Here is something about Christmas. Every year just after Christmas the January Sales start. All the shops reduce their prices for two weeks, and they are full of people looking for bargains. My hus
Please put these teaching materials in order and don’t leave them ______ a mess. A. with B. for C. on D. in
已知0＜β＜＜α＜π，且cos（α-）=，sin（-β）=，求cos（α+β）的值.
与直线平行的抛物线的切线方程是 A．2xy+3=0 B．2xy3=0 C．2
针对“电荒”局面，很多省市的有关部门采取了“错峰用电，峰谷电价”的措施，即用电低谷时降低电价，鼓励用电；用电高峰时调高电价，引导企业
当代中国最基本的国情是（ ）A．社会生产力水平还比较低，地区发展不平衡。B．社会主义初级阶段从20世纪50年代中期算起，至少需要一百年的时
Is there anything _____ I can do for you? A．which B．who C．as D．that
微信作为一种互动性更强、传播速度更快的传播方式，获得了众多手机用户和网民的青睐，很多人用微信交流信息。这一现象进一步印证了（ ）
