【简答题】An acrobatic(杂技的) performed a tightrope(绷紧的钢丝) walk between two mountains, which attracted thousands of people. When the ____ started, he went to one end of the tightrope, ____ straight at the ...
【简答题】某黄金珠宝商店,今年4月份以前,每天的进货量与销售量均为1000克,进入4月份后,每天的进货量保持不变,因国际金价大跌走熊,市场需求量不断增加.如图是4月前后一段时期库存量 (克)与销售时间 (月份)之间的函数图象. (4月份以30天计算) 商品名称 金 额 A B 投资金额x(万元) x 5 x 1 5 销售收入y(万元) y 1 =kx (k≠0) 3 y 2 =ax 2 +bx(a≠0) 2...
【简答题】Everyone has got two personalities(个性)—the one that is shown to the world and the other is hidden and real. You don’t show your hidden personality when you are awake because you are clear what to do a...