Unit 12 Mainly revision 一、教学目标与要求“”通过本单元教学，学生应能熟练地运用 如何表达自己的看法和征求对方意见 的常用语；能用 80 ～ 100“”个词概述 冬眠 ；并学习一些相关介词的用法
二、教学重点与难点1 ．重点词汇keep up, more than, lie in, large quantities of 2 ．重点句型1)Then it has no choice but to lie down and sleep ．2)The second is connected with the main use the body makes of food ---- to supply the energy for movement ．3 ．语法 总结介词的用法： for, at, in, on, through, 等
4 ．日常交际用语 ( 提建议 Making suggestions)1)You'd better(not)… 2)You should/ought to… 3)You need(to)…/You could… 4)I suggest you… 5)Shall we…
/Let's…三、难点讲解1 ． They lead an active life which keeps up their nomal body temperature even in very cold winter weather ．keep up 保持，继续，持续
例如：1)The rain kept up for two days and the roads were flooded ．雨持续了两天，路都被水淹了
2)The good news keeps our spirits up ．好消息使我们精神十足
2 ． Then i
