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范文一：初二英语三级跳答案 初二英语实验三级跳43课
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Lesson 43
一、根据句意选择方框中词语填空，并注意使用其正确形
式。 weight， regions， sheep， planet， insect， measure
1. The blue whale is the largest animal on our 2. The ant，the fly and the bee are all
3. A stick insect can as long as 15 inches. 4. Stick insects live in hot________
5. An adult male African elephant up to eight tons. 6. There are more than people in Australia.
二、根据句意和所给的首字母补全单词。
1. Baby crocodiles feed on insects，shrimp，fish，while adult
1
ones e turtles，birds，dead animals，etc.
2. Cheetahs h other animals for food.
3. A giraffe can clean its ears w its 20-inch tongue. 4. A male blue whale g________ to about eight-two feet long.
5. Giraffes l________ on leaves，seeds and fruits of many
kinds of trees.
6. An elephant is h_______ than a bear. 三、(一)用括号
中所给单词的适当形式填空。
1. —What’s the weather like today,—It’s
_________(sun) 2. Look～How ________(wonderful) she is
dancing～
3. _________(teacher) Day is coming soon，which present
will you give to our teacher,
4. There are two Englishmen and three _______(China) in the room. 5. He is ______ (tall) than anybody else in their class. (二)用括号中所给动词的适当形式填空。
In the sea there are many islands.In the warm waters there are some little islands.
We call them “Coral Island(珊瑚岛).”
A coral island is very nice to look at. It 1. _____(look) like a ring of land with trees，grass and flower on it. If you 2.
2
______(look) at a piece of coral，you will see many holes in
it.In each of these holes live very small sea animals. These sea anlmals make the coral.
Some years ago，someone 3._______(find) that the coral can
grow. At last it grew out of the water. Now more people 4._______(study)“Coral Island”,because it 5.________(get) more interesting.
四、根据短文内容，用方框中所给的词填空，注意使用正
确形式。
cheetah， fast， run， with， be The cheetah
1._________a beautiful animal. It is yellow-brown 2._________black spots. Most 3.________live in Africa. The cheetah is the 4._________land animal on Earth. It can 5._________at 70 miles per hour.
五、根据中文意思和英文的提示词，写出语法正确、意思
通顺的句子。
1. 非洲象一般比亚洲象重。
an African elephant, an Asian elephant, usually, heavier, than _______________________________________________ 2. 蓝鲸是地球上最大的动物。
the blue whale,the largest animal,on the earth
3
_______________________________________________ 3. 猎豹是世界上所有动物中奔跑最快的动物。 the
cheetah,of,fastest,the,animal,all,in the world
_______________________________________________ 4. 竹节虫看上去就像一些植物的枝条和叶子。
stick insects,like,look, some plants,the sticks and leaves,of
_______________________________________________ 5. 鲨鱼一周内就能长出一副新牙齿。
In a week,a new set of teeth,a shark,grow,can
_______________________________________________ 6. 一头成年公象可重达八吨。
An elephant,male,adult,up to,weights,eight tons
_______________________________________________
六、从下列各题所给的A、B、C、D四个选项中选择可以
填入空白处的最佳选项。
( )1. Tian’anmen Square is one of _____squares in the world.
A.large B.larger C.largest D.the largest
( )2. —What delicious cakes～—they would taste _____
with
Butter.
A.nice B.better C.nicest D.the nicest
4
( )3. Of all the ball games，I like baseball _____. It’
s really my
favorite.
A.well B.good C.better D.best ( )4.—Tina，Mother says we can have a pet. How about a dog? —I prefer a cat. It’s _____to take care of.
A.well B.easier C.easiest D.the easiest ( )5. This year the villagers have produced_____rice_____they
did two years ago.
A.less;than B.as less;as C.fewer;than D.as few;as ( )6.—Knowledge is money. —But I think it is
_____money. A.as important as B.so important as
C.more important than D.the same as
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范文二：数学思维三级跳
数学思维三级跳-----解题后反思
山东省定陶县第一中学 崔德全 274100
摘要：解题后反思，命题的意图是什么？考核的概念、知识和能力是什么？验证结论是否正确，命题的条件的应用是否完备？求解论证过程是否判断有据，严密完善？一题多解？多题一解？不断地对问题进行观察分析、归纳类比、抽象概括，对所蕴含的数学方法、数学思想进行不断地思考并做出新的判断，体会解题带来的乐趣，享受探究带来的成就感。逐步养成学生独立思考、积极探究的习惯，并懂得如何学数学。
关键词：反思，分析、归纳、概括，提高能力
由于学生认知结构水平的限制，表现出对知识不求甚解，热衷于做大量题，但不善于解题后对题目进行反思，普遍欠缺一个提高解题能力的重要环节；也不善于纠正和找出自己的错误，缺乏解题后对解题方法、数学思维的概括，掌握知识的系统性较弱、结构性较差。一道数学题经过一番艰辛，苦思冥想解出答案后，必须认真进行如下探索：命题的意图是什么？考核的概念、知识和能力是什么？验证解题结论是否正确合理，命题所提供的条件的应用是否完备？求解论证过程是否判断有据，严密完善？本题有无其他解法--一题多解？多题一解？通过解题后改进解题过程、探讨知识联系、知识整合、探究规律等一系列思维活动，让学生的思维在解题后进行一个三级跳。为了让学生思维继续飞翔，提高解题能力，应该倡导和训练学生进行有效的解题反思。
解题反思的积极意义有如下几个方面。
（一）积极反思，查缺补漏，确保解题的合理性和正确性
解数学题，有时由于审题不确，概念不清，忽视条件，套用相近知识，考虑不周或计算出错，难免产生这样或那样的错误，即学生解数学题，不能保证一次性正确和完善。所以解题后，必须对解题过程进行回顾和评价，对结论的正确性和合理性进行验证。可是一些同学把完成作业当成是赶任务，解完题目万事大吉，头也不回，扬长而去。由此产生大量谬误，应该引起重视，加以克制，引以为戒。如1、结论荒唐，引为笑柄2、以特殊代替一般，3、臆造" 定理" ，判断无据，以日常概念代替科学概念。以上常见的错误，不胜枚举。由此可见，解题反思的积极意义及其重要性，必须引起师生在教学中的足够重视。
（二）积极反思，探求一题多解和多题一解，提高综合解题能力
数学知识有机联系纵横交错，解题思路灵活多变，解题方法途径繁多，但最终却能殊途同归。即使一次性解题合理正确，也未必能保证一次性解题就是最佳思路，最优最简捷的解法。不能解完题就此罢手，如释重负。应该进一步反思，探求一题多解，多题一解的问题，开拓思路，勾通知识，掌握规律，权衡解法优劣，在更高层次更富有创造性地去学习、摸索、总结，使自己的解题能力更胜一筹。1. 一题多解，每一种解法可能用到不同章节的知识，这样一来可以复习相关知识，掌握不同解法技巧，同时每一种解法又能解很多道题，然后比较众多解法中对这一道题哪一种最简捷，最合理？把本题的每一种解法和结论进一步推广，既可看到知识的内在联系，又能领悟知识的巧妙转化和灵活运用。善于总结，掌握规律，探求
共性，再由共性指导我们去解决碰到的这类问题，便会迎刃而解， 这对提高解题能力尤其重要。
（三）、积极反思、系统小结，使重要数学方法、公式、定理的应用规律条理化。
在问题解决之后，要不断地反思：解题过程是否浪费了重要的信息，能否开辟新的解题通道？解题过程多走了哪些思维回路，思维、运算能否变得简捷？是否拘泥于思维定势，照搬了熟悉的解法？通过这样不断地质疑、不断改进，让解题过程更具有合理性、科学性、简捷性。
（四）、重视知识的迁移和应用，探究问题所含知识的系统性
解题之后，要不断地探究问题的知识结构和系统性。能否对问题蕴含的知识进行纵向深入地探究？能否加强知识的横向联系？把问题所蕴含孤立的知识“点”，扩展到系统的知识“面。通过不断地拓展、联系、加强对知识结构的理解，进而形成认知结构中知识的系统性。”
（五）、整合知识，创新设问
要让学生明白，问题与问题之间不是孤立的，许多表面上看似无关的问题却有着內在的联系，解题不能就题论题，要寻找问题与问题之间本质的联系，要质疑为什么有这样的问题？他和哪些问题有联系？能否受这个问题的启发。将一些重要的数学思想、数学方法进行有效的整合，创造性地设问？让学生在不断的知识联系和知识整和中，丰富认知结构中的内容，体验“创造”带来的乐趣，这对培养学生的创造思维是非常有利的
（六）、探究规律，形成小结
对每个问题都要寻根问底，能否得到一般性的结果，有规律性的发现？能否形成独到的见解，有自己的小发明？点滴的发现，都能唤起学生的成就感，激发学生进一步探索问题的兴趣。长期的积累，更有利于促进学生认知结构的个性特征的形成，并增加知识的存储量。
总之，解题后引导学生不断地对问题进行观察分析、归纳类比、抽象概括，对问题中所蕴含的数学方法、数学思想进行不断地思考并做出新的判断，让学生体会解题带来的乐趣，享受探究带来的成就感。常此以往，逐步养成学生独立思考、积极探究的习惯，并懂得如何学数学，一定能达到学生思维能力的三级跳。
参考文献：
罗增儒 数学解题学引论. 西安：陕西师范大学出版社
通讯地址：山东省定陶县第一中学数学组 崔德全（收）
联系电话：13561338196
邮箱： sdcuidequan@163.com
邮编： 274100
范文三：初二英语实验三级跳46课
Lesson? 46
基础知识训练?
词汇练习
一、基础达标
根据句意选择?方框中的词语?填空，并注意使用其?正确形式。
clearl?y, fail, medica?l, begin, useful?, wish
1.Englis?h is for me not only at presen?t but also for my future?.
2.This boy is badly ill and needs care in hospit?al instea?d
of at home.
3.He spoke very and we all got his point. 4.I exam only in geogra?phy but passed? all the others?.
5.I do not know when she to feel bad. I should? take her to the hospit?al at once.
6.Do you have a to be able to use Englis?h in the future? ?
二、拓展训练
从下列各题所?给的A、B、C、D四个选项中?选择可以填入?空白处
的最佳?选项。
( )1.Mary and her team 18 months? workin?g on that diffic?
ult projec?t.
A. took B. got C. cost D. spent ( )2.Wang Kai Wuhan Univer?sity in 2006 and then worked?
as a volunt?eer in Guizho?u for tow years.
A. learne?d from B. moved to C. gradua?ted from D. worked?
on
( )3.My brothe?r and I are differ?ent from each other .We are really? opposi?tes .
A. unusua?lly B. unusua?l C. comple?tely D. comple?te
( )4.The childr?en me warmly? when I got there. A. expect?ed B. examin?ed C. greete?d D. welcom?ed
( )5.Everyt?hing was not I expect?ed when I arrive?d there. A .that B. what C. how D. where ( )6.They told me it would be cheap but it cost me over $100.
A. by the way B. so far C. in fact D. on my way
三、中考链接
从下列各题所?给的选项中选?择可以填入空?白处的最佳选?项。
( )1.It the Chines?e people? eight years to build the Three
Gorges? Dam.
How great!
A. spends? B. costs C. paid D. took ( )2.Do not try to anythi?ng from me, Mary.
I know noting? about it , mum! I was sleepi?ng at that time! A. hear B. cheat C. get D. hide ( )3.Would you like some salad?
Yes, please?. It is my favori?te. I think is more delici?ous than salad.
A. someth?ing B. anythi?ng C. nothin?g D. everyt?hing
( )4.You will fail your next exam you start to work hard at your studie?s now.
A. becaus?e B. unless? C. so D. why
( )5.My father? does not like the color of the tie becaus?e it is too .
A. dear B. short C. thin D. dark ( )6.I find time very quickl?y when I do someth?ing intere?
sting.
A. goes out B. goes by C. goes off
语法练习
一、基础达标
阅读短文，根据短文意思?选择括号中正?确的词填空。
My daught?er , Jane , never 1 (dreams?, dreame?d) of receiv?ing a letter? from girl of her own age in Hollan?d. Last year, we 2 (have travel?ed, were travel?ing) across? the Channe?l
and Jane put a piece of paper with her name and addres?s on it into a bottle?. She 3 (threw, was throwi?ng) the bottle? into the sea. She never 4 (thinks?, though?t) of it again , but ten months? later , she receiv?ed a letter? from a girl in Hollan?d. Both girls 5 (write, wrote) to each other regula?rly now . Howeve?r , they have decide?d to use the post office? . Letter?s 6
(cost, will cost) a little? more , but they will certai?nly
travel? faster?.
二、拓展训练
根据中文意思?和英文的提示?词，写出语法正确?、意思通顺的句?子。
1.那段经历一直?对我很有用。
The experi?ence, me, useful?, has, very, been, for
2.在去那里的路?上，我想象了那儿?的村庄、学校、到那儿的第一?天以及那里的?孩子。
I, the childr?en there, the villag?e, the school?, the first day, and, though?t about, my way there ,on
3.你到那里的第?一天情形是怎?样的,
Your first day, happen?ed, on, what, there
4.王凯参与“到西部去”的工作已有两?年了。
Wang Kai, the Go West progra?m, two years, work with
5.我们的数学老?师李梅花费了?很多夜晚备课?、阅卷和批改作?业。 Li Mei, our maths teache?r, many nights?, prepar?ing lesson?s, readin?g test papers?, markin?g homewo?rk, and, spent
6.他们问了我许?多问题，我向他们讲了?我的经历和在?上海的生活。
A lot of, questi?ons, asked, the storie?s, about myself?, my life in Shangh?ai ,told
三、中考链接
从下列各题所?给的选项中选?择可以填入空?白处的最佳选?项。 ( )1.A large number? of studen?ts in this school? from the countr?y. They work very hard.
A. come B. comes C. came D. coming?
( )2.Ask the police?man over there .He know the way to the Scienc?e Museum?.
A. has to B. could C. may D. need
( )3.Gone with the wind is a well –know novel. She it twice.
A. read B. is readin?g C. reads D. has read ( )4.Where is the cake I made this mornin?g ?
We it , mom. Can you make anothe?r one for us? A. ate B. eat C. will eat D. were eating?
( )5.With Xiao Ming’s help ,Zhang Lin does his homewo?rk than before?.
A. much for carefu?lly B. more carefu?lly C. much carefu?lly
( )6.You saw the film Harry Potter? last night, did not you?
Yes, I missed? the beginn?ing.
A. and B. so C. but D. then
范文四：初二英语实验三级跳47课
Lesson 47
词汇练习
一、 基础达标
根据句意选择方块中词语填空，并注意使用其正确形式。
discovery, valley, between …and, amazed, sight, prove
1. Jim has very good ______and can tell who is who even at a distance.
2. I won’t believe you until you ______what you said.
3. We were _____to find that no one was hurt after the accident.
4. Scientists have made some important new _____in this field.
5. On the way to the Jiuzhaigou, we stopped at a small village in
a______for a night.
6. The school is improving communication_________teachers
________parents and they’re working together better to educate the
students.
二、 拓展训练
从下列各题所给的A 、B 、C 、D 、四个选项中选择一个可以填入
空白处的最佳选项 。
（ ）1.Every winter is the time for young people to join
the_____in our country.
A. company B.university C.army D.
government
( ) 2. When I reached the top of the mountian, I stood there quite
a while,____the view.
A.regretting B.amazing C.admiring D.sharing
( ) 3. Our school is on the bus _____. Many different buses can
take us there.
A . road B. route C. stream D. way
( ) 4. The blackboard______sunlight in our direction so that we
didn ’t see the words on it.
A. avoided B. separated C. supplied D. reflected
( ) 5. Can anyone ______that you were not at the scene of the
accident then ?
A. prove B. protect C. realize D. provide
( ) 6. Have you ever seen a______ doll ? How huge it is!
A. ljife-like B. life-size C. warm-hearted D. sunlight
三、 中考链接
选词填空
argue provide differently between alone although
1 . Both of them are from America, but they speak
English__________.
2 . June is _________May and July.
3 . Try to join your classmates and relax after school. It’s not good
for you to stay__________here.
4 . We hope you can_________us with some information about the
2008 Olympic Games.
5 . _________my bike is old, I don ’t want to ask my parents to
buy me a new one.
6 . You ’d brtter not _________with Tim while we are having the
basketball match.
语法练习
一、 基础达标
阅读短文，根据短文意思选择括号中正确的词填空。
The secretary told me that Mr.Harmsworth would see me. I
1__________(feel felt) very nervous when I went
2__________(through into)his office. He did not look up
3__________(on from)his desk when I 4_____________
(has entered , entered) . After I had sat down, he said that
business was very bad. He told me that the firm 5 _____________________(did not afford , could not af-ford)
to pay such large salaries. Twenty people had already left. I knew
that my turn had come.
“Mr. Harmsworth,” I said 6 ___________(in at) a weak voice.
“Don ’t interrupt,” he 7____________(says said).
Then he smiled and told me I 8 _________________(receive , would receive) an extra thousand pounds a year.
二、拓展训练
根据中文意思和英文的提示词，写出语法正确、意思通顺的
句子，必要时在恰当位置添加恰当词用恰当形式表示。
1、 你对中国西部有哪些了解？
you , know , Western China ,do , what , about
____________________________________________________
2、 李楠刚刚结束两年的志愿者服务工作，回到了家里。
Li Nan, just , his, has completed, two years of,
voluntary service, home, has returned
九寨沟是世界自然奇观之一。
the natural wonders, of the world 3、
____________________________________________________
4、没有任何两张脸容貌相像，每一张脸都呈现一幅不同的表
情。
two faces , look alike , no , and , each , a different
expression , shows
5、 每年有许多外国游客参观兵马俑，来欣赏两千多年前的中
国艺术。
foreign tourists , many , the Terracotta Army , visit , the
Chinese art , to admire , every year , from 2,000 years ago
____________________________________________________
6、 有时我都想放弃了，单在经历一段不长的时间后，我终于能结交一些新朋友了。 I ，felt like , sometimes , giving up , but , I , was able , a short time , after , to make , new friends
____________________________________________________
____________________________________________________
7、 九寨沟里最令人惊叹的景色大概就是遍布山中的小湖泊。 the Jiuzhaigou Vally , the most amazing sights , in , the
small lakes , the mountains , all over , probably
__________________________________________________
__________________________________________________
三、中考链接
从下列各题所给的A B C D 四个选项中选择可以填入空白处的最佳选项
（ ）1、----Shall we go shopping now?
----Sorry , I can’t . I__________my shirts.
A wash B washes C washed D am washing
( ) 2、 ----I saw the lights on in your office at nine last night. ----Oh , I __________on the report to the boss .
A worked B am working C was working
( ) 3、 ----Has the match started ? ---Started ? Finished ! Guo
Yue__________.
A is winning B wins C will win D has won
( ) 4、----Is that Chris speaking ?
----Sorry , he isn ’t in . He _________abroad on business .
A goes B went C has gone D will go （ ） 5、----Laura enjoys___________story books . -----Me , too .
A read B reads C to read D reading
( ) 6、----Where is David ?
----I think he _________Australia .
A has gone to B has been to C has gone D has been
范文五：初二英语实验三级跳43课
Lesson 43
2. The ant，
3. A stick insect can as long as 15 inches.
4. Stick insects live in hot________
5. An adult male African elephant up to eight tons.
6. There are more than people in Australia.
二、根据句意和所给的首字母补全单词。
1. Baby crocodiles feed on insects，shrimp ，fish ，while adult ones turtles ，birds ，dead animals，etc.
2. Cheetahs h other animals for food.
3. 4. A male blue whale g________ to about eight-two feet long.
5. Giraffes l________ on leaves，seeds and fruits of many kinds of trees.
6. An elephant is h_______ than a bear.
三、（一）用括号中所给单词的适当形式填空。
1. —What ’s the weather like today？—It ’s _________(sun)
2. Look ！How ________(wonderful) she is dancing！
3. _________(teacher) Day is coming soon，which present will you give to our teacher？
4. There are two Englishmen and three _______(China) in the room.
5. He is ______ (tall) than anybody else in their class.
（二）用括号中所给动词的适当形式填空。
In the sea there are many islands.In the warm waters there are some little islands.
We call them “Coral Island（珊瑚岛）. ”
A coral island is very nice to look at. It 1. _____(look) like a ring of land with trees，grass and flower on it. If you 2. ______(look) at a piece of coral，you will see many holes in it.In each of these holes live very small sea animals. These sea anlmals make the coral.
Some years ago ，someone 3._______(find) that the coral can
grow. At last it grew out of the water. Now more people
4._______(study)“Coral Island ”,because it 5.________(get) more interesting.
四、
The is yellow-brown
2._________black spots. Most 3.________live in Africa. The cheetah is the 4._________land animal on Earth. It can 5._________at 70 miles per hour.
五、根据中文意思和英文的提示词，写出语法正确、意思通顺的句子。
1. 非洲象一般比亚洲象重。
an African elephant, an Asian elephant, usually, heavier, than _______________________________________________
2. 蓝鲸是地球上最大的动物。
the blue whale,the largest animal,on the earth
_______________________________________________
3. 猎豹是世界上所有动物中奔跑最快的动物。
the cheetah,of,fastest,the,animal,all,in the world
_______________________________________________
4. 竹节虫看上去就像一些植物的枝条和叶子。
stick insects,like,look, some plants,the sticks and leaves,of _______________________________________________
5. 鲨鱼一周内就能长出一副新牙齿。
In a week,a new set of teeth,a shark,grow,can
_______________________________________________
6. 一头成年公象可重达八吨。
An elephant,male,adult,up to,weights,eight tons
_______________________________________________
六、从下列各题所给的A 、B 、C 、D 四个选项中选择可以填入空白处的最佳选项。
（ ）1. Tian’anmen Square is one of _____squares in the world.
A.large B.larger C.largest D.the largest
（ ）2. —What delicious cakes！—they would taste _____ with
Butter.
A.nice B.better C.nicest D.the nicest
（ ）3. Of all the ball games，I like baseball _____. It’s really my
favorite.
A.well B.good C.better D.best
（ ）4. —Tina ，Mother says we can have a pet. How about a dog? —I prefer a cat. It’s _____to take care of.
A.well B.easier C.easiest D.the easiest （ ）5. This year the villagers have produced_____rice_____they
did two years ago.
A.less;than B.as less;as C.fewer;than D.as few;as （ ）6. —Knowledge is money. —But I think it is _____money.
A.as important as B.so important as
C.more important than D.the same as
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