6 . 阅读下面短文, 在空白处填入1个适当的单词或括号内单词的正确形式。

Researchers have found that tai chi could slow down Parkinson’s disease by years. Tai chi, with its slow movements,     1     (know) to benefit physical and mental well-being. The researchers     2     (conduct) a five-year study on people with Parkinson’s. They discovered that the condition became worse     3     a slower speed in those who practiced tai chi. They observed fewer falls, and     4     (little) dizziness (头晕) and back pain in the tai chi practitioners. They also noted that the cognitive function of the test participants who     5     (regular) practiced tai chi became worse more slowly.

Parkinson’s disease is a brain disorder     6     (affect) the nerves and muscles. It steadily causes uncontrollable movements,     7     symptoms (症状) include shaking, stiffness, and difficulty with balance. People with Parkinson’s may have difficulties walking and talking. One of the most famous people with Parkinson’s was Muhammad Ali,     8     heavyweight boxing champion. The researchers suggest that tai chi is one of the most helpful ways     9     (keep) symptoms of Parkinson’s at bay. They said: “The long-term     10     (benefit) effect of tai chi on Parkinson’s could extend the time without disability, leading to a higher quality of life, a lower burden for caregivers and a reduction in drug use.”

10 . 最近你所在的国际班中有许多同学缺乏体育锻炼，每天都十分困倦，所以你决定给全班同学写封英文倡议信，劝说大家每天早上到校后参加晨跑。
注意：写作词数应为80左右。
Dear classmates,

I’m writing to persuade you to take part in morning jogging after arriving at school every day.

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