【简答题】如图所示,一块长方体橡皮泥,质量是30克,重为 ________ N ,侧放于水平桌面上时,它与桌面的接触面积是10cm 2 ,它对桌面的压强是 ________ Pa 。若沿 ab 方向竖直向下切去一块,则剩余部分对桌面的压强 ________ (选填“变大”、“变小”或“不变”)。( g 取10N/kg)
【简答题】Read the following ad and put the Chinese into English Beach Hotel, Xiamen Rates (From April 2008 to 2013) ____________ (单人房) £ 50.00 _____________ (双人房) £ 79.50 __________ (套房) for two guests £ ...