如图是人体部分生理活动示意图，其中A、B、C、D、③、④代表相关物质，请据图回答．

    The key to losing weight is to understand what really interests you. Have you ever been excited about losing a few pounds? ____ And to help you keep your weight under control, you need some coping strategies (策略).

Ask questions. When you're researching different dieting products and plans or even talking to a doctor about diets, ask as many questions as you can. ____ Ask questions like: Do I have to buy special meals? Does the program include a part to help me keep my weight loss?

    Get real. ____ Don't burden yourself with unrealistic expectations. Remember, large amounts of weight loss are not realistic and are most likely not safe or healthy. Talk with your health care professional to determine a healthy weight goal.

    ____ To keep your weight, you must balance your intake of calories with the energy you burn. Just 30 minutes of fast walking in most days can take about 10 pounds off your weight each year.

    Weigh yourself weekly. It's important to track your weight on any diet or weight loss plan, but don't get on the scale every day. Weighing daily won't show you the big picture. ____

A. Stay balanced.

B. Once a week is fine.

C. Stick with your healthy eating plan.

D. Losing one to two pounds a week is a realistic goal.

E. Being well informed will help you choose the best diet for you.

F. Regular weight check-ins will show you your progress over time.

G. If so, you must find a way to turn that excitement into determination.

害群之马

    黄帝将见^①大隗^②乎具茨^③之山，适遇牧马童子，问涂^④焉，曰：“若^⑤知具茨之山乎？”曰：“然^⑥。”“若知大隗之所存^⑦乎？”曰：“然。”黄帝曰：“异哉^⑧小童！非徒^⑨知具茨之山，又知大隗之所有。请问为天下^⑩”。小童辞^⑪。黄帝又问。小童曰：“夫为天下者，亦奚以异平牧马者哉^⑫？亦去其害马者而已矣。”黄帝再拜稽首^⑬，称天师而退。

（节选自《庄子·徐无鬼》）

【注】①见：拜访。②大隗：传说中的神名。③具茨：山名，在荥阳密县（今河南省密县）。④涂：同“途”，即路，⑤若：你。⑥然：是的。表应答。⑦所存：所在的地方。⑧异哉：了不起啊。异，不寻常。⑨非徒：不但，不只。⑩为天下：治理天下。⑪辞：谢绝。⑫亦奚以异乎牧马者哉：这与牧马还有什么两样吗；奚，何。以，因。异，不同。乎，于，相当于“与”、“跟”。⑬稽首：叩头。