Integrated skills
学习目标:
1. To get information by reading.
2. To get information from the listening materials
学习重难点: 
1. To complete an article with the information
  2. To make communications with the related topics
                      课前导学
预习p75-76,翻译下列词组:
1.多久一次                   2.多长时间
3.不到一小时                 4.二个多小时
5.需要多锻炼                 6.看一看菜单   
7.如何保持健康               8.苹果汁味道不错
                     课堂活动
Step 1 Presentation
Today we are going to talk about how healthy you are and how t