单项选择题 听力原文：M: Please come in. Miss Edwards, and close the door behind you.W: All right.M: Have a seat over here. How are things going out in the office?W: Just fine, Mr. Davis, especially with the recent personal shifts.M: Yes, I thought so. Well, the executive board and I feel that much of our improved performance in the main office is due to your conscientious efforts.W: Oh, thank you, Mr. Davis. My job has certainly become easier since we computerized our record keeping system. The equipment is a pleasure to use.M: That's true. But we are especially impressed with how your influence contributes to good office relations and improved staff attitude toward the work.W: Well, thank you for your confidence. We do have a lot of good people in the office, and the new machinery is wonderful.M: Yes, but machines are only as good as the people who use them. They cannot as sure harmony, and efficiency in a staff. W: That's very true.M: To make a long story short, the board wishes to reward your efforts by making you office manager as of next Monday．That means a ＄250 raise as of the first of next month．W：I'm deeply honored, Mr. Davis，Thank you．How does the woman feel about the recent shift of office employees?A．It has no effect.B．It improved operations.C．It made operations become less efficient.D．It made the employees 'become dissatisfied.

单项选择题 审计师为了发现被审计单位是否存在多计收入的情况，所采取的最有效的审计程序是（）。

多项选择题 二级公路的面层可采用（）。