oversize The girl got up late. She overslept.
oversleep (overslept, overslept) v. 睡过头；睡得太久 复合词中的over常有“过于……”之意 Don’t oversleep, Dean! You are to be late. 迪恩，别睡过头了！你要迟到了。
Then how did you get here?
Luckily, Carl’s dad saw me on the street and gave me a lift in his car.
Well, at least by the time you got to school, you were only five minutes late for class.
2. How did the writer end up missing both events?
The writer went to get a coffee first and was not in the office when the plane hit the World Trade Center. He/she had overslept and missed his/her flight, so he/she was able to avoid the earthquake.
2. By the time I got up, my brother had already gotten in the shower. by the time “在……以前”，常引导 表示过去的时间状语从句，主句常用 过去完成时，即had+动词过去分词。 e.g. By the time I got there, he had already left. 在我到那儿之前，他已经离开了。
用方框内短语的适当形式填空。 by the time, wake up, rush out
1. Tom __________, rushed out running after his brother in the dark night yesterday. 2. By __________ the time I was 10, I had been able to either play piano or violin. 3. _________, Wake up Sammy! It has been late for you to go to school.
3c
Retell one of the events to your partner. Use these words and phrases to help you.
3b
Find the opposite meanings to the words. 1. lost: found adv. 向西，朝西 adj.向西的，西部的 2. west: east n.西，西方 3. below: above 4. dead: alive 5. empty: full
Write a sentence with each word. 1. I found the money on the floor. 2. The sun rises in the east. 3. There was a large bird flying above us. 4. His family was so happy to hear he was still alive. 5. The train was so full that I couldn’t get on the train at all.
◆ 第一段： found a job, arrived at,
was about to, even though, stared, in
disbelief, the burning building, alive
◆ 第二段： woke up, went off, had
taken off, till, unexpectedly, turned into
n. 背包；旅行包Fra bibliotek 过去完成时(1) 构成：由“助动词had(用于各种人 称和数) + 过去分词”构成。 否定式：had not + 过去分词 缩写形式：hadn’t (2) 用法：过去完成时表示在过去某一 时间或动作之前已经发生或完成了 的动作。
(3) 它所表示动作发生的时间是“过 去的过去”。 ① 表示过去某一时间可用by, before 等构成的短语来表示。 ② 也可以用when, before 等引导的时 间状语从句来表示。 ③ 还可以通过状语从句或通过上下文 暗示。
2d Role-play the conversation.
Why were you late for class today, Kevin? My alarm clock didn’t go off! I kept sleeping, and when I woke up it was already 8:00 a.m.!
根据句意和汉语提示，填写单词。
1. There will be an __________ unexpected (意外的） surprise. 2. The children _________ rushed (冲，奔) out the school when the bell rang. 3. Yesterday the girl ________ broke (违反) the rule and her teacher was angry. 4. When I was about to read my book, I found I ________ had left (忘了带) it at home.
1a Look at the pictures. What happened to the girl?
Listen to Mary talking about her 1b morning. Complete the sentences. had 1. By the time I got up, my brother _____ gotten in the shower. already _______ had 2. By the time I got outside, the bus _____ already ______. left had 3. When I got to school, I realized I _____ ______ left my backpack at home.
3 1
4 2
Fill in the blanks with the correct 2b forms of the verbs in brackets. Then listen again and check your answers. got 1. When I _______ (get) home, I realized I had left (leave) my keys in the backpack. ________ 2. By the time I _____ got (get) back to school, the bell _________ had rung (ring). 3. By the time I _______ walked (walk) into class, the had started (start) teaching already. teacher __________