（1-11-x）÷xx-1．-数学

更多内容推荐

• ______ up from the book, I saw his eyes _______ on me in curiosity.A．To look；fixingB．Looking；fixedC
• 计算：(a-x2a)÷(x-a2x)=______．-数学
• 已知a≠0，b≠0，1a+1b+2(a+b)a2+b2=0，那么ab的值是______．-数学
• you turn off all the lights when you leave the classroom．A．Making sureB．To make sureC．Being sureD．M
• 当a=-12，b=2时，求a-ba+b÷a2+b2a2-b2-a+bab•a2b+ab2a2+b2的值．-数学
• Mark has come in his raincoat and boots, _____ for rain.A．preparingB．preparedC．to prepareD．prepares-
• ____ with a difficult situation, Mr Smith made up his mind ____ his boss for advice.A．Facing; to ask
• I remember sometimes in a rush to grow up and be independent， but I was still very happy.A．to feel
• I wondered what great difficulty he had ________ the plan.A．to carry outB．carrying outC．carried out
• ---- What terrible weather! I simply can’t get the car __________.---- Why not try ________ the engi
• 化简：(x+xx2-1)÷(2+1x-1-1x+1)．-数学
• _____ into English, the sentence was found to have an entirely different word order.A．TranslatingB．T
• 化简（x-2x-1x）÷（1-1x）的结果是（）A．1xB．x-1C．x-1xD．xx-1-数学
• ____ such a chance, why don't you have a try ?A．To giveB．GivenC．Having givenD．Giving-高三英语
• 先化简，再求值：，其中x满足x2-x-1=0。-九年级数学
• You can use a large plastic bottle,cut off, as a pot to grow flowers in.A．the top isB．with its topC．
• ___ with the increasing unemployment, many people went on strike in most of the European countries.A
• 计算：（1x-1+1x+1）÷2x1-x．-数学
• Our school forbid __________, that is to say, we are not allowed __________at school.A．to smoke; to
• The vocabulary and grammatical differences between British and American English are so slight and fe
• --What do you think of cloning?--No doubt it’s a great invention. But ________, it may have some sid
• —— Have you considered _____ your job as a teacher?——Yes. I like the job because a teacher is often
• Microblogs experienced rapid growth in 2011 in China, with the number of microblog Operators, users
• 计算：（1）m2-3m9-m2（2）1-1x+1．-数学
• 先化简，再求值：其中x=1--八年级数学
• The glass of water is too hot. I prefer some cold _____ water. A．to boilB．having boiled C．boiledD．b
• The flood last month in the east was a real disaster, ___ 19 people dead and 78 missing.A．to leaveB．
• It’s reported that energy drinks are not allowed ___ in Australia.A．to be makingB．to be madeC．to mak
• “You can’t catch me!” Janet shouted, ____ away.A．runB．runningC．to runD．ran-高二英语
• how to work out the difficult physics problem ,he asked the teacher for help .A．Not to knowB．Not kno
• 已知3+y2-x=4，用含x的代数式来表示y，那么y=______．-数学
• When ____ where he was born, Kale said he was a Londoner.A．askingB．askedC．being askedD．was asked-高二英
• .．When I came into the classroom , I found him _______ with his study.A．occupiedB．occupyingC．to be o
• 先化简，再求值：4x2+12xx2+x-6÷(x-2x+2-x+2x-2)，其中x=-312．-数学
• 先化简再求值2a+2a-1÷(a+1)+a2-1a2-2a+1，其中a=3+1．-数学
• When first____ to the market, these products enjoyed great success.A．introducingB．introducedC．introd
• 先化简再求值x2-1x-1+x(1+1x)，其中x=2-1．-数学
• 先化简再求值：(x-x-4x-3)÷x2-4x-3，其中x=5．-数学
• The specialist at the meeting will give us a lecture next week . A．referredB．referred toC．referringD
• 先化简，再求值．（1）3-a2a-4÷(a+2-5a-2)，其中a=-4．（2）x-4x2-1÷x2-3x-4x2+2x+1+1x-1，其中x=6．-数学
• —Who is the man ______ by a group of students there?—A professor _____ research on physics.A．followe
• terrible, the milk can’t be drunk againA．SmellsB．SmelledC．SmellingD．To smell-高二英语
• 请按下列程序n→平方→+n→÷n→-n→结果，计算当n=2时，结果=______；当n=2008时，结果的平方根=______．-数学
• 先化简，再求值：，其中x=-2。-八年级数学
• 先化简，再求值：x2-1x2+2x+1，其中x=3．-数学
• 先化简，再求值：a2-b2a+(a-2ab-b2a)，其中a=3，b=2．-数学
• 先简化x-1x÷(x-2x-1x)，再任选一个适当的x值代入求值．-数学
• We can hardly him if we all work in the same school.A．to avoid meetingB．avoid to meetC．avoid meeting
• 已知1x-1y=2，求3x+7xy-3y2x-3xy-2y的值．-数学
• Exciting as its special effects are ________, there is too much violence in the film.A．to watchB．to