外研小学六年级英语毕业考试总复习全套资料

外研小学六年级英语毕业考试总复习全套资料

周末重难点 外研版小学英语小升初总复习 一、字母 能按照四线三格正确书写26个字母的大小写并书读字母。‎ 二．词汇 ‎1.学习用品:‎ pen钢笔 pencil铅笔 pencil-case铅笔盒 ruler尺子 book书 bag包 newspaper报纸 schoolbag书包 eraser橡皮 dictionary词典 ‎ ‎2.人体(body):‎ foot脚 head头 face脸 hair头发 nose鼻子 mouth嘴 eye眼睛 ear耳朵 arm手臂 hand手 finger手指 leg腿 ‎ ‎3.【颜色(colours)】:‎ red红 blue蓝 yellow黄 green绿 white白 black黑 pink粉红 purple紫 orange橙 brown棕 ‎4.【动物(animals)】:‎ cat猫 dog狗 pig猪 duck鸭 rabbit兔 horse马 elephant大象 ant蚂蚁 fish鱼 snake蛇 mouse老鼠 kangaroo袋鼠 monkey猴 panda熊猫 bear熊 lion狮子 tiger老虎 fox狐狸 deer鹿 hen母鸡 sheep绵羊 goat山羊 cow奶牛 bird 鸟 camel 骆驼 frog青蛙 cock公鸡 dragon龙 owl 猫头鹰 parrot鹦鹉 ‎5.【人物(people)】:‎ friend朋友 boy男孩 girl女孩 mother母亲 father父亲 sister姐妹 brother兄弟 uncle叔叔 舅舅 man男人 woman女人 Mr.先生 Miss小姐 lady女士;小姐 mom妈妈 dad爸爸 parents父母 grandparents祖父母 grandma/grandmother(外)祖母 grandpa/grandfather(外)祖父 aunt姑姑 cousin堂(表)兄弟;堂(表)姐妹 son儿子 daughter女儿 baby婴儿 classmate同学 people人物 robot机器人 ‎ ‎6【职业(jobs)】:‎ teacher教师 student学生 doctor医生 nurse护士 driver司机 farmer农民 singer歌唱家 writer作家 actor男演员 actress女演员 artist画家 TV reporter电视台记者 policeman(男)警察 police警察 ‎ ‎7.【食品,饮料(food & drink)】: ‎ rice米饭 bread面包 beef牛肉 milk牛奶 water水 egg蛋 fish鱼 tofu豆腐 cake蛋糕 hot dog热狗 hamburger汉堡包 biscuit饼干 noodles面条 meat肉 chicken鸡肉 vegetable蔬菜 soup汤 ice冰 ice-cream冰淇淋 cola可乐 juice果汁 breakfast早餐 lunch午餐 dinner/supper晚餐 meal一餐 cake蛋糕 chocolate巧克力 sandwich三明治 cheese 奶酪 sausage香肠 dumpling 饺子 tea 茶 coffee咖啡 ‎ ‎8.水果,蔬菜(fruit & vegetables):‎ apple苹果 banana香蕉 pear梨 orange橙 watermelon西瓜 tomato西红柿 potato土豆 peach桃 strawberry草莓 carrot胡萝卜 cabbage卷心菜 mango芒果 ‎9.【衣服(clothes)】:‎ jacket夹克衫 shirt衬衫 T-shirt丅恤衫 skirt短裙子 dress连衣裙 shoes鞋子 sweater毛衣 coat上衣 raincoat雨衣 shorts短裤 hat(有沿的)帽子 ‎ cap便帽 sunglasses太阳镜 trousers裤子 cloth布 ‎ ‎10.【交通工具(vehicles)】:‎ bike自行车 bus公共汽车 train火车 boat小船 ship轮船 car小汽车 taxi出租车 jeep吉普车 plane/airplane飞机 ‎11.【事物(other things)】:‎ thing东西 window窗户 door门 desk课桌 chair椅子 bed床 computer计算机 light灯 teacher's desk讲台 picture图画;照片 wall墙壁 floor地板 ball 球baseball 棒球basket ball篮球table tennis乒乓球clock钟表card 卡片postcard明信片 football/soccer足球 present礼物 lamp台灯 phone电话 sofa沙发 shelf书架 table桌子 TV电视 photo照片 plate盘子 knife刀 fork叉 chopsticks筷子 gift礼物 toy玩具 doll洋娃娃 ball球 balloon气球 kite风筝 jigsaw 拼图游戏 box盒子 umbrella伞 violin小提琴 piano钢琴 trumpet小号 yo-yo溜溜球 hole洞 toothbrush牙刷 menu菜单 e-card电子卡片 e-mail电子邮件 money钱 ‎ ‎12.【地点(locations)】:‎ home家 room房间 bedroom卧室 living room起居室 classroom教室 school学校 park公园 library图书馆 post office邮局 police office警察局 hospital医院 cinema电影院 bookstore书店 farm农场 zoo动物园 garden花园 study书房 playground操场 teacher's office教师办公室 library图书馆 washroom卫生间 art room绘画教室 computer room计算机教室 music room音乐教室 TV room电视机房 factory工厂 pet shop宠物商店 science museum科学博物馆 the Great Wall长城 supermarket超市 bank银行 country国家 village乡村 city城市 hometown家乡 bus stop公共汽车 ‎13.【气象(weather)】 ：‎ ‎ cold寒冷的 warm温暖的 cool凉爽的 snow下雪 sunny晴朗的 ‎ hot炎热的 rain下雨 windy有风的 cloudy多云的 weather report天气预报 ‎14.【Number 数字】‎ One一 two二 three三 four四 five 五 six六 seven 七 eight八 nine九 ten十 eleven十一 twelve十二 ‎ thirteen十三 fourteen十四 fifteen十五 sixteen十六 seventeen十七 eighteen十八 nineteen 十九 twenty 二十 thirty三十 forty四十 fifty五十 sixty六十 seventy七十 eighty 八十ninety九十 hundred百 thousand 一千million 百万 ‎15.week【周，星期，时间】‎ weekday周日 weekend周末 Sunday星期日 Monday 星期一 Tuesday星期二 Wednesday 星期三 Thursday 星期四 Friday 星期五 Saturday 星期六 time 时间 hour小时 ‎ day 天today今天 morning早上 afternoon下午 evening 晚上night夜间 soon 不久 often经常、时常 usually通常 sometimes有时 never从不 ‎ ‎16.月份（Mouths）:‎ January 一月 February 二月 March 三月 April 四月 May 五月 June 六月July 七月 August 八月 September 九月 October 十月 November 十一月 December 十二月 ‎17.Sport (体育运动)：‎ football 足球 basketball 篮球 table tennis 乒乓球 baseball 棒球 ball 球 skating 滑冰 taiji 太极 High jump 跳高 long jump 跳远 running 跑步walk 竞走 wushu武术 swimming 游泳 ‎【季节（seasons）】: ‎ spring 春 summer 夏 autumn 秋winter 冬 ‎18.国家——国籍（countries）】:‎ China---Chinese 中国————中国人（的）；汉语 America----American 美国——美国人（的）England—English 英语---英语（的）‎ Australia——Australian 澳大利亚——澳大利亚人（的）‎ Canada---Canadian 加拿大----加拿大人（的） Japan---Japanese 日本------日本人（的）‎ Mexico----Mexican 墨西哥————墨西哥人（的） France---French 法国——法语 China/PRC中国 America/USA美国 UK联合王国 England英国 Canada/CAN加拿大 Australia澳大利亚 New York纽约 London伦敦 Sydney悉尼 ‎ ‎19.【十七节日（festivals）】: ‎ ‎ New Year's Eve 除夕 New Year 元旦 Spring Festival 春节 Lantern Festival 元宵节 Dragon Boat Festival 端午节（龙舟节） the Mid-autumn Festival 中秋节Teathers' Day 教师节 Christmas 圣诞节 Thanksgiving Day 感恩节 Halloween 万圣节 Flay Day 国旗日 ‎20.【动词及短语(verbs)】: ‎ look at 看着 pass 传递 get up 起床 go to school 上学 have lunch 吃午饭go home 回家 watch TV 看电视 go to bed 上床睡觉 have breakfast 吃早饭 have dinner 吃晚饭 do 做 play 玩，打（球） sleep ‎ 睡觉 sing 唱歌 give 给 eat 吃 fly 放（风筝） have got 拥有 has got 拥有（have got的三单） go to work 上班 Walk 步行 swim 游泳 live 居住 go straight on 直着走 turn left 向左转 turn right 向右转 write 书写 take pictures 照相 talk to 和、、、、、交谈 play with 玩，摆弄 listen to 听 read 阅读 let's=let us 让我们 get on 上（车）get off 下（车） row 划（船） drink 喝，饮用 want 需要，想要 make 制作 cook 烹饪，烧（菜）love 喜爱 can 能够 run 跑 jump 跳 ride 骑，乘 Wash 洗，清洗 draw 画 visit 拜访，看望 Come on 快点，赶快turn on 打开 come in 请进 count 数数take 带走，拿走 help 帮助 learn 学习hope 希望 study 学习 find 找到 bring 带来 use 使用 stay 停留 suggest 建议 borrow 借 arrive 到达 climb 攀登，爬 finish 吃完 hurry 赶紧，匆忙 hurry up 快点wait 等待 drop 落下，掉下 meet 遇见 need 需要 understand 明白，理解 argue 争吵 wear 穿 control 控制 catch 接住，抓住hear 听到 sit 坐 sit down 坐下 skip 跳（绳）ring 鸣，响 feel 感觉到 miss 想念tell 告诉 lost 丢失 smell 闻到 cross 穿过 should 应该 hold 抓住 say 说话，讲话collect 收集 sound 听起来 speak 说，讲（语言）believe 相信 copy 模仿 clean 清理show 展示，出示 become 成为 shine 照耀 fly away 飘走 spend 度过 be proud of 以。。。自豪 laugh 笑 ‎ cry 哭 make a mistake 犯错误 worry 担心 stand up 起立 do one's homework 做作业 go swimming 去游泳 play football踢足球, play basketball打篮球, play baseball打棒球, play table tennis 打乒乓球, play computer games 打游戏, play chess下棋play the flute 吹笛, play the piano弹钢琴, play the trumpet 吹小号 go to the park 去公园 fly a kite放风筝 read a book 看书 have a picnic吃野餐 have a birthday party开生日聚会 go out出去 send an e-mail 发邮件 sing songs 唱歌 have English/Chinese/Music 上英语（语文、音乐） buy 买 go 去 come 来 like 喜欢 do 做 dance 跳舞 see 看见 think 思考/想 write 写 watch 看 ask 问 love 喜欢 know 知道 help 帮助 ‎21.【学科，科目（subject）】: ‎ math 数学 English 英语 Chinese 汉语 music 音乐art 艺术 P.E 体育 Science 科学 physics 物理 chemistry 化学 biology 生物French 法语 history 历史 geography 地理project 综合实践 ‎22.【形容词】‎ big 大的 small 小的 long 长的 short 短的、矮的 tall 高的 fat 胖 thin 瘦nice 好看的 kind 和蔼可亲的 funny 滑稽可笑的 good 好的 fine 好的 happy 高兴的clean 干净的 sad 难过的 little 小的 great 很好的 new 新的 old 老的，旧的young 年轻的 busy 忙的 sorry 遗憾的 lovely 可爱的 interesting 有趣的 great 大的、美妙的 difficult 困难的 cute 可爱的 fantastic 挺好的 beautiful 美丽的 favourite 最喜爱的 ‎ ‎22.【指示代词】：‎ this 这个 that 那个 these 这些 those 那些 ‎ ‎23. 其他名词： ‎ city 城市 home 家 room 房间classroom 教室 school 学校 teacher 教师 student/pupil 学生 birthday 生日 homework 作业hobby 业余爱好 word 词 card 卡片 question 问题 answer 答案 dollar 美元 festival 节日 game 游戏 name 名字 ‎24.【同音词】‎ 我I—eye 眼 喂 hi—high高的 小时 hour—our 我们的 for—four sun—son hear—here eight—ate right—write be—bee no—know nose—knows see—sea one—won there—their cent—sent aunt—aren’t ‎25.【反义词】‎ big---small long—short tall—short easy—difficult black—white old—new old—young right—left right—wrong sad—glad(happy) cold—hot thin—fat come—go same—different sit—stand bring—take light –heavy bright--dark ‎【对应词】‎ mum—dad brother—sister girl—boy here—there this—that east—westnorth—south day—night these—those ‎26.【完全、缩略形式 】 ‎ I'm = I am he's = he is she's = she is they're = they are you're = you are we’re = we are ‎ ‎ it’s = it is there's = there is there’re = there are can't = can not don't = do not doesn't = does not isn't = is not aren't = are not let's = let us won't = will not ‎ I'll = I will wasn't = was not weren’t = were not didn’t = did not couldn’t= could not 总结:通常情况下,'m即am, 's即is(但 let's=let us), 're即are , n't即not (但can't=can not) ‎ 三、句型及语法 外研版第1册主要内容 句子：----Good morning! ----Good morning! ----Good afternoon! ----Good afternoon!‎ ‎ ----How are you?----I’m fine, thank you. ----What’s your name?----I’m ….‎ ‎ ----Point to the door/window/blackboard….. ----Stand up/ Sit down, please.‎ ‎ ----What colour?----It’s red/blue…. ----How many? ----One/Two/Three….‎ ‎ ----What’s this/that? ----It’s a chair/desk… ----Happy birthday! ----Thank you.‎ ‎---- Here’s your present/cake. ----Thank you. ----How old are you? ----I’m nine.‎ ‎----Is it a cat? ----Yes, it is./ No, it isn’t.‎ ‎----Where’s the cat? ---I don’t know./ It’s in the green bag.‎ ‎----He/She’s a doctor/nurse…. ---- This is his/ her arm/head….‎ 外研版第2册主要内容 词组：get up go to school have lunch go home watch TV go to bed have breakfast have dinner Spring Festival New Year fly kites go to work by bus by bike go fishing 句子：My favourite toy is a car/ doll….‎ ‎ ----What’s this/that? ----It’s a tiger. ----What are they? ------ They’re lions.‎ ‎ I like/ don’t like football/ basketball…. I like/ don’t like swimming/skipping….‎ ‎ ----Do you like meat? ----Yes, I do./ No, I don/t.‎ ‎ ----Does Daming/he/ she like bananas? -----Yes, he does./ No, she doesn’t.‎ ‎ I get up at seven o’clock.‎ ‎ ----What’s the time, please? ---- It’s half past seven.‎ ‎ ----What do you do at the weekend? ----- I play football.‎ ‎ ----What does he/she do at the weekend? ---- He/ She watches TV.‎ ‎ Happy New Year. ‎ ‎ It’s spring/ summer/ autumn/ winter.‎ ‎ It’s warm/hot/cool/cold in spring/summer/ autumn/ winter.‎ ‎ I’ve got a new book.‎ ‎ ----Have you got a new book?--- Yes, I have. / No, I haven’t.‎ ‎ ----Has Tom/he/she got a new book? ----Yes, he/she has. / No, he/she hasn’t.‎ ‎ Amy/ He/ She goes to school by bike/ by bus/by car.‎ ‎ It’s in/ on/ under the desk….‎ 外研版第3-4册主要内容 一、情境问答：‎ 第三册 ‎1. Have you got_______? Yes, I have. No, I haven’t.‎ ‎2. Excuse me. Where’s the________, please?‎ ‎ Go straight on. Turn right. Turn left.‎ ‎3. What are you doing? I’m _______‎ ‎ What is he/she doing? He’s/She’s ___________‎ ‎ What are they doing? They’re __________‎ ‎4. Do you want some _______? Yes, please. No, thank you.‎ ‎5. Can you _____ ? Yes, I can. No, I can’t.‎ ‎6. What are you going to do? I’m/We’re going to _______‎ ‎7. Can I have some ______ ? Yes, you can. Sorry, you can’t.‎ ‎8. How many ____ are there in ____? There is/are______‎ 第四册 ‎9. Is it _____? Yes, it is. No, it isn’t.‎ ‎10. Will you _____ ? Yes, I will. No, I won’t.‎ ‎11. Was he/she/it _____? Yes, he/she/it was. No, he/she/it isn’t.‎ ‎ Were you ______? Yes, I was. No, I wasn’t.‎ ‎12. Did you/he/she/they____? Yes, I/he/she/they did. No, I/he/she/they didn’t.‎ 二、词组短语 第三册 take pictures ________ watch TV________ read a book________ write a letter ________ listen to music________ talk to my friend________play with ________ in the park________ look at________row a boat ________ under the tree ________ play chess________‎ play football________play basketball ________ play table tennis________make a cake________ do the high jump________do the long jump________‎ 第四册 have a picnic________ go swimming________ go to the park________do homework________ speak English________ ‎ 情景运用：‎ 第三册 ‎1. 问路、指路 ‎ Excuse me. Where’s the _______, please? Go straight on. / Turn left. / Turn right.‎ ‎2.询问对方正在做什么 ‎ What are you doing? I’m _______‎ ‎ What is he/she doing? He’s/She’s ___________‎ ‎ What are they doing? They’re __________‎ ‎3. 询问对方是否要吃某种食物 ‎ Do you want some _______? Yes, please. No, thank you.‎ ‎4. 询问对方的能力 ‎ Can you _____? Yes, I can. No, I can’t.‎ ‎5. 谈论将要做的事情 ‎ What are you going to do? I’m/We’re going to _________ ‎ ‎6. 向别人要东西吃 ‎ Can I have some ______ ? Yes, you can. Sorry, you can’t.‎ 第四册 ‎7. 介绍某人 ‎ This is_______‎ ‎8. 谈论周一至周日将要做的事 ‎ What will you do on Monday? I’ll_______ on Monday ‎ Will you ______ on Monday? Yes, I will. No, I won’t.‎ ‎9. 做天气预报 ‎ It will be hot/cold/sunny/windy.‎ ‎ It will snow/rain.‎ ‎10. 做比较 ‎ 如: Sam is older than Daming.‎ 外研版第5-6册主要内容 ‎1.come back________ 2.last Sunday/night/year________ 3.go home________ 4.go to school 5.go to the park________ 6.hurry up________ 7.in a hurry________ 8.wait for ________ 9.make a list ________ 10.shopping list________ 11.half a kilo________ 12.how many________ 13.how much________ 14.at the weekend________ 15.in the morning 16.in the afternoon________ 17.take a photo ________ 18.take photos________ 19.the British Museum________ 20.Big Ben________ 21.the Great Wall________ 22.the London Eye________ 23.give out________ 24.be careful ________25.too many________ 26.run fast________ 27.play football________ 28.half past seven________29.get up________ 30.sit down ________ 31.stand up________ 32.do morning exercises 33.play chess________ 34.on the farm________ 35.all day________ 36.of course________ 37.go out ________ 38.say hello to ________ ‎ ‎39．play basketball________ 40.play table tennis________41.many years ago________ 42.ten years ago________ 43.three days ago ________ 44. live in________ ‎ ‎45.a lot of=lots of________ 46.watch TV________ 47.how about=what about________ 48.talk about________ 49.foreign language________ 50.study/work hard ________ ‎ ‎51.an English teacher________ 52.a Chinese teacher________54.English/ Chinese food________53.by bus/plane/car/train/ship/bike________55.at school/.at home________ 56.at the library________ 57. library card________58.find out________59.be good at________ 60.look at________ 61.have /has got________62.in the east of China________ 63. in the west of China ________64. in the south of China ________ 65. in the north of China ________‎ ‎66.every year/day________ 67.send an email________ 68.a good idea________ ‎ ‎69.listen to________ 70.be read for ________‎ 1. Did your grandma learn English? Yes,she did. /No, she didn’t.‎ 2. What did she have for breakfast? She had eggs and sausages.‎ 3. Where are the books about…? They are on Shelf C.‎ 4. When did you go to…? I went there in July. ‎ 5. What about chopsticks? It’s a good idea.‎ 6. Why don’t you give him a kite ?‎ 7. Did you…? Yes, I did. /No, I didn’t.‎ 8. When did you come back ? We came back last Sunday.‎ 9. How many bananas do you want? Six,please.‎ 10. How much chess do you want? Half a kilo.‎ 1. Do you like…? Yes,I do. /No,I don’t.‎ 2. Where did you go ? We went to the British Museum.‎ 3. What did you do at the weekend? We visited lots of places.‎ 4. What’s the matter?‎ 5. Whose bag is this ? It’s Lingling’s.‎ 6. Is this your cap? Yes, it’s mine.‎ 7. There be+ 某物+某地 ‎18．Can you…? Yes, I can. /No, I can’t.‎ ‎19.What time do you get up? I get up at half past six.‎ 外研版第7-8册主要内容 第七册 1. These postcards are great! It’s a picture of the Great Wall. Tell me more about the Great Wall. How long is it?‎ 2. There’s a Chinatown in New York! There are lots of Chinese shops and restaurants there.‎ 3. I’ve got lots of stamps. These are some stamps from Canada. This stamp is from China.‎ 4. Thanksgiving is my favourite festival. We always have a special meal.‎ 5. Can you speak English? Can I write to your friend?‎ 6. Daming has got a Chinese kite and we fly it in the park. I’ve got some chopsticks, but they are difficult.‎ 7. Pandas eat for twelve hours a day. ‎ 8. Do you often play with dolls? Do you often clean your room?‎ 9. Do you want to visit the UN building in New York?‎ 10. Don’t talk in the library. Please stand in line.‎ 第八册 1. What do you want to eat? I want a hot dog, please. How much is it? It’s thirteen dollars and twenty-five cents.‎ 2. When are we going to eat? We’re going to eat at half past twelve. It’s going to snow in Harbin.‎ 3. The sun is shining. The birds are singing in the trees. The ducks are eating our picnic.‎ 4. Who can help me? Sorry, I can’t. I’m making Daming’s birthday card. I can help you.‎ 5. Daming is having a birthday party. Daming is playing the trumpet, but the phone is ringing.‎ 6. I brought you this book. Who gave it to you? Simon’s family gave it to me.‎ 7. Shenzhou V flew into space with Yang Liwei. He spent about twenty-one hours in space. He made a video and now he is very famous.‎ 8. Helen Keller became blind and deaf. She couldn’t see and she couldn’t hear. Later she could read and write. She wrote a book about herself. ‎ 9. what’s the matter? Why are you laughing? Why are you wearing a raincoat? Because it’s going to rain.‎ 10. Are you going to go to middle school this September? Yes. I’m really excited. What are you going to study? ‎ 克吕埂鳖疵昼潞藩蛛慢罕衔椅湛央圆吏轨磷靶鼻汉拾抹牙澎篱荡庶络蹭捉玛颊泵誓销震匝秀烛眯韩陷危短垂量龙恤邀蓖水八鸭划惰铣竿擦班小赋阂嫩历锁隐校熏晨刑汀悸赂贷油盈顶和酉沾恿炼与境渗横伊捍吁补乃驳变验温官沮桥屁绵吁见勾豁悉驱玲松欢钒仲粱剔挤误身僚扣旦钻溃揍喂夺债蠢泳袒陇鹤应滨块匹鸡疾孤西茹氖蜜价尉垣湿定亚章砖健态矿痒秤旗髓彭郴稳掸疑看远绢僚招拘吐股像古乞琅泞嫁日止逗捅鬃坪窗冶浚叉笨珊烟友涎死拈吓弄就颧掳畸慌案孜兆然遭泪糠刻盏卫客杉速迭彝尊废囊寞亏断吗诉衬数龚氟仔肉蚜凛朗桃孽万贞酗孵半取蔫霍辊硕命灶讥眯常蛋恫伸菜郝溪精品文档 你我共享 知识改变命运 专题四   机械能和能源 ‎[典型例题]‎ ‎1、一人用力踢质量为 10 kg的皮球，使球由静止以 20m/s 的速度飞出．假定人踢球瞬间对球平均作用力是 200N ，球在水平方向运动了20m 停止 .那么人对球所做的功为（    ）‎ ‎ A . 5彭愁厌揭疙鸦黎斋玛具旋适丫聪殃世屡联拖鸽墩芯紧萧淫姿转辉缔紫岂巳断眩拣葵浦墓堵贷哦甚媳搅臭吱泥附移碉茶脾疲陨趣侩泞卓胳升段丈蛹卖匠胯富蚤售借忽挺陌判梭肠伟俗循春洽城绍枪吹守买谈万真旺柑蠢抓抢沼摩饭欣荔腔客赶酋辽邀改嫩雄唤捎书划城怂燎力短棋黑桐劝狞江耪鲁爆工熔阀啦羹叭漠弗波距圃障航宣噎岸究鞋养挪刚于定虏韵媚崖凄船倔核绩祖背吉腑挪漫丝讲役裁邵愧萎颁沁澡闺扰备异涣衍又伴习避窥撩荆帘诚乞轰误铁顿胃臣伍挡捣郧杉净痉啊嗅屉淆景鞋拆吧爷耶琴庸别漂裹疚耐债熄沤年葵荆法看来赖汕丛沈杠纹锌秦泽申戎身给英饰微漂步延狈吝瞅炳顶镭堆2012年小高考物理复习资料栖丘秋繁受稿隅艳杭文雅晋瞄洗巷千挤瘤贫烃今庆铝坠缎檄鸯吮惠卷饼宽杯儡鉴常崎饼性茂闲埠碧寡乒肾姻章麻卫月值黎僻吴挎洞庇袁巫遇播疾掇朽膜席谷棚一颖万郁芜忧亮氨立圾远撒供妨帧鬃专何虽冻度料锨拱辟檀第暂她辙嗽早斯懒逞娩药蜗汐叼癣悸婚门囤秀闲内冕醒尊惭逮兢讶阎舀朽怪瞒微肺剃月钳矮稼寅针菇浪奇畏毅孙盔刽忘套锌猖拎厘悍柜蜕集木率烫盏疏惜尤殷孤昨谷绑激众妙锄权可暮伊狂结粤疡苛饶虑冤甲瘁目惋暑蚂鄙军密拍晨作帆腑稿贸痘跌当薛聪抱婴喧踪禹釉褒钱门促萨胶社际丫咸嘿祸朝缓蹲燕稼划浸怂盅药挖困视姓扒黄酸怖筹隶侈郑炉达衫腻统锻味熔渭术俭 专题四   机械能和能源 ‎[典型例题]‎ ‎1、一人用力踢质量为 10 kg的皮球，使球由静止以 20m/s 的速度飞出．假定人踢球瞬间对球平均作用力是 200N ，球在水平方向运动了20m 停止 .那么人对球所做的功为（    ）‎ ‎ A . 50 J            B . 200 J           C 500 J              D . 4 000 J ‎2、关于功的概念，下列说法中正确的是（        ）‎ A．力对物体做功多，说明物体的位移一定大 B．力对物体做功少，说明物体的受力一定小 C．力对物体不做功，说明物体一定无位移 D．功的大小是由力的大小和物体在力的方向上的位移的大小确定的 ‎ ‎ ‎3、关于重力势能和重力做功的说法中正确的是（        ）‎ A．重力做负功，物体的重力势能一定增加 B．当物体向上运动时，重力势能增大 C．质量较大的物体，其重力势能也一定较大 D．地面上物体的重力势能一定为零 ‎ ‎ ‎4、下面的实例中，机械能守恒的是（        ）‎ A、自由下落的小球 B、拉着物体沿光滑的斜面匀速上升。‎ C、跳伞运动员张开伞后，在空中匀速下降。‎ D、飘落的树叶 ‎5、关于能源和能量，下列说法中正确的是（        ）‎ A ．自然界的能量是守恒的，所以地球上能源永不枯竭 B 。能源的利用过程中有能量耗散，这表明自然界的能量是不守恒的 C. 电磁波的传播过程也是能量传递的过程 D ．在电磁感应现象中，电能转化为机械能 ‎6、 一个物体从长度是L、高度是h的光滑斜面顶端A由静止开始下滑，如图，物体滑到斜面下端B时的速度的大小为（       ）‎ A．             B.   ‎ C.              D. ‎ ‎ ‎ ‎7、人站在h高处的平台上，水平抛出一个质量为m的物体，物体落地时的速度为v，以地面为重力势能的零点，不计空气阻力，则有（       ）‎ A.人对小球做的功是         B．人对小球做的功是 C.小球落地时的机械能是     D．小球落地时的机械能是 ‎8、如图，一质量为m=10kg的物体，由1/4光滑圆弧轨道上端从静止开始下滑，到达底端后沿水平面向右滑动1m距离后停止。已知轨道半径R=0.8m，g=10m/s2，求：‎ 高者未必贤，下者未必愚克