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有一块三角形钢板,测得其边长分别为则该钢板的周长为()cm。-九年级数学
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化简:()。-九年级数学
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下列各式计算正确的是[]A、B、C、D、-九年级数学
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—That must have been a long trip.—Yeah, it us a whole week to get there.A.takesB.has takenC.tookD.wa
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计算:(1);(2)。-八年级数学
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Either the driver killed in the car or the lucky passenger questioned by the police ______ them very
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化简:。-九年级数学
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That piece of music sounds quite familiar. Who _____ the piano upstairs?A. has playedB. playedC. pla
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–What do you think of the bottled water?--I don’t like it at all. It is reported that much nutritio
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If David his legs in the last training, he would join in the coming World Cup, which he has been lon
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—Why, Jack! Someone seems to have called you over there.—Yes? I _______ that.A.am not realizingB.h
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Don’t get that ink on the shirt, for it _____. A.doesn’t wash out B.won’t be washing out C.isn’t wa
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计算:。-九年级数学
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计算:(1);(2)。-八年级数学
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化简的结果是()。-九年级数学
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Experience of this kind in both the U.S. and Europe well before the Second World War.A.have conducte
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—Pity you missed the lecture on nuclear pollution.—I____ it, but I was busy preparing for a job inte
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Cindy , who went to university last month, spent 1000yuan more than she___for livingexpenses. A will
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— You look tired.— Yes. I ___ non-stop until 8 o’clock this morning.A.had workedB.workC.have workedD
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She ____ her husband three years ago, and soon ____ a man with a lot of money.A.divorced; marriedB.d
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-----What is the noise?-----Oh, I forgot to tell you. The new machine _________.A.was testedB.will b
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下列各式计算正确的是[]A.10a6÷5a2=2a4B.C.2(a2)3=6a6D.(a-2)2=a2-4-九年级数学
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下列计算正确的是[]A.=-3B.()2=3C.=±3D.-九年级数学
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计算=()。-九年级数学
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利用计算器探索:已知按一定规律排列的一组数:1,,,,……,,,如果从中选出若干个数,使他们的和大于3,那么至少要选()个数。-九年级数学
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—The movie Till Death Do Us Part 《最爱》will be on at 8 pm.What about picking you up at 7pm?—All right.
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计算:()。-九年级数学
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Last month, the Japanese government expressed their thanks for the air they_______ from China.A.rece
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计算:。-九年级数学
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若a、b为有理数,且,则a·b=()。-九年级数学
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下列计算正确的是[]A、+=B、2+=2C、3+2=5D、-九年级数学
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After a fire broke out in the workshop, a lot of equipment ____.A.is damagedB.had damaged C.was dama
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Hello! I ________ you _______ in London. How long have you been here?A.don’t know, wereB.hadn’t know
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时钟上的分针匀速旋转一周需要60分,那么经过10分钟分针旋转了();三角形的三边长分别为,,,,则这个三角形的周长为();下图可以看作是一个等腰直角三角形旋转若干次而生成-九年级数学
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It was the third time that I _______of the changes of the timetable.A.had informedB.has informedC.ha
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计算2-3-+的结果是[]A.B.C.D.-九年级数学
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-Have you moved into the new house?-Not yet. The rooms .A.are paintedB.are paintingC.are being paint
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计算:=()。-九年级数学
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计算:=()。-九年级数学
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下列计算中正确的是[]A.B.C.D.-九年级数学
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Some of the wolves there _________ their fur. A.are hunting B.are hunting for C.are hunted forD.hunt
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In the near future more advances in the robot technology ______ by scientists.A are making B in made
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It is the most instructive lecture that ________since I came to this school.A attended B had attende
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In 1492, Columbus_______ on one of the Bahama Islands, but he mistook it for an island of India.A la
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计算:(-1)2009-+=()。-八年级数学
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There is no light in the room. They must have gone to the lecture.__________?A.didn’t theyB.haven’t
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Once fighting_____ between the two villages and many people were killed.A.broke outB.was broken out
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下列计算错误的是[]A.B.C.D.-九年级数学
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计算:(1);(2)。-九年级数学
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Iguessyouwereinahurry.Look! You_______yoursweaterinsideout.A.hadwornB.woreC.arewearingD.werewearing-
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计算:=()。-九年级数学
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