Module 4 Seeing the doctor重点短语：1. catch a cold 感冒2. do much exercise 经常锻炼3. be harmful to 对......有害4. such as 例如5. three times a say 一天三次6. have got/take a stomachache 胃痛7. take one’s temperature 量体温8. fast food 快餐9. in front of 在...前面10. look after 照顾，...
