Unit 2 How often do you exercise?Period 1 (1a-2c)学习内容:1a 复习动词短语并学习 help with housework,1b-1c 复习频率副词,学习 hardly ever, 2a-2b 学习“How often do you…?”及其答语。Learning aims:Words and phrases:housework; hardly ever; once; twice; Internet; program.Target language:what do you...