计算：-九年级数学

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• 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
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• 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
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• 、（2011?常州）在下列实数中，无理数是（）A．2B．0C．D．-八年级数学
• 计算：-八年级数学
• ---Where have you been recently? --- I _______ in Hangzhou on business for a week last month.A．have
• -九年级数学
• Professor James will give us a lecture on the Western culture, but when and where ____ yet.A．hasn’t
• As the years passed, many occasions—birthdays, awards, graduations—________ with Dad’s flowers.A．are
• —What were you doing when the telephone rang?—I ______ away my books and ______ to bed.A．had just pu
• （本题8分）计算：-九年级数学
• （）A．3B．C．D．9-九年级数学
• By the time you have finished this book, your meal ______ cold.A．getsB．has gotC．will getD．is getting
• 已知用含的代数式表示.甲、乙两位同学跑上讲台，板书了下面两种解法：同学甲解：同学乙解：因为，.老师看罢，提出下面的问题：（1）两位同学的解法都正确吗？为什么？（2）请你再给出-九年级数学
• 已知、为实数，且满足求的值-九年级数学
• Before us lies the biggest room, _____ with things like guns, dolls and old clothes.A．fillingB．fille
• 请你观察思考下列计算过程：因为112＝121，所以＝11；同样，因为1112＝12321，所以＝111；…由此猜想＝＿-九年级数学
• 计算的结果是（）A．2B．4C．8D．16-九年级数学
• 在实数范围内定义一种运算“＊”，其规则为a＊b＝a2－b2，根据这个规则，方程（x＋2）＊3＝0的解为-九年级数学
• Half an hour has been made full ______ of _____ the problem.A．using; studyingB．use; to studyC．to use
• 计算的结果是（）A．2B．±2C．-2D．4-九年级数学
• 计算：（本题每小题4分，满分8分）(1)求右式中x的值：4(x＋1＝64（2）-八年级数学
• 若，则的值为A．B．C．D．-九年级数学
• 4的平方根是A．B．2C．±2D．-九年级数学
• I’m not a teacher in this school．I _____ until a new teacher arrives．A．am just helping outB．could ju
• （2011?成都）4的平方根是（）A．±16B．16C．±2D．2-八年级数学
• I must be off now. My friends ________ outside.A．waitB．have waitedC．are waitingD．were waiting-高二英语
• The number of foreign students _________Chinese Universities_________ rising steadily since 1990.A．a
• - Ann is in hospital. - Oh, really? I _______ know. I _______ go and visit her.A．didn’t; am going to
• Everyone agreed to the suggestion that the machineat once.A．should be repairedB．be repairedC．must be
• -八年级数学
• -八年级数学
• 估计与最接近的整数是（）A．4B．5C．6D．7-八年级数学
• --- Why haven’t you asked Lisa to come here?--- She was writing a paper when I found her and she ___
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• —Has your former classmate come back from America?—Yes, he _____ there for 8 years.A．has stayedB．sta
• 5.The young man _______ his way towards the hutong when he saw a policeman coming.A．tookB．foundC．mad
• — Have you seen my e-mail about our TESL project?— Yes. Luckily I checked my e-mails yesterday. Norm
• 0．64的平方根是_____，的算术平方根是____，的立方根是_____。-八年级数学
• 1、2、3、-八年级数学
• 下列计算中，不正确的是A．3＋2＝5B．()-2=4C．(π－3.14)0＝1D．(－x)3·(－x)2＝x5-九年级数学
• 若在实数范围内有意义，则x的取值范围是（）A．x≥-2B．x≠-2C．x≥2D．x≠2-八年级数学
• ---Alice, you look puzzled, Have you understood it?---Yes．I _____another problem just now．A．l have t
• Mr. Wang ____ two boys to send the sick boy to the nearest hospitalA．arrangedB．has arrangedC．had arr
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• （2011?舟山）计算：．-八年级数学