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一個等腰三角形的周長為10cm ,腰長為xcm ,底邊長為ycm,則y與 x的函數(shù)關(guān)系式和自變量的取值范圍為(      )。
A.B.
C.D.

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下列圖形中,表示一次函數(shù)y =" mx" + n與正比例函數(shù)y = mnx(m、n為常數(shù),且mn≠0)的圖象的是 (    )

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、已知正三角形ABC的邊長為2,以BC 的中點為原點,BC所在的直線為x軸,則點A的坐標(biāo)為(       )
A.B.C.D.

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、坐標(biāo)軸上點            任何象限。

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n邊形的內(nèi)角和為              ,多邊形的外角和等于                     。

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表示函數(shù)關(guān)系的方法有          、                              。             

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若A(a1,b1) ,B(a2,b2)在平行于 x軸的直線上,則b1                           b2

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、已知點M(3,—2),將它先向左平移4個單位,再向上平移3個單位后得到N,則點N的坐標(biāo)為               

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科目: 來源: 題型:閱讀理解

完形填空 (20分)
The famous British inventor George Stephenson was born in 1781 and died in 1848. one of his _21_ important inventions was the train. He _22_his first train when he was forty-four years old. When he was experimenting with the _23_ engine on the train, he met with _24_ from the government, newspapers and the gentlemen in the country. They said that the noise and the smoke would _25_ cows, horses and sheep, that the _26_ would hurtle(炸飛) or that the hot coals from it would _27_their houses. At that time, _28_ people believed what they said.
George Stephenson _29_ the people that the train could go on small _30_, could pull carriages _31_goods and passengers and there was _32_ to them. It was a very _33_ matter for him to _34_ them believe. However, after _35_, he was able to do it; and the first train that _36_ by Stephenson himself _37_ what he had said.
The first day _38_ the people along the way _39_ the noises of the train _40_ and saw it running quickly to them, they ran back home as quickly as they could and closed their doors tightly, for they thought it a genius. They did not dare to come out until it had passed.
【小題1】
A.veryB.a(chǎn) lotC.mostD.much
【小題2】made   B. bought   C. introduced   D. did
【小題3】
A.electricalB.a(chǎn)tomicC.steamD.beautiful
【小題4】
A.successB.troublesC.peopleD.pleasure
【小題5】
A.killB.buyC.interestD.take away
【小題6】
A.smokeB.noiseC.driverD.engine
【小題7】
A.pull downB.blow awayC.set fire toD.pass
【小題8】
A.mostB.fewC.only a fewD.the rich
【小題9】
A.saidB.spokeC.toldD.warned
【小題10】 A.reads    B. rivers    C. steam    D rails
【小題11】
A.short ofB.full ofC.empty ofD.without
【小題12】
A.no great dangerB.dangerousC.a(chǎn) lot of dangerD.few danger
【小題13】
A.easyB.difficultC.pleasantD.light
【小題14】
A.getB.causeC.makeD.force
【小題15】
A.sometimesB.some timeC.a(chǎn) few timesD.sometime
【小題16】
A.was soldB.were drivenC.was pulledD.was driven
【小題17】
A.believedB.seemedC.sensedD.proved
【小題18】
A.ofB.whenC.whileD.for
【小題19】
A.caught sight ofB.listened toC.heardD.thought
【小題20】
A.nearbyB.in the distanceC.on the farD.from the distance

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、點P 到x軸的距離為3,到y(tǒng)軸的距離為2,則點P的坐標(biāo)為                                    
                      。            

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