单项选择题
The underlined part "keep an anxious eye on the state of his currency" means （）
A．take care not to be over-critical in his writing B．watch carefully to see that nobody else takes his job C．be careful to ensure that his comments retain their value D．be sure that his salary keeps pace with inflation
单项选择题 A growing interest in sports developed utter （）
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 （）
