单项选择题
A growing interest in sports developed utter （）
A．research showed their health benefits B．people got the. message from magazine covers and postage stamps C．scientific evidence of health benefits was shown on TV ads D．an increasing number of races were held in American cities
单项选择题 According to the passage, what was the percentage of American adults doing regular physical exercises two years ago（）
单项选择题 While making tremendous achievements at college, Asian-American students （）
单项选择题 According to the first paragraph, the atmosphere is essential to man in that（）
