With the world changing fast, we have something new ________(deal) with all by ourselves every day.-

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• 某设计者建造一机器能在8分钟打出500只信封的地址，他希望建造另一机器以便于两者同时操作时能在2分钟内打出500只信封的地址，那么仅第二台机器在x分钟内能打出500只信封的地-数学
• 为了估计湖中有多少条鱼，先从湖中捕捉50条鱼做记号，然后放回湖里，经过一段时间，等带记号的鱼完全混入鱼群中再捕捞第二次共150条，其中有5条做了记号，求湖中鱼的条数大约-数学
• That is the only way we can imagine ________ (reduce) the overuse of water in students' bathroo
• 初二（1）班的大课间活动丰富多彩，小文与小月进行跳绳比赛．在相同时间内，小文跳了180个，小月跳了210个，已知小月每分钟比小文多跳20个，问小月、小文每分钟各跳多少个？-数学
• (2014·乌鲁木齐地区高三第一次诊断)________means that you have a positive attitude toward your abilities and life.A
• (2014·南京四校阶段调研)Misunderstandings________from lack of social communication，unless________properly，may
• Linda worked for the Minnesota Manufacturing and Mining company，________as 3M.A．knowingB．knownC．bein
• The school rule states that no child shall be，unless________by an adult，allowed out of the school du
• .I can hardly imagine so pretty girl like you ________ boxing.A．likeB．to likeC．likingD．to have liked
• 计算：（1）计算：2cos45°+（2-1）0-（12）-1（2）化简：(1a-1)÷a2-1a2+a．-数学
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• 甲、乙两班同学参加“绿化祖国”植树活动，已知乙班每小时比甲班多种2棵，甲班种60棵树所用的时间与乙班种66棵所用的时间相等，问：甲、乙两班每小时各种多少棵树？-数学
• —Sorry ________ (step) on your foot!—It doesn't matter.-高三英语
• They are said ________ (good) dancers.-高三英语
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• (2014·温州高三质检)—He admitted________in the exam.—That’s why he was not admitted________universities or
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• —We really appreciate ________ us.—My pleasure.A．you helpB．helpC．your helpingD．to help-英语
• To get an education, _________.A．working hard is very importantB．working hard is neededC．one must wo
• 已知x，y是方程组x+2y=4x-y=5的解，求代数式1+y-xx-2y÷x2-y2x2-4xy+4y2的值．-数学
• 甲乙两地相距20千米，A骑自行车从甲地到乙地，出发45分钟后，B骑摩托车也从甲地到乙地，结果两人时同时到达乙地，已知B的速度是A的速度的2.5倍，求A、B两人的速度．-数学
• 一项工程要在限期内完成，如果第一组单独做，恰好按规定日期完成，如果第二组单独做，超过规定日期4天才能完成，如果两组合做3天后剩下的工程由第二组单独做，正好在规定日期-数学
• 一工程计划运走一堆重达100吨的沙石，开工后，增加了运输车辆，使运沙石的速度比原计划提高了一倍，结果提前4小时完成任务，原计划每小时运沙石多少吨？-数学
• 11. “Do you prefer ________ rather than ________ by bus?” asked my mother.A．walking there; goingB．to
• 某单位盖一座楼房，由建筑一队施工，预计180天能盖成．为了能早日竣工，由建筑一队、二队同时施工，30天完成了工程总量的13，那么由二队单独施工需要多少天才能盖成楼房？-数学
• The poor little boy________by his heartless parents was seen begging in the street.A．abandoningB．to
• It is no use________without doing.A．to promiseB．promisingC．promiseD．to be promised-英语
• 若1a-1b=5，则分式2a+3ab-2ba-2ab-b的值为（）A．135B．-35C．35D．1-数学
• Many residents are opposed to ________ (build) the motorway. It is not a wise decision.-高三英语
• (2014·湖南省邵阳市模拟)Some of us remain________at our computer for hours every day，forgetting moving our bo
• 一项工程，甲单独做5小时完成，甲、乙合做要2小时，那么乙单独做要______小时．-数学
• 小鹏和小凯两位同学都住在离学校3.6千米的A地，他们同时出发去学校，小鹏出发走100米时，发现忘了带作业本，便立即返回，取了作业本又立即从A地去学校，结果两人同时到达了-数学
• AB两地的距离是200千米，一辆公共汽车从A地驶出2小时后，一辆小汽车也从A地出发，它的速度是公共汽车的2倍，已知小汽车比公共汽车还早30分钟到达B地，求两车的速度．-数学
• ______with so much trouble, we failed to complete the task on time.A．Face B．Facing C．Faced D．To face
• Every time he had a chance，he would talk about the great difficulty he hadin the new country．A．settl
• _________ in the mountains for a week, the two students were finally saved by the local police.A．Hav
• Throughout history，the language________by a powerful group spreads across a civilization.A．speakingB
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• 已知a、b均为正数，且1a-1b=-2a+b．则(ba)2+(ab)2=______．-数学
• The rescue team has saved more than ten people________under the collapsed buildings since the earthq
• 甲乙两人分别从距目的地6千米和10千米的两地同时出发，甲乙的速度比是3：4，结果甲比乙提前20分钟到达目的地，求甲、乙两人的速度．-数学
• Nobody but doctors or nurses and those __________ by Dr. Hu ________ to enter the patient's roo