Unit 2 Working the land一、语言要点I单元要点预览（旨在让同学整体了解本单元要点）词汇部分词语辨析1. expand / extend / spread / stretch 2. occupation / job / work / employment / career / profession词形变化1. hunger n.u 饥饿；欲望hungry adj. 饥饿的2. expand v.使变大；伸展expansion n.u,c扩大；扩展3. satisfy vt. 使某人满意达到要求；满足需要satisfied adj. 对表示满意satisfactory/sarisfying adj. 令人满意的satisfaction n. 满意4. free adj.&adv.自由的(地)免费的(地) vt. 解放 freedom n.自由5. equip vt.&vi. 配备；装备equipment n.u 装备；设备6.
