2018年中考题型集训(三)任务型阅读(含答案)
When we say someone is in a blue mood. It means he or she is unhappy or sad. Are you feeling a little blue? Here are some fast and easy ways to cheer you up.
Do exercise.
When you exercise, your brain gives out a chemical called Endorphins(内啡肽). This chemical makes you feel happy. That is why exercise is good for you.
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