如果等式（x-2）x=1成立，则x只能取（）A．x=0B．x=2C．x=0或x=3D．以上答案都不对-数学

更多内容推荐

• 计算：2-1+20=______．-数学
• It goes________my principles to cheat in the exam.A．forB．againstC．aboveD．beyond-高三英语
• 计算：(32-1)0-(-12)-1=______；一种细菌半径是1.21×10-5米，用小数表示为______米．-数学
• She devoted herself ________to her research and it earned her a good reputation in her field.[ ]A. s
• There was such a long queue for coffee at the interval that we ____ gave up.A．eventuallyB．unfortunat
• The equipment for all of the disabled people ought to be _________ easy reach in public.A．beyondB．w
• The boy ________ avoided being run over by a speeding car when crossing the busy street the other da
• 计算：|-3|-4+(-2)0-(13)-1=______．-数学
• ________ cleaning the yard and making up the beds for the old, we also read newspapers for them and
• Poverty has risen in Nigeria, with almost 100 million people living on less than $1 a day，________ e
• 计算：（a-1b）-2=______．-数学
• Playing on a frozen sports field sounds like a lot of fun.Isn't it rather risky, ____? [ ]A. th
• —Which team is to win the game?—I don't know, but l've found that ours willwin.[ ]A. proba
• —I don’t like shopping.— Me______. It makes me tired. A．tooB．norC．alsoD．neither-高三英语
• Many plants could move northward and toward the Pacific coast_____ rising temperatures and changes i
• In the good care of the nurse, the boy isrecovering from his heart operation.A．quietlyB．actuallyC．pr
• 对于字母m的任何值，等式都能成立的是（）A．2m-2=2m2B．（m2+1）-2=1(m2+1)2C．（m2-1）0=1D．（m+1）-1=1m+1-数学
• 公式P=U2R-1可以改写成P=______的形式．-数学
• (2013·成都外国语月考)________， the pay isn't attractive enough, though the job itself is quite interes
• All their attempts to rescue the child from the burning building were _____, and he died soon.A．in p
• （1）计算：(3)0+27-4cos30°；（2）解方程：2x-3=1x．-数学
• 计算：|-5|+(2-1)0-38+(13)-1．-数学
• It is dangerous to allow the children who are ________ swimming in the river.A．enough old to goB．not
• ______ the incorrect operation of the driver in the emergency, the terrible December 8th accident on
• ____ most children nowadays are the only chidren, they tend to be more self-centered．A．Ever sinceB．N
• In it were photos of all the actors of our show, _____ signed by each performer.A．frequentlyB．lonely
• 若（x-12）-1无意义，则x-1=______．-数学
• 计算：（-13）-3=______．-数学
• Three of the town's factories have closed down ________ the space of a year.A．amongB．afterC．bey
• The teacher asked the students to do the experiment __________ small groups.A．toB．forC．onD．in-高一英语
• The following years are _______to see a rise in production.A．likelyB．possibleC．perhapsD．probable-高一英
• 计算=_________-七年级数学
• She claimed _____ that she would never break her words.A．meaningfullyB．firmlyC．faithfullyD．obviously
• I think it unwise to live ______ one’s income, as is the case with a lot of young people today, who
• –your daughter must be pretty.--- But to tell you the truth, she is ____being such a beauty as you c
• Allen had to call a taxi because the box was ______ to carry all the way home. A much too heavy B to
• 计算：（1）（-0.3）0=______，（2）2-2=______．-数学
• 计算：（-2）0+（13）-2=______；32004×（13）2003=______；（-12）-1=______．-数学
• They argued________the waiter________the price of the meal in the restaurant.A．with；toB．about；withC．
• Besides being able to walk on for three days without drinking, camels can also live for a long time
• When I saw my teacher nodding _______ to me, I calmed down and went on with my performance.A．encoura
• Hurry up, honey! We have to arrive at the airport by 11:00 o’clock, _____ we will miss the flight.A．
• He has been the computer for two hours, chatting with a boy from Australia.A．inB．onC．atD．by-高三英语
• There was no news;____, she didn’t give up hope.A．moreoverB．besidesC．butD．nevertheless-英语
• Nobody could believe what Chloe says because she is ______ changing her mind.A．regularlyB．steadilyC．
• 计算：3-2=______．-数学
• 如果（3y+1）-1有意义，则y______．若（x+2）0=1，则x______．-数学
• The problem of global warming is serious. _____ , the sea levels have _____a little.A．As a consequen
• The reason ____ their failure you know is _____ they didn’t get fully prepared for the experiment.A．
• 计算：327+2sin30°-（15-1）0．-数学