Unit 22 Bees
教学目标
一、教学目标与要求
通过本单元教学,学生应能熟练地运用表示“禁止和警告”的常用语;复习定语从句和
同位语从句;了解蜜蜂的习性,培养学生对科学研究的兴趣。
二、教学重点与难点
1.重点词汇
one after another, to his astonishment,
come up, come to light
2.重点句型
1)Among the different types of bee,
it is the honey bee that has most interested
scientists because of the“language” they
use to communicate with each other.
2)To answer this question, Von Frisch
and his co-workers set up a feeding place
close to the hive.
3) Back at the hive they watched the
wagging dance closely.
3.语法 定语从句和同位语从句
1)I still remember the time when I joined
the army.
2)The pen which you are using is mine.
3)There is on doubt that this is the
only way out.
4) I have no idea whether I will leave
or not.
3.日常交际口语
1)You can't/ mustn't 2)Look out! 3)Be
careful! 4)You'd better not do… 5) Don't…