未知题型 听力原文：M: How long have you been learning computer?W: I've been learning it for 2 and a half months.Q: How long has the woman been learning computer?(7)A.Half a month.B.2 months.C.25 months.D.2 and a half months.

单项选择题 绩效计划的制订原则不包括（ ）。

未知题型 听力原文：W: I still haven't received her letter.M: Don't worry. It usually takes 2 weeks to receive it.Q: What does the man mean?(9)A.She should make a complaint.B.She should wait.C.She lost the letter.D.She should never take tests.