阅读理解。 Do you have a passion for helping others reach their nutrition, fitness and wellness goals?  If so, a career in the fitness and nutrition field may be right for you. The following are some careers for you to choose. Dietitian Dietitians are responsible for improving the nutritional health of patients by assessing nutritional needs and creating healthy diet plans based on nutritional needs and weight loss goals.  Dietitians hold employment through hospitals, private medical practices, public health and outpatient centers. A bachelor's degree in dietetics (营养学) or food and nutrition and state certification are required to become a dietitian. Personal trainer Personal trainers are responsible for helping their s (主顾) reach weight loss and fitness goals. No formal, education is required to become a personal trainer; however, certification is mandatory (必要的). Traditionally, personal trainers hold employment through gyms and fitness centers. Yoga instructor Yoga instructors direct their students to physical and mental well-being. To become a yoga instructor, you must become a registered yoga teacher. Completion of the program ranges from 200 hours to 500 hours. According to Payscale.com the average hourly wage of a yoga instructor with one to four years of experience ranges from $17.50 to $34.50. Wellness coach A wellness coach guides s towards improving their overall nutritional, physical and mental health.    Wellness coaches are typically serf-employed. There are no formal education requirements to become a wellness coach, However, expert knowledge and experience in the field lend great credibility (可信度). 1. Which of the following careers needs a bachelor's degree? A. Dietitian. B. Personal trainer. C. Yoga instructor. D. Wellness coach 2.If you don't want to work for a company, you can choose to be a _______ . A. dietitian B. personal C. yoga instructor D. wellness coach 3. It can be learned from the passage that________. A. personal trainers usually hold employment in hospitals B. yoga instructors also pay attention to students' mental health C. personal trainers must receive formal education D. yoga instructors usually work 200 hours to 500 hours a year 4. Which of the following would be the best title for this passage? A. Some interesting activities for different people B. Careers in nutrition and fitness C. To keep in good health is important D. Everyone should have a balanced, healthy diet