2014-2015学年高中英语（湖北）同步
教案（1）：unit 5 first aid（人教新课标必修5）
高二英语 book 5 unit 5 单词导
学案（一）
try to translate the following sentences and phrases in groups, paying attention to the words or phrases underlined and then speak them out to memorize them.
1.the skin is an essential part of your body and its largest organ..
essential adj.
⑴hard work is essential to success.
be essential for/to…
