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下列式子运算正确的是[]A.B.C.D.-九年级数学
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计算:=().-九年级数学
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下列运算正确的是[]A.3a3×2a2=6a6B.4a2÷2a2=2aC.3=2D.-九年级数学
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Ladies and gentlemen, please fasten your seat belts. The plane _____.A.takes offB.has taken offC.too
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Great as Newton was, many of his ideas _______ today and are being modified by the work of scientist
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. I’ve won a holiday for two days to Florida. I _______ my mum.A.have takenB.am takingC.takeD.will h
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Fan Bingbing is easy to recognize as she’s the only one of the women who________ thebright evening d
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The house could fall down soon if no one some quick repair work.A.has doneB.is doingC.doesD.had done
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We would have avoided that terrible accident, Jack, the driver, too much that night.A.but; had drank
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计算:.-八年级数学
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化简:=()-九年级数学
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(1)计算:+;(2)已知a=,求()÷a的值;(3)解方程:x2﹣4x+1=0;(4)解方程:(x﹣1)2﹣3(x﹣1)=0.-九年级数学
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若x=3y,则的值为()-九年级数学
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If he _______, don’t interrupt him.A.still worksB.is still working C.still had been workingD.will st
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计算:﹣+2-九年级数学
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--Bob, How is your project? I heard you started it last Friday, right? ---Oh, I ____for it. But I ha
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The old woman who in the deserted house alone for ten years has been settled in a nursing home now.A
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计算:.-九年级数学
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计算的结果是[]A.6B.C.2D.-九年级数学
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-八年级数学
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下列运算正确的是[]A.B.C.D.-九年级数学
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计算:﹣=_________.-九年级数学
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(1)计算:(2);(3)解方程:x2+4x﹣1=0(4)x2+3=3(x+1).-九年级数学
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The last few years ________ many natural disasters around the world, from drought to earthquake.A.s
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Mary is the only one of the teachers who_____a little Chinese because she is one of my friends who__
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化简:-九年级数学
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计算:=().-九年级数学
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Shirley _____ a book about China last year, but I don't know whether she has finished it.A.has
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计算:4﹣3=().-九年级数学
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计算:﹣+2.-九年级数学
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Why don’t you put the meat in the fridge? It will ________ fresh for several days. A.be stayedB.stay
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(1)++;(2)。-八年级数学
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(1)计算:(2)解方程:(x﹣3)2+2x(x﹣3)=0.-九年级数学
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--- Are you a teacher? --- I , but now I am working in a company.A.isB.amC.wasD.had-高三英语
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计算:-九年级数学
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_________ where the sound lab _________?A.Has it decided; will builtB.Is it decided; it builtC.Has i
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计算:(1);(2);(3)。-八年级数学
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—I’m going to the United States.—How long ______ you ______ in the United States?A.are; stayedB.are;
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— My colleague felt quite happy because his solution was closer now to ______.— Congratulations!A.ha
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计算或化简:(1)3(2)(3)()2(4)()(2)(5)(6)-八年级数学
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计算:(1)(2).-九年级数学
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计算:-八年级数学
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As we stood on the top of the hill, we could see the beautiful scene that _______ before us.A.had sp
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.-九年级数学
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