The keys to reaching or staying at a healthy weight are regular exercise and good eating habits. Teens should get 60 minutes or more of physical activity a day. Note the word “activity”. As long as you’re getting your body moving, it doesn’t have to mean doing difficult exercise or going to the sports hall every day. All that matters is that each week you get the right balance of activity, including aerobics (有氧運(yùn)動), strength building, and flexibility (柔韌) exercise. Make exercise a habit by arranging some time every day.
On days when you have soccer practice or an aerobics class, you may have no trouble exercising for an hour or more. But most of us are busy, and 60 minutes a day for exercise seems like a lot of time. The good news is that it’s OK to divide it into shorter exercise breaks throughout the day.
Just as you might have a healthy snack to stop yourself from getting hungry, exercise snacks can keep energy levels high. So get up 15 minutes early and do some stretching (伸展) activity. Walk fast or run slowly for 15 minutes after lunch. Do the same thing after school — or walk or bike home. Add to that taking the stairs, PE class, and walking between classes during the day, and you’ve probably reached your 60 minutes.
Here are five simple ways to make an exercise lifestyle change:
小題1:The writer thinks many people probably misunderstand the word“activity” to be “_______”.  
A．physical activityB．body movement
C．sports hall exerciseD．outdoor exercise
小題2:When exercising, the most important fact is ________.
A．the time spent on exercise
B．the intensity of activity
C．the difficulty of exercise
D．the right balance of activity
小題3:The author advises dividing activity into shorter exercise breaks because ___.
A．exercising for a long time is bad for people’s health
B．it has the same effect as soccer practice
C．people usually haven’t much time to exercise
D．no one can spare lots of time to exercise
小題4:What’s the best title for this passage?
A．Regular exercise.B．School exercise.
C．Indoor exercise.D．Difficult exercise

小題1:C
小題2:D
小題3:C
小題4:A

試題分析：本文主要描述了體育鍛煉在我們?nèi)粘Ｉ钪械闹匾饔茫ξ覀兊娜粘ｅ憻捳J(rèn)真分析，提出了合理建議。閱讀中注意上下文聯(lián)系。
小題1:根據(jù)it doesn’t have to mean doing difficult exercise or going to the sports hall every day.可知選C。
小題2:根據(jù)All that matters is that each week you get the right balance of activity,及下文描述可知選D。
小題3:根據(jù)上文60 minutes a day for exercise seems like a lot of time.描述可知選C。
小題4:通過閱讀短文可知本文主要是對人們的日常鍛煉提出建議，故選A最符合文章中心意思。
點(diǎn)評：答題時，首先要從整體把握大意，根據(jù)語境及上下文提示，做出正確判斷，和善于根據(jù)相關(guān)信息總結(jié)文章大意。
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* Crops     4   before harvest.
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* People     5       6   China are giving help.
* Students     7   them  water and money.
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* It’s    8   for us to save water in our    9   lives.
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