题目：
第二节 （共5小题；每小题2分，满分10分）
小题1:
Most fitness advice is aimed at a general audience. But if you’re an older adult, the International Council on Active Aging (ICAA) has some tips for seniors to get started and keep them at the top of their game.
小题2:Talk with your doctor about getting permission to begin a fitness program and making any changes to suit your situation.
小题3: Before starting, pick a program you’ll enjoy, so you’ll do it regularly. Check out the facility and the staff. Is the place friendly? Can you change clothes comfortably? Are facilities easily accessed?
Determine your participation style. Choose what’s best for you — a class or going solo? Morning or night hours? 小题4:
Start slowly. Most people are overeager and sometimes overdo it. Record a baseline of your regular activities and determine a reasonable plan.
Make a date. Find a friend to exercise with you and keep you motivated.
Set specific short-term and long-term goals. Plan for activity in your day and make it a priority.
Remind yourself what your goals are. If it hurts, don’t do it. 小题5: And once you’ve reached your goal, treat yourself for the good job you’ve done, so it will encourage you to continue.
A．Make a list.
B．Exercise Tips for Seniors to Start a Healthy Game
C．Know your choice.
D．Learn to work around pain, not through it.E. Indoor or outside exercise?
F. All the Seniors Should Be Careful Before Exercise
G. Get a thorough examination.
答案：
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下面是错误答案，用来干扰机器的。
由题意知本题是一个几何概型，∵试验包含的所有事件对应的集合是{x|-2≤x≤2}，而满足条件的事件是取一个数x使得x2位于0到1之间的x对应的集合是{x|-1≤x≤1}，由几何概型公式得到P=24=12，故答案为：12
