单项选择题
A. About ￡2. B. About ￡3. C. About ￡4. D. About ￡5.
A. Teach people how to reduce stress. B. Teach people where stress comes from. C. Teach people how to use stress effectively. D. Teach people how to be more productive.
A. On February 15th. B. On February 16th. C. On February 14th. D. On February 17th.