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1、 chapter four reading . 翻译短语1. 一种国际语言 11. 代表2. 了解关于 12. 奇数3. 很久以前 13. 在你一生中4. 在古时候 14. 偶数5. 使更容易 15. 即刻,一刹那6. 用同样的方式 16. 十进制7. 的系统 17. 右边的图片8. 由组成 18. 电子能9. 平方根 19. 第一次10. 解决问题 20. 如此以至于 .据意写词1. the king_his property into two parts.2. an_ is a caculating machine that uses wires beads.3. edison_a lot
2、 of things in jis life.4. the usa is a_country in the world.5. the house is very large it_of 25 rooms.6. the workers must_thelength accurately.7. your_is an important part of your body. 8. it has been _colder this winter.9. read the_before using the machine.10. the truck has a_engine it can carry 5
3、tons of things .用所给的词的正确形式填空1. what did the_(india) invent first?2. our brain are_(live) computers.3. china is famous_(develop) country.4. edison was a great_(invent).5. a monder electronic_(caculate) can do many things.6. he was the _(one) to get to school today.7. most of the students are on time.
4、 oniy a small_(percent) are late.8. i find it_(amaze) that you cant swim.9. he was _(amaze) at what you said just now.10. the zero is an_(especial) important number.句子改写1. there are six rooms in this house .(同义句) the house _ _six rooms.2. she is too young to go to school.(同义句)she is_young_she cant g
5、o to school.3. the computer can do a very difficult caculation very quickly.(同义句)the computer can do a very diffcult caculation_ _ _.4. the map shows us the place of the river.(同义句)the map_the piace of the river_ _.5. it is diffcult to solve the problem(同义句)_ the problem _difficult.6. i spent 10 min
6、utes finding the address.(同义句)_ _ me 10 minutes _ the address.7. the pairs of trousers are the students.(变单数)the_ of trousers_the_.8. the woman in rea is kittys aunt .(特殊疑问句)_ _ is kittys aunt?9. the children were glad to solve the math problem.(同义句)the children were glad to_ _ the math problem.10.
7、the group of students can work alone .(同义句)the group of students can work_ _.阅读并选择正确答案in ancient times, people wrote numbers in many different ways, however, they nearly all counted in the same way-in tens.the system of numbers that nearly everyone uses today consists of the numbers from 1 to 9 and
8、0(zero).with these numbers, we can write any number from the biggest to the smallest. the indians first invented and developed the 1 to 9 system of numbers. they then invented the zero. this was a very important invention because it made it easier to write big numbers and to calculate.one of the fir
9、st calculating machines was an abacus. abacuses are so fast and accurate that people still use them today. on the abacus, the beads on the wires represent ones, tens, hundreds and thousands, starting from the bottom wire.a modern electronic calculator can add, subtract, multiply and divide. it can a
10、lso calculate percentages and square roots.computers are very powerful calculating machines. in a flash, a computer can do a calculation that you could not do in your whole lifetime.( )61. the probable reason why people count in tens is that .a. we have ten fingers b. we can write numbersc. it is th
11、e system d. it is fast to do so ( )62. what became easier after the zero was invented by the indians?a. writing small numbers and calculating.b. counting small numbers and reading.c. writing big numbers and calculating.d. counting big numbers and reading.( )63. what else can the electronic calculato
12、r do besides(除之外)?a. calculate percentage only.b. calculate square roots only.c. calculate percentage and square roots.d. nothing but add, subtract, multiply and divide.( )64. which of the followings do you think is a very powerful calculating machine?( )65. the number on the abacus in the right pic
13、ture is .a. 7,952.b. 2,597.c. 79,520.d. 25,970.短文填空 living; amazing; seconds; enough; against; given; program; instructions; following; calculator;brain _ computer some people call the brain a _ computer. is a human brain a more powerful _ than a computer? the _ story may give an answer. shakuntala
14、devi is a lady from india with an _ brain. she can calculate like lightning. in america, shakuntala and a very powerful computer were _ this problem to solve. shakuntalas brain took fifty _ to find the answer. the computer took a minute. however, before the computer could begin calculating, someone
15、had to _ it with_ , and that took many hours. no one had to program shakuntala! use your own living computer to solve the problem above. if it is not powerful_ , you will find the answer on page 59. language.翻译短语1. 安静 11. 从上到下2. 就座 12. 从左到右 3. 注意 13. 通过电话4. 害怕 14. 拿起电话5. 制造噪音 15. 接电话 6. 迟到 16. 明天见7.
16、 想出 17. 一份决定报告8. 其他的数字 18. 身份证9. 以便于 19. 乘10.读懂心思 20. 魔方 .据以写词1. the costs_ uo to ten dollars.2. its not smooth at the_of the sea.3. we must learn how to _our time well.4. nobody can find out the_between the twins.5. all the children like watching_show.6. take what you want and throw the_away.7. if
17、you dont pay enough_to what you are doing, youll probably make mistakes.8. “different” is spelt with a _f”9. keep_.the others are reading books.10. 5 pius 6_11. 用所给词的正确形式填空1. a large_(number) of students goto school by bike.2. they are living_(separate) now.3. the tv is too_(noise).please turn if of
18、f.4. we should make a final_(decide) before match.5. 4_(multiply) by 5 is twenty.6. dont_(say) it like this.7. this will be the number she_(think) just now.8. lets discuss where_(go)9. it_(be) fine tomorrow.10. they are thinking about_(have) a surprise party. .句子改写.can i help you?(同义句) _?2. please h
19、ave a seat.(同义句) please_ _.please remember what you should say and what you shouldnt say.(同义句) please remember_ _ _ and_.jim is the tallest boy in class.(同义句) jim is_ than_ _ _students inhis class.5.the shirt cost me 30 dollars.(同义句) i_30dollars_the shirt. i_the shirt_.0dollars.6. do you have any qu
20、estions?(同义句) _you_any they?7.whats the price of them?(同义句) _ _ are they? 8.twenty and twelve is thirty-two.(特殊疑问句) _is twenty and twelve?9.tim has never been late for school.(同义句) tim has never been late_ _ _ school. 11. we study hard to achieve success.(同义句) we study hard_ _ we can achieve success
21、. writing and more practice .翻译句子1. 交通事故 8. 平均身高2.怎么样 9. 平均体重3. 不用谢 10. 布行上学4. 用数据 11. 多远5. 在同一年 12.的人口6. 平均年龄 13. 多大7. 做一个调查 14. 最长的河之一 . 根据写词1. there is long _ over the river.2. we call cats babies_.3. it is cold .the_is about 04. water boils at 100_ centigrade.5. the sun_in he east and sets in th
22、e west.6. the box contains eggs. dont let it_.7. he had an_on the way home ,but he wasnt hurt.8. the_of3, 10 and 11 is 8.9. an spca_can care for animals.10. we must do a follow-up_about the goods. . 用所给的词的适当形式填空1. whats the_(long) of the chang jiang river?2. th himalayas is the_(high)mountain in the
23、 sea .3. tom is a heavy boy and he _(weight) 120kg4. the hospital was_(far) downh the road than l thought5. star fish is one of_(beautiful)things in the sea.6. thats what_(buy).7. the careless girl copied the numbers_(wrong).8. it is a_(wool) dress.9. tell us your_(decide)at once.10. this is a new b
24、ook of_(i). 句子改写1. three thousannd traffic happened.(对划线部分提问)_ _ traffic accidents happened?2 . it is 5 kilsmetres away from here.(特殊疑问句) _ _is it from here?3. the population of china is thirteen billion.(特殊疑问句)_ _ _ _ china? 4. the population of shenyang is seven millon.(同义句)_ _seven million people in shenyang. 5.kitty jumped 1.5 metres high in the race.(特殊疑问句) _ _ _kitty_in the race? 6
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