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I'm sorry you ______ so long, but it' ll still be some time before Jim gets back.A.waitB.w
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Another five volunteers to take care of the homeless children this week.A.will selectB.have selected
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-Why didn’t you give me a call last night?-Well, I couldn’t. My phone _____________.A.was being repa
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A good film producer must make sure that his films ____ fit into the needs of the changing market.A.
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----- You seem in low spirits. Anything wrong?----- I ______ in the important exam. I let my parents
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---- The battery in my cell phone is running low. ---- I _____ that last night before we went to bed
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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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---I beg your pardon! ---Oh, youto me carefully. (just now)A.didn’tB.haven’t listenedC.don’t listenD
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若,则m的取值范围是。-九年级数学
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.若的整数部分是a,小数部分是b,则。-九年级数学
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He asked me how much ________ on the mountain bike.A.did I payB.I had spentC.did I spendD.I had cost
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如果为实数,那么一定为【】A.B.C.0D.以上均不对-八年级数学
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—What’s that noise, John?—Oh, don’t you know that the school library ?A.is rebuiltB.is being rebuilt
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要使二次根式有意义,则必须满足的条件是()A.≥1B.>-1C.≥-1D.>1-九年级数学
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--The window is dirty.----I know. It ______ for weeks.A.hasn’t cleanedB.didn’t cleanC.wasn’t cleaned
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The new dictionaries are very useful. They _______ well and _______ already. A.sell; have been sold
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With more forests being destroyed in that area, huge quantities of land _______ deserts each year.A.
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--Mom, can we move into our new house this weekend? ---No, it _________.A.is paintedB.is paintingC.w
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—Could you tell me how your father usually goes to work?—Yes. If it is fine, he ________ to his offi
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I called Hannah many times yesterday evening, but I couldn't get through. Her brother ______ on
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Mary is absent from school today because he __ a cold.A.catchesB.had caughtC.has caughtD.will catch-
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Traffic conditions in Beijing ________ for decades. At first people only complained about jams durin
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Had it been possible, I would have gone to attend Monica in the hospital, but Ifully occupied last m
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若,则。-九年级数学
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What shall human beings do if oilsometime in the future?A.will run outB.runs out of C.runs outD.will
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The girl told me that she ___ beaten and she___telephone the police. A.was; wouldB.has been; willC.h
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Our food supply _____. We’d better get some in case there’s ____ left.A.is running out, noneB.has ru
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Had you taken the doctor’s advice yesterday, you ____ all right now.A.areB.wereC.would beD.would hav
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China _______ rapid progress in space technology in the last 10 years.A.madeB.has madeC.had madeD.we
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(本题满分8分)先将化简,然后选取一个你喜欢的a的值,代入求值.-九年级数学
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已知+5的小数部分为A,11-的小数部分为B,求(1)A+B的值;(2)A-B的值。-八年级数学
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计算:。-八年级数学
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若m是的小数部分,则m的值是.-八年级数学
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.-----Tommy is planning to buy a car.----I know .By next month, he______ enough for a used one.A. sa
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Either the ways or the time ____ yet, but you may ask the headmaster for some information.A.isn’t de
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Since last year I____ him only once.A. have seenB.have been seeingC.seeD.was seeing-英语
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---Did you ask Sophia for help?---I ______ need to – I managed perfectly well on my own.A.wouldn’tB.
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The headmaster ________for more than two weeks.A.has leftB.has goneC.has been awayD.has come back-高三
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I _____ all the cooking for my family, but recently I’ve been too busy to do it.A.will doB.am doingC
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Don’t call me tomorrow evening, for I ____________to a lecture on how to keep a good state of mind w
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(2011年青海,2,4分)分解因式:-x3+2x2-x=;计算:=.-八年级数学
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当x=时,二次根式取最小值,其最小值为。-九年级数学
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计算(1)(2)(精确到0.01)-八年级数学
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计算.(25′)(1)(2)(3)-九年级数学
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的最小值为-九年级数学
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已知实数x,y满足,则3x2-2y2+3x-3y-2012=-九年级数学
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.Mr Smith was __________to hear the _______news that he won the first prize.A.astonishing ,astonishe
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--- How many concerts ____ up to now?--- About 25. Last night we ____ our biggest one.A.did you play
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计算:()0+()-1--|-1|-八年级数学
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附加题.(1)计算:55+25=______;(2)已知方程:x2-1=0,则x=______.-数学
题目简介
计算:①②-八年级数学
题目详情
答案
②