U n i t 4
W o r d s-2
Learning Aims：1、 Have a main idea of the new words and phrases. 2、 Try to master the usage of these key words.教学目标：To improve the students’ ability of using language.教学难点： go up ,on behalf of, keep on, contribution circumstance 等词正确使用。预见性困难：the usage and the memorizing of the words
Friends are like four-leaf clovers.Hard to find, and lucky to have!朋友就像四叶草。寻找不易，能拥有就是幸运！