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设[x]表示最接近x的整数(x≠n+0.5,n为整数),则[]A.131B.146C.161D.666-九年级数学
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Wethe top of the mountain but for this awful weather.It rained all day.A.will reachB.would reachC.ha
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三角形三边长分别是㎝、㎝、㎝,则它的周长是()。-八年级数学
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---Do you like the new pen? ---Yes, it_____ smoothly.A.is writtenB.is writingC.writesD.wrote-高二英语
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—Alice, why aren’t you at work today?—Ia day off.A.have givenB.have been givenC.gaveD.was given-高三英语
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—Are you still very busy?—Yes,I ______ the report for the manager and it won’t take long.A.have just
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We could have done something meaningful in the time it ________ to watch that boring movie.A.has tak
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Getting to the cinema, quite out of breath, we found the filmfor ten minutes. A.having been onB.had
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Professor Wang ________in our school till next Sunday.A.will have stayedB.has stayedC.is stayingD.st
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-八年级数学
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—Happy Birthday, Ken! Did you invite Jason?—Yes, but he _____ a meeting in New York otherwise he wou
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--why don’t we choose that read to save time? --The bridge to it ________.A.has repairedB.is repaire
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Mr. Chapman retired at 70 after henearly 40 years with the Gas Company.A.had spentB.has spentC.spend
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Dad had to cycle to work this morning because his car _______ at the garage.A.was repairedB.was repa
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讨论+保留三个有效数的近似值是()-九年级数学
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Shanghai, China’s biggest and the most dynamic city, which______ in the Yangtze River Delta, is play
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计算:=()-八年级数学
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Does everyone know what to do if a fire ______?A.is broken upB.breaks upC.is broken outD.breaks out-
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“Come on. I want to show you something.” “Oh, how nice of you! I ____ you ____ to bring me a gift.”A
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如果+有意义,那么代数式|x-1|+的值为[]A.±8B.8C.与x的值无关D.无法确定-八年级数学
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Must I get through the business in one evening? No, you ________.A.mustn’tB.haven’tC.needn’t toD.don
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如图,实数a、b在数轴上的位置,化简。-八年级数学
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计算:=()。-八年级数学
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Once e-mail learners _______ with the basic knowledge of how to use the network, they ______ to a lo
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计算:=()。-九年级数学
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Quantities of water ________for cooling in the only one of the factories that ________steel.A.has be
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The plan _____ by the Chinese government ____ rejuvenating the nation by relying on science.A.put fo
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It is well known to us all that a lot of rivers _______by factories.A.are pollutingB.have been pollu
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—The battery in my cell phone is running low.—I that last night before we went to bed.A.was noticing
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计算:-八年级数学
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That Was the first time shealone at home during the weekends,bored to death.A.has leftB.has been lef
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---What were you doing when Tom came to see you?---I had just put on my overcoat and_____ to visit m
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Selecting a mobile phone for personal use is no easy task because technology ____ so rapidly.A.is ch
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–Excuse me, sir, didn’t you see the red light?–Sorry, my mind ________ somewhere else.A.has been wan
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We _______ in the office.A.are not permitted smokeB.are not permitted smokingC.don’t permit smokingD
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If you’d written earlier, I’d have known when youto go on holiday.A.wantB.have wantedC.wantedD.will
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(1)(2)(3)(4)-八年级数学
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Thank you for your timely help; otherwise we _______ in great trouble now.A.areB.would have beenC.wo
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I have to draw some money from the bank before our money ______.A.runs out ofB.is run outC.runs outD
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“If I ________ taking drugs, I would be a successful businessman now,” said the dying drug addict. A
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E-mail, as well as telephone, ________ an important part in daily communicationA.is playingB.have pl
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计算:()-九年级数学
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化简可得[]A.-2B.C.2D.-八年级数学
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You look frozen.Sit down by the fire and Iyou some hot tea.A.makeB.was makingC.madeD.will make-高三英语
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The thief was brought in, his hands ____________ behind his back.A.had been tiedB.tiedC.being tiedD.
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Please don’t phone him between 1 and 3 p.m. tomorrow. He _____ a lecture then.A.has deliveredB.has b
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The stone on the river bank rolled under her feet; she was _____into the river,and she called out fo
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(1)(2)-八年级数学
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-Have you ever seen Peter recently? --Yes. He__________ me to ask you how you___________ along with
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--We ________ that you would fix the TV set for us.--I’m sorry, but I was too busy, so I ________.A.
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计算:=()。-七年级数学
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