Linda often asked Luke to dinner. Linda loved Luke, but Luke loved Linda’s cooking, not Linda herself. Linda accepted that for the time being. But she felt that, with enough meals and enough time
in the eighth century, the city has long been a cultural, artistic and religious center. A. To found B. Founding C. Founded
（ ） , I think, and the problem could be settled. A．If you don’t doubt your efforts B．So long as you keep up your spirits C．Making great efforts
如图所示，一位母亲推着婴儿车行走，当前轮遇到障碍物时，母亲向下按扶把，若把婴儿车视为杠杆，这时杠杆的支点是_____________；当后轮遇到障碍物
微山湖是江北最大的淡水湖，有“日进斗金”的美誉，下列关于微山湖的描述中属于生态系统的是（ ）A．微山湖中的水B．微山湖中的荷花C．微山湖中
民国时期《申报》有如下记载：“梳一东洋头，披件西式衣，……宣读婚约，互换约指，才一鞠躬，即携手而归，无傧相催请跪拜起立之烦。”该现象
下列词语中，加点字的读音全都正确的一项是 （ ） A．醴酪（lào） 炮烙（páo） 岑寂（cén）
一个截面为抛物线形的旧河道,河口宽AB=4 m ,河深2 m ,现要将其截面改造为等腰梯形,要求河道深度不变,而且施工时只能挖土,不准向河道填土,试求当截面
