问题
填空题
锻炼中运动强度的大小一般通过（）指标来确定。
答案
参考答案：心率
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锻炼中运动强度的大小一般通过（）指标来确定。
参考答案：心率
Mr. White was holding a party at home to celebrate his sixtieth birthday. To make him happy, one of his women friends __1__ to sing a song for him. Now she was singing. One guest turned to a __2__ by his side and criticized the singer. “What a __3__ voice!" he said. "Do you know __4__ she is?" “Yes," was the answer, " She is my wife. " “Oh, I beg your pardon,” the man said. "Of course her voice isn't bad, __5__ the song is very bad. I wondered who wrote that awful song?” “I did," was the answer.
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