If someone has toan action or policy, they are responsible for it, and may be required to explain it

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• （1）23-1+27-(3-1)0（2）48-54÷2+(3-3)(1+13)（3）（x-3）（x+1）=5（4）xx-1+1x+1=2x2-1．-数学
• We must ________ our minds ________ a solution.[ ]A.apply;to findingB.apply;to findC.applied;for fin
• 解分式方程3xx2-1+x2-13x=2时，可设3xx2-1=y，则原方程可化为整式方程是（）A．y2+2y+1=0B．y2+2y-1=0C．y2-2y+1=0D．y2-2y-1=0-数学
• Will you________me a favour and carry this box？It’s too heavy for me.[ ]A．giveB．makeC．doD．bring-高三英语
• We tried to find a seat on the bus, but they were all_________.A．used upB．kept awayC．taken upD．given
• 解分式方程：x+2x+1-2=x+21-x．-数学
• —Do you know where the manager lives?—Yeah, but I have tothe telephone book for his address. [ ]A. s
• You can't predict everything．Often things don't as you expect．A．work outB．set outC．figure
• One way to species under' threat of extinction - whatever the cause - is to remove them to zoos
• Having heard wolves howling in the forest, Lala her walk up the path to the caves fearing that there
• When he realized the police had seen him, the man ______ the exit as quickly as possible.A．made offB
• 阅读理解题：一次数学兴趣小组的活动课上，师生有下面一段对话，请你阅读完后再解答下面问题：老师：同学们，今天我们来探索如下方程的解法：（x2-x）2-8（x2-x）+12=0．学生甲：老师，-数学
• 解方程（1）1x-2=1-x2-x（2）（x-3）2=3-x．-数学
• In order to increase their vote, they _________ another candidate a traitor to the country. [ ]A. an
• Nothing _____ after the terrible fire caused by the careless doorkeeper.[ ]A. left B. continuedC. ke
• Thank you so much. You ________ me from an embarrassing situation.[ ]A．rememberB．recoverC．rescueD．re
• The sandstorm_ for several days，which left a terrible sight across the west.A．kept offB．kept awayC．k
• -=1-九年级数学
• It took her some time to ________ from the shock. A．recoverB．hearC．learnD．receive-高一英语
• I ________ myself in my studies. In return, I gained great success.[ ]A．placedB．hadC．laidD．buried-高三
• In only 10 years, our province has been _____ into an advanced industrial province. [ ]A. transforme
• 如果1a+1b=1x，且a+b≠0，那么x=______．-数学
• The secretary is very careful and never ________ any little points.[ ]A. noticesB. deletesC. overloo
• A notice was________in order to remind the students of the changed lecture time.[ ]A．sent up B．given
• He ________ his country to the enemy and all the friends hated him.[ ]A. betrayedB. classifiedC. dis
• His disabled legs ________ him to a wheelchair all his life.[ ]A. condemnedB. fastenedC. appliedD. c
• 方程=1的解是（）-九年级数学
• A bomb ________ two buildings and caused many deaths.[ ]A．destroyedB．damagedC．harmedD．injured-高三英语
• Mrs. Black is ________ a neighbour to us. She also takes good care of our children when we are away.
• 解分式方程时，利用换元法设，把原方程变形成整式方程为[]A.B.C.D.-八年级数学
• 若关于x的方程mx+1x=8的解为x=14，则m=______．-数学
• 方程2x=3x+1的根为______．-数学
• 解方程：-九年级数学
• We ________ certain living things as birds not because they have long legs or short legs, but becaus
• —What can I do now?—________ the chance, otherwise you'll regret it.[ ]A. ArrestB. SeizeC. Catc
• You have no talent. You will never be a pianist. As a nineyearold boy, Lang Lang was badly ________.
• I found the homework was not so heavy as ______ I ______ to get in my old school.A．that; was usedB．w
• I’d like to buy a house ---modern, comfortable, and ______ in a quiet neighborhood.A．in allB．above a
• The stolen bag was finally found_____in the forest nearby with nothing left in it.A．abandonedB．adopt
• 解分式方程的基本思想是把分式方程化为______，最后要注意______．-数学
• 分式方程的解是[]A.x=-2B.x=2C.x=1D.x=1或x=2-九年级数学
• Some seemingly harmless blogs might become harmful when _____ on the Internet by millions of people.
• 解方程：-九年级数学
• 方程的解为[]A.x1=x2=2-B.x1=x2=2+C.x1=2-，x2=2+D.无解-九年级数学
• 对于非零的两个实数a、b，规定ab=，若，则x的值为[]A.B.C.D.-九年级数学
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• Our team ________ their team in the match, that is, our team ________ the match.[ ]A．won; wonB．defea
• David ________ from the analysis of the traffic accident that it had been caused by human error.[ ]A