深圳七年级下Unit-4--Save-the-trees--教案含练习.doc

Unit 4 Save the trees 一、核心词汇1. save v.拯救2. pine n.松树3. discuss v.讨论4. branch n.树枝5. root n.根6. fight v.与作斗争7. against v.反对8. example n.例子9. harmful adj.有害的10. gas n.气体11. produce v.产生12. oxygen n.氧气13. major adj.主要的14. convenient adj.方便的15. furniture n.家具16. imagine v.想象17. disease n.疾病18. dig v.挖19. hole n.洞20. carry v.搬21. container n.容器二、重点短语1. fight against对抗，与.作斗争2. help sb. do sth. 帮助某人做某事3. know about知道，了解4. in many ways在很多方面，多角度5. take in 吸收，理解6. come from 来自（be from）7. for example 例如8. in fact 事实上，确切地说9. look around 环顾四周10. (be) made of 由制成11. millions of 大量的12. (be) good for 对有好处三、基础知识点1.If I plant this seed in the ground,will it become a pear tree, Hi?(1)if 引导条件状语从句时，意为“如果”。主句（包括祈使句和含有情态动词can，may，must等的句子）用一般现在时，从句也用一般现在时；主句用过去时，从句也用过去的某种时态；如果主句是一般将来时，从句要用一般现在时表示将来。Eg: We will go out if it is fine tomorrow. You must see a doctor if you are ill.(2) a不定冠词，意为“一（个）”，用在以辅音音素开头的单数可数名词前；在以元音音素开头的单数可数名词的前面要用不定冠词an。不定冠词a/an常放在单数可数名词前，表示一个不确定的事物或人。其用法如下：第一次提到某人或某物时，用不定冠词。Eg: Youd better go to see a doctor.表示某一类中的任何一个，是泛指。Eg: A dog is a useful animal.表示“一”的数量，但数的概念没有one强烈。Eg：I have a pen, a pencil and two books.用在表示时间、重量、速度、价格等名词前，意为“每一”。Eg: We have six English classes a week.2. Look around this room.与look相关的短语：look for寻找；look over仔细检查，翻阅；look after照顾；look up抬头看3. A lot of furniture is made of wood.很多家具都是由木头制成的。(be) made of(看得出原材料)=(be) made from(看不出原材料)意为“由.制成”。如：The chair is made of wood. 这把椅子是由木头制成的。Paper is usually made from wood. 纸通常由木头制成。4. But we cut down millions of trees every year.但每年我们都会砍伐数百万的树木。millions of意为“数以百万计；大量的”。如：Millions of people around the world learn English.全世界无数人在学习英语。【拓展】：hundreds of 数以百计的，成千上万的；thousands of数以千记的，成千上万的；tens of thousands of 数以万计的；hundreds of thousands of数以十万记的注意：hundred，thousand，million，billion等前面有具体的数词时，其后不加-s，也不带介词of。Eg: two hundred 200 5. She can skate at a very high speed because sh practises a lot.Practise及物动词，意为“训练，练习”。宾语可以是名词、代词或动名词。Eg: You must practise speaking English every day.6. As a result, the number of kinds of animals, birds, insects and trees in the world is decreasing.The number of意为“的数量”。Eg:The number of the students in our class is 50.【拓展】The number of的数量后接复数名词，但谓语动词要用单数形式常跟large，small等词作表语The number of the students in our school is 2000.A number of大量；许多，相当于many接复数名词作主语时，谓语动词用复数形式Number前可加small，large，huge等表示程度A number of students are playing football.7. .but the speaker did not stop speaking until twenty past twelve.Not. Until.意为“直到才”。主句的动词一般是非延续性动词，它所表示的动作直到until所表示的时间才发生。Eg：You cannot leave until your work is finished.四、 语法：现在进行时 （ be doing ） 1、现在进行时的语法功能 1)表示说话时正在进行或发生的动作。这类情况常与now现在（at the present现在（at the moment现在等时间状语连用。 Please dont make so much noise. Im writing a composition. 不要吵闹。我正在写作文。 Look! They are reading over there under the tree. 看，他们在那边的树底下看书。 Listen! She is singing in the room. 听，她在房间里唱歌。 2)表示现阶段正在进行而说话时不一定在进行的动作。 We are working in a factory these days. 这几天我们在一家工厂工作。 这类情况常与today今天，this week这个星期，this evening今天晚上，these days目前等时间状语连用。 3)在口语中表示主语计划将要作的动作They are leaving for New York tomorrow. 明天他们将要动身前往纽约。 这类情况常与come来，go去， leave离开，depart离开，arrive到达，stay逗留，start开始等动词连用。所用的动词必须是动作而不是状态，主语必须是人。 4)现在进行时与always等副词连用时带有感情色彩。 Hes always quarreling with others. 他老喜欢跟别人吵架。 与always总是，usually通常，continually不断的，constantly经常的，forever永远、老是等副词连用。 5)有的现在进行时句子和一般现在时同义。用现在进行时表示问者的关切心情。 How are you feeling today? （How do you feel today?你今天感觉如何？ Why are you looking（do you look）so sad? 为什么你看起来这么愁眉苦脸的样子呢？ 2、结构：be(am/is/are)+动词ing(现在分词) 1）肯定句：主语+ be + v-ing. + 其他. 如：The children are playing in the park. 2) 否定句：主语+ be + not + v-ing. + 其他. 如：I am not talking to you. 3）一般疑问句：Be +主语+ v-ing.+其它? 如：Are you talking to me？ 4）特殊疑问句：特殊疑问词+一般疑问句? 如：Who are you talking to？ 3、动词ing现在分词的变化规则 1) 直接加ing: do- doing play- playing cry- crying fly- flying go- going 2）双写最后一个辅音字母，再加ing: run- running, get- getting, let- letting, begin- beginning， put-putting， sit-sitting，swim- swimming，cut- cutting , shop- shopping , plan- planning . 3）去掉最后一个不发音的e，再加ing: dance- dancing, wake- waking , take- taking, practice- practicing , write- writing , have- having 4） 改ie为y，再加ing : die(死亡)dying, tie（系） tying lie（说谎）- lying 4、【注意】表状态、感觉、情绪、精神活动的动词不可用于进行时如：believe（相信），doubt（怀疑），hear，know，understand，belong（属于），think（认为），look（看起来），show，mind，have，sound（听起来），taste（尝起来），care，like，hate，love， 例如：Danny: The doorbell is ringing. May: I know. I hear it. 【信息词】look，liste，now， Unit_4_save_the_trees_单元综合测试一、词汇 （共20小题，每小题1分；满分20分）A）选择并抄写单词。 1. A doctors work is to _( save, kill ) our lives .2. A _( pine, grass ) is a kind of tree .3. Trees take in harmful _ ( oxygen , gases ) . 4. Buses make our lives _ ( quickly , convenient ) .5. I am _ ( read , reading ) . 6. Theyre important fighters _ ( for, against ) air pollution. 7. The _ ( furniture, furnitures ) made of wood is very expensive.8. My mother bought _ ( alive, living ) fish today.9. _ ( Harmful, Harmless ) gases are bad for our health.10.I want to _ ( ask, discuss ) the question with you. B) 根据汉语提示，写出单词的正确形式11. Good soil ( 土地 ) will _ fine crops. ( 生产 ) 12. We know that trees do two _ things to the air . ( 主要的 ) .13. Look! He is _ the holes on the ground. ( 挖 ) .14. Which _(雨林) is the largest in the world?15. There are many kinds of _ (松树) in this park.C) 根据括号内所给词的适当形式填空16. This tree has green _ all year round. ( leaf )17. We can learn a lot of _ things. ( use ) 18. Look! The bus _ . ( come )19. Trees are the biggest and oldest _ things on the earth. ( live )20. We should do some exercise to keep us _. ( health )二、单项填空 （共15小题，每小题1分；满分15分）从A、B、C、D 中选出可以填入空白处的最佳选项。( ) 21. We must thank trees _ oxygen into the air . A. produce B. to produce C. for produce D. for producing( ) 22. Trees can protect ( 保护 ) _ by producing a chemical.A. himself B. itself C. themself D. themselves( ) 23. People are destroying their best fighters _ pollution.A. for B. by C. against D. in( ) 24. Im going to the library today. I need some _ about trees. A. information B. informations C. advice D. news( ) 25. I cant imagine a world _ water. A. with B. without C. and D. have( ) 26. Be quiet! The students _ a class now. A. have B. had C. are having D. has( ) 27. We _ oxygen _ the air and release ( 释放 ) CO2 into the air.A. take in ; from B. release ；into C. take ; into D. release ; from( ) 28. The medicine kept the patient _ for another month. A. live B. to live C. alive D. lived( ) 29. We can get many things _ trees. A. out of B. on C. in D. from( ) 30. Look! All people _ fun at the beach. A. has B. having C. have D. are having( ) 31. He is too careless and he _ his keys. A. always lost B. always lose C. is always losing D. was always losing三、补全对话 （共 5小题，每小题1分；满分 5分） 从方框AE中选出可以填入对话空白处的最佳选项。选项中有两项为多余选项。 A: Hey, John.B: _36_A: What are you doing?B: _37_A：Do you want to come over to my house? We can watch a video.B: Ok. 38 A: Its on Bridge Street. Its a quiet street off Fifth Avenue.B: _39_Theres a new hotel on the corner.A: Yes. Theres a supermarket on the street. My house is across from supermarket.A. How are you?B. Hi, Machael.C. Im reading a book.D. Are you sureE. I know where that is.F. Ill see you at two-thirty.G. Wheres your house?B: OK! _40_四、完形填空（共10小题，每小题1分；满分10分） 阅读短文，掌握其大意，然后从A、B、C、D 四个选项中选出可以填入空白处的最佳选项。 What do you do at the weekend? Some people like to 41 at home, but others like to go 42 a walk or play football. My friend Jack works hard in a factory during the 43 .At the weekend, he always 44 the same thing. On Saturday he 45 his car and on 46 he goes with his family to a village by car. His uncle and aunt have farm there. It isnt a 47 one, but theres always 48 to do on a farm. The children help with the animals and give them their 49 . Jack and his wife help in the fields. At the end of the day, they are all 50 and Jacks aunt gives them a big meal.( ) 41. A. play B. stay C. live D. enjoy( ) 42. A. to B. in C. at D. for( ) 43. A. day B. time C. autumn D. weekdays( ) 44. A. does B. make C. borrows D. has( ) 45. A. watches B. washes C. driving D. sells( ) 46. A. Monday B. Saturday C. Sunday D. Tuesday( ) 47. A. big B. small C. hard D. short ( ) 48. A. little B. much C. fast D. far( ) 49. A. clothes B. places C. food D. balls( ) 50. A. clean B. late C. hungry D. friendly五、阅读下面短文, 然后根据内容判断句子正(T)误(F)。 （共 5小题，每小题1分；满分 5分） There are many kinds of trees. All trees have roots. The roots hold trees in the ground. The roots soak up ( 吸收 ) water and food. Then trees get water and food from the roots. You cant see inside a tree. But you can study how water moves through trees. First, get a stalk ( 茎 ) of celery ( 芹菜 ) and cut off its end. Put red colour in a cup of water. Then put the stalk of the celery into the red water. Then we can see the red water moving up in the celery easily. After half an hour, take the celery out. Cut it in half. Your celery should be red. This is because the water moved up the stalk. Water moves through trees in the same way as it moved through the celery.( ) 51.First, put a stalk of celery with its leaves and end into a cup of water.( ) 52. The stalk can soak up the water and food in the ground.( ) 53. Water moves through trees in the same way as it moves through the stalk of the celery.( ) 54. We can also see how water moves inside trees clearly.( ) 55. If we dont cut off the end of the celery , the red water will not move up.六、阅读下列诗歌和短文，然后根据内容选择最佳答案。 (共10小题，每小题1分；满分10分）A The date palm ( 枣椰树 ) is a wonderful tree. People eat dates. They feed them to their animals. They use the leaves and the wood to build houses. They use the wood to build boats. They make baskets from the leaves. They burn the other parts of the trees to cook food. The date palm came from the Middle East. Seven thousand years ago, people in Syria （叙利亚）and Egypt ate dates. They made pictures of date palms on their building. Today date palms grow in the middle East, parts of Asia, southern Europe, and other warm parts of the world. There are more than 27 hundred kinds of palm trees, most of them cant grow in the Middle East because it is too dry. But the date palm grows well there. B Most people in the office have a boss ( 老板 ) . So do I ( 我也是 ). But my boss is a little unusual. Whats unusual about him? Its a big dog. Many men have dogs, but few men bring their dogs to the office every day. My bosss dog. Robinson, is big and brown. My boss brings him to work every day. He takes the dog to meetings and he takes the dog to lunch. When there is a telephone call for my boss, I always know if he is in the office. I only look under his desk. If I see something brown and hairy ( 毛茸茸的 ) under it, I know my boss is somewhere in the office. If there is no dog, I know my boss is out.( ) 61. People _ bring dogs to the office. A. usually B. often C. seldom D. sometimes( ) 62. My boss is Robinsons _. A. boss B. master(主人)C. classmate D. teacher( ) 63. Robinson goes to meetings _ my boss. A. for B. without C. instead of (代替).D. with ( ) 64. Robinson is always under the desk if the boss is _. A. in the office B. at meetings C. out of the officeD. out of work( ) 65. The passage tells us the boss _the dog very much. A.looks like B. hates C. likes D. trusts(信任) 七、短文填空 （共10小题，每小题1分；满分10分） 阅读短文，然后从方框中选出可以填入文中空白处的单词。 All drinking discovered besides pick According to during green most first Chinese teaTea is the (66)_ popular drink in the world (67)_ water. (68)_ tea comes from the tea plant. People (69)_ leaves from it to make tea.The habit of (70)_ tea has a long history in China.(71)_ an old story , Chinese Emperor Shennong (72)_ tea. Lu Yu, a writer (73)_ the Tang Dynasty, wrote the (74)_ book about tea.There are several types of Chinese tea, such as white tea, (75)_ tea and black tea.八、回答问题 （共10小题，每小题1分；满分10分） 阅读短文，然后根据内容回答所提问题。A Provence (普罗旺斯) is in the south-east of France. It is famous for its lavender (薰衣草) fields. Every year, millions of tourists go sighting in Provence.If you want to go on holiday in summer in France, you should visit Provence. July and August are the perfect months to see lavender in Provence.If you prefer o have wine with seafood, you should also visit Provence, because its wines are excellent.76.