13. 相关系数越接近±1，表明变量之间的线性相关程度()。您的选择是（ ） A. 越低 B. 一般 C. 越高 D. 不一定 ...

8. 在我国宏观经济指标中，以下属于先行指标的是()。您的选择是（ ） A. 工业总产值 B. 商品零售额 C. 固定资产投资 D. 企业存款 ...

3. 下列方法中不属于定性预测的是()。您的选择是（ ） A. 趋势外推法 B. 主观概率法 C. 领先指标法 D. 德尔菲法 ...

33. For a successful business, friendly and _______ staffs are essential. A. lovely B. hard C. efficient D. respective ...

23. As soon as the children were ___ , their mother got them out of bed and into bathroom. A. woke B. awoke C. awake D. waken ...

18. --- I had a really good weekend at my uncle’s. --- _________. A. Oh, that’s very nice of you B. Certainly C. It’s a pleasure D. Oh, I’m glad to hear that ...

7. All the characteristics that distinguish birds ______ other animals can be traced to prehistoric times. A. to B. between C. for D. from ...

38. Her interest in flowers ___ her childhood in the country. A. happens to B. gets on with C. results in D. stems from ...

28. Three-fourths of the surface of the earth ___ sea. A. is B. have been C. are D. was ...

16. If you work hard ________, you won't have to sit up all night before the exam. A. by yourself B. at other times C. willingly D. with some help ...