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计算:(1)28-1212+613(2)(3-2)2+(5-3)(5+3).-数学
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计算:aab-2a3b+3abab34(a>0).-数学
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________ by the growing interest in nature,more and more people enjoy outdoor sports.A.InfluencedB.I
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You’d better have your bike ________, or it’ll get you into trouble.A.repairB.to repairC.repairingD.
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---When will the plane leave? ---It ________ very soon.A.leavesB.is leavingC.has leftD.had left-高一英语
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When _____ the letter, tears came to her eyes.A.she was readingB.readingC.she readingD.read-高二英语
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— He said, “ Light travels much faster than sound.”— He said that light _______ much faster than sou
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若︱a-5︱+=0,则a-b的立方根是________-八年级数学
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Mary said that she ___________ London.A.has never gone toB.has never been ,toC.had never been toD.ha
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Had the weather been good, the children ____ out for a walk.A.had goneB.could have goneC.would goD.w
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计算:43-20+5-27.-数学
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计算2+8+18=______.-数学
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计算:46-412+38.-数学
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---- Did you watch the football match yesterday? ---- Yes, I did. You know, my brother ______ in the
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—What are you doing under the table? —I _____ to find my watch. A.tried B.try C.am trying D.have tr
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I know a little bit about Italy as my parents and Ithere several years ago.A.are goingB.had beenC.we
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—What did he say?—I don’t know what________.A.did he sayB.he saysC.he has saidD.he said-高一英语
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---- Ann is in hospital.---- Oh, really? I ______ know. I ______ go and visit her.A.didn’t; am going
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计算:12-3的结果是()A.3B.3C.33D.9-数学
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先化简,再求值:9a+16a-2254a,其中a=214.-数学
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化简16x18x-x212x,得()A.x3x-x2xB.x2x-22xC.2x2xD.0-数学
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(1)计算:348-913+312(2)解方程:(2x-1)2=x2+2x+1.-数学
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Where _______ for the past few years?A.are youB.have you beenC.have you goneD.did you go-高一英语
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________ we ________ much longer, we might not even have had the spot on the rooftop.A.Should; hesi
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---Our familyto Taiwan Island this coming holiday.---Have a great time!A.have traveledB.went traveli
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—The dinner was delicious! —I agree. I am so full. —That's too bad. But some dessert ________.A
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The chief editor demanded that the article immediately.A.submittedB.was submittedC.submitsD.be subm
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计算:412-8=______.-数学
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I was out of town at that time, so I don’t know exactly how it ______.A.was happeningB.happenedC.has
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的值是()A.2B.±2C.-2D.0-九年级数学
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下列计算正确的是()A.3+3=6B.16+9=4+3=7C.45-35=5D.2+2=22-数学
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----- Hi, Tracy, you look tired. ------ I ________ the living room for three hours.A.paintedB.had pa
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— Hi, Torry, can I use your computer for a while this afternoon? —Sorry. .A.It’s repairedB.It has b
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–How was your trip abroad?–Great. The only pity is that I ______to buy some gifts for my friends.A.f
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---Ring me at six tomorrow morning, will you ?---Why that early ? I _____then.A.have sleptB.have bee
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—Tomorrow ___ my birthday, I’d like you and Jane to come. -- I’m not sure if she ____ free.A.will be
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Because the shop_____, all the T-shirts are sold at half price.A.has closed downB.closed downC.is cl
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---Good evening. I _______ to see Miss Mary.---Oh, good evening. I’m sorry, but she is not in.A.came
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Tsinghua University, ______ in 1911, is home a great number of outstanding figures.A.foundB.founding
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计算:|-22|-12-8+313-数学
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的绝对值是().A.2B.-2C.-4D.4-八年级数学
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化简:439a-8a16+4a1a;并将自己所喜欢的a值代入化简结果进行计算.-数学
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计算下列各式:(1)33+2-(22+23);(2)化简:524x-6x9+2x1x,并将自己所喜欢的x值代入化简结果进行计算.-数学
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He said that his car __________ stolen and he ________ have to telephone the police.A.was; wouldB.h
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Our friendship _____ quickly over the weeks that followed.A.had developed B.was developingC.would d
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—Have you heard about that fire in the market?— Yes, fortunately no one _____.A.hurt B.was hurt C.ha
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Don’t disturb me. I ______ letters all the morning and have written ten so far.A.writeB.was writingC
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The general demanded that the soldiers at the village before 5 p.m. to rescue the victims of the ea
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-----It is long since we met last. Haven’t you graduated from college yet? ----- _____. I ____ Engli
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Measures have been taken to prevent the accidents, but much _____ for more improvement.A.remains to
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计算:212+8+27-3-数学
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