-八年级数学

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• 化简二次根式结果是（）A．-aB．-aC．aD．a-八年级数学
• （2011•临沂）计算﹣6+的结果是（）A．3﹣2B．5﹣C．5﹣D．2-八年级数学
• No matter what substance it may be, it is ________ atom.A．resulted fromB．formedC．made up ofD．made up
• Smell the flowers before you go to sleep, and you may just______ sweet dreams.A．keep up withB．put u
• Food supplies in the flood-stricken area ______. We must act immediately before there’s none left.A．
• 若2x－1的平方根是±5，则x=_________-八年级数学
• —Look out, there is a bus ahead.—Oh, dear, _________A．I am not noticing itB．I haven’t noticed itC．I
• Kathy told me that all the doors and windows _______ when she arrived this morning.A．have cleanedB．h
• （1）（2）-八年级数学
• The road ______and it will be finished by the end of next year.A．is builtB．is being builtC．has been
• 计算=___________．-八年级数学
• We _____to Sydney next Monday. What about having a party this weekend?A．have flownB．flewC．are flying
• 计算：＝▲．-八年级数学
• 函数中自变量x的取值范围是A．x≥0.B．x≥-2.C．x≥2.D．x≤-2.-八年级数学
• 函数中，自变量x的取值范围是_________-八年级数学
• I ______ this book for two weeks. I have to return it now.A．have borrowedB．have keptC．have lentD．ha
• 先化简，再求值：，其中，-九年级数学
• Peter graduated from university in 1998. He ____ in a high school ever since.A．worksB．is workingC．wo
• The 29th Olympic Games ____ in Beijing in 2008.A．will be heldB．was heldC．has been heldD．is being hel
• —How long has this bookstore been in business? —_______ 1996.A．AfterB．InC．FromD．Since-高一英语
• 计算：-九年级数学
• –My uncle will be here to attend a meeting tomorrow. --Oh, I though that he____ today.A．was comingB．
• 函数y＝＋中自变量x的取值范围是（）A．x≤2B．x＝1C．x＜2且x≠1D．x≤2且x≠1-九年级数学
• 下列计算正确的是（）A．=-2B．="0"C．(π-3.14)0=1D．=-2-九年级数学
• Tommy was planning to buy a car the next week,______ he ______ enough for a used one．A．by that time;
• The factory used 65 percent of the raw materials, the rest of which _____ saved for other purposes.
• —Why don’t we choose that road to the village?—The bridge to it ______.A．is repairedB．has repairedC
• 函数y=中自变量x的取值范围为（）A．x＞2B．x≥2C．x≤2D．x≠2-八年级数学
• -Look! Someone __________sofa. -Well,it wasn`t me.I didn`t do itA．is cleaningB．was cleaningC．has cle
• 计算：-九年级数学
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• 若有意义，则x的取值范围是-九年级数学
• —I wonder if you could go with me to the shopping mall.—Don’t disturb me. I ______ my experiment re
• （2011•成都）设，，，…，．设，则S=_____________（用含n的代数式表示，其中n为正整数）．-八年级数学
• 2的平方根是（）A．±B．C．±4D．4-八年级数学
• We all jumped with joy at the exciting news, After all, we ______forward to the chance for many year
• 计算：的值等于（）A．B．-C．D．-八年级数学
• An average of 130000 Chinese _________ abroad for studies every year over the past few years, boosti
• Mary ___ a dress when she cut her finger.A．madeB．is makingC．was makingD．makes-英语
• 比较大小：-九年级数学
• In order to find the missing child, the villagers___________ all they can in the past five hours.A．
• 25的算术平方根是A．5B．±5C．D．±-九年级数学
• 计算：-九年级数学
• My plane at 8:30 am, so I _______ home at 8:00 tomorrow morning.A．leaves; leaveB．leaves; am leavingC
• 若式子在实数范围内有意义,则x的取值范围是（）A．x＞5B．x≥5C．x≠5D．x≥0-八年级数学
• The teacher said that the sun _____ bigger than the moon.A． isB．wasC．hasD．have-高一英语
• 在实数范围内定义运算“”，其规则为：，则方程的解为-九年级数学
• When he woke up,he found himself _________in bed and ________by some children.A．laying;surroundedB．l
• 已知，则的值为（）A．B．C．D．-八年级数学