unit3 We should learn to take care of ourselves,C Lets Practise,We should keep our body clean. we should wash our hands before eating,我们应该保持我们的身体清洁。我们应该在吃东西之前洗手,We should eat healthy food. We can eat vegetables, fish, meat and fruit,英vedtblz,我们应该吃健康的食物。我们可以吃蔬菜，鱼，肉和水果,We can swim，run，jog and walk. 我们可以游泳，跑步，慢跑和散步,We should be happy. 我们应该高兴,Lets read,Mr Lin is an 80-year-old man . 林先生是一位80岁的老人,2、年龄表示法,an 80-year-old man an 80 years old man,表示年龄的时候出现扩折号时，year不加s，没有扩折号则加s,1、Mr. 先生 ,对男子的称呼 ；Mrs. 夫人,对
