尿的形成是连续的，尿的排出是间断的（判断对错）

建筑物的“整体平移”就是将大楼托换到一个托架上，这个托架下部有滚轴，滚轴下部有轨道，然后将建筑物与地基切断，这样建筑物就形成了一个可移动体，然后用牵引设备将其移动到固定的新基础上。

（1）某次平移过程中，机械用4×10⁶N的拉力拉动别墅缓慢平移了50m，机械对别墅做了多少功?
（2）这幢别墅质量达1×10⁷kg，而地面能承受的最大压强不能超过5×10⁵p_a，为防止房屋下陷，支承面至少要多大面积?（支承面的质量忽略不计，g＝10N／kg）

厦门是十一届三中全会以来中国最早建立的四个经济特区之一，拥有“联合国人居奖”、“国际花园城市”等许多特殊荣誉。在近代史上，该地最早被开放为通商口岸是根据（  ）

    What's this? It's letter(字母)P. What colour is it? It's green. What's this and what colour is it? It's letter E. It's brown. What's this letter? It's letter N. It's red. P—E—N. Is it“pen”? Yes, it is.

    I have a blue pen in my pencil case(铅笔盒). My pencil case is orange. This is my book. It's my Chinese book. It's in my bag. My bag is black. Look! The bag is on the chair. The chair is yellow. It's my chair. It's nice. I like it.