题型：完形填空 题类：常考题 难易度：普通
新目标（Go for it）版初中英语八年级上册Unit 2 How often do you exercise 第2课时
Almost all people think exercising is good for us. But how often should (应该) we exercise? Five days week? Four days week? Is two days week 1? Luckily, the answer 2 the question is not difficult to find.
We asked Shawn Arent, a scientist (科学家), about this question. He said that people should 3 every day. It really does great help to our 4 and health.
Shawn also told us 5 more interesting "There is a big 6 between exercising two days a week and three days a week," Shawn said. "With three days a week, your body gets enough exercise and you want to do 7 activities to be healthier (更健康的). 8, with two days week, you don't get much change (改变). You just don't do it often enough, so you can't fully (完全地) 9 the fun of exercising.
"For children and old people, it's a good start to exercise two days a 10 at first. But I still want them to exercise more after some time. Three to four days a week will be wonderful for them," Shawn said.
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