计算：_▲_；-九年级数学

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• -九年级数学
• 的算术平方根是()A．6B．±6C．D．±-八年级数学
• 函数中，自变量x的取值范围是A．x≥﹣1B．x≥1C．x≤﹣1D．x≤1-九年级数学
• .设a为的小数部分，b为的小数部分.则的值为().A．+-1B．-+1C．--1D．++1-八年级数学
• The interviewer will begin to judge you as soon as he or she ________ you in the waiting room.A．sees
• Mr. Blake ____ Shanghai in a few days. Do you know when the earliest plane ____ on Sunday?A．is leavi
• 如图，数轴上与1，对应的点分别为A，B，点B关于点A的对称点为C，设点C表示的数为x，则化简︱x一︱+的结果是A．B．2C．3D．2-八年级数学
• -九年级数学
• 使有意义的的取值范围是(▲)．A．B．C．D．-九年级数学
• —Have you worked here since you graduated?—No, I ____________at a factory in Beijing for six years.A
• —I wonder if you could go with me to the supermarket.—Sorry. I _______ my experiment report all the
• The decorations were so lovely that they _____ in a short time. A．sold outB．has been sold outC．were
• —What’s the noise outside?—Some children_____ hide-and-seek in the yard. A．were playingB．are playing
• We first met on a train in 2000. We both felt immediately that we___each other for years.A．knewB．hav
• 已知,则=________。-九年级数学
• --- What do you think of this novel? --- Er … sorry. I _____. What did you say?A．didn’t listenB．hadn
• 若,则等于()A．B．C．D．-九年级数学
• 计算—的结果是A．6B．C．2D．-八年级数学
• 设，则代数式的值为().A．-6B．24C．D．-八年级数学
• 的值等于(▲)．A．3B．C．D．-九年级数学
• —Listen, Lily is playing the piano! —Wow, how sweet the music ______!A．is heardB．hearsC．is soundingD
• -- Why didn’t you come to attend our party last night ? --- Sorry, Ｉ__________ an interesting progra
• 2．Great changes ______ in China in the past 20 years.A．took placeB．have taken placeC．were taken plac
• “Does anybody know the definition of Nerd?”the host seated in the front.A．askedB．askingC．askD．to ask
• He ______ busy yesterday, or he ______ you with your experiment.A．was; had helpedB．was, would have h
• –The food here is nice enough. --My friend ______ me a right place. A．introducesB．introducedC．had in
• 已知是正整数，则实数尥的最大值为A．12B．11C．8D．3-八年级数学
• -----Is this the first time youQuanzhou? -----No. But the first time Ihere, the city wasn’t so beaut
• After months of voyage, Columbus arrived in what laterto be a new continent.A．had been provedB．was p
• 如图，若正方形ABCO的各顶点的坐标为把正方形沿OP对折，使点A落在对角线OB上的E处，折痕交AB于P,试求△EPO的面积。-九年级数学
• 如果=a+b（a，b为有理数），那么a+b等于()A．2B．3C．8D．10-八年级数学
• 使有意义的的取值范围是-八年级数学
• 31.By the time we _____the airport, the plane_____.A．arrived at; had taken offB．had got to; took off
• . The young man，who by then admission to university，decided to do some part-time jobs to gain more p
• I have to walk to school today because my bike _____now.A．is being repairedB． has been repairedC．is
• 使意义的x的取值范围是___________．-八年级数学
• Every passenger boarding the Titanicfilled with confidence that the ship was unsinkable.A．wasB．had b
• Since the film “Life of Pi” was on, it _________ more and more people around the world.A．attractedB．
• Wejudge others around us easily, but have we ever tried to figure out our own personality?A．used toB
• 化简：。-八年级数学
• She told me that she would not go with us if it ____ the next day.A．was rainingB．rainsC．rainedD．had
• ----My car broke down yesterday on the way to the Yue Lu mountain. ----I am sorry to hear that, but
• 一个三角形的三边长分别为厘米、厘米、厘米，求三角乡的周长和面积。-九年级数学
• -九年级数学
• — How long have you been in this office?— Just a few minutes．My cousins _______ here together with m
• Even though shemuch, the woman multimillionaire insists on working as a street cleanser to set her c
• —Is there any possible way to help them get rid of such a bad habit?—To tell the truth, it’s very ha
• 一个直角三角形的两条直角边长分别为cm与cm,则这个直角三角形的面积为__________,-八年级数学
• 比较大小，在横线上填上“＞、=、＜”：；|3.14|π；．-八年级数学
• 估计的值在（）1到2之间（B）2到3之间3到4之间（D）4到5之间-八年级数学