题干

2012年国庆节早晨,小明在家中发现暖水瓶的瓶盖打开不冒“白气”,小明问自己为什么?想到可能是暖水瓶不保温,倒了一碗尝尝发现“烫”.又想到可能是因为房间的温度较高,将暖水瓶拿到屋外,看到很多“白气”.小明就倒了一碗尝尝属于科学探究中的哪个环节(  )

A:提出问题

B:猜想与假设

C:进行实验与收集证据

D:交流与合作

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C

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    The key to losing weight is to understand what really motivates 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.

    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 purchase special meals or supplements? Does the program include a part to help me maintain 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 maintain 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.