【简答题】将3封信投入 4 个不同的邮筒的投法共有多少种 ?
【单选题】Dialogue 2.
A.
She expresses her indignation at the criticism
B.
She has tried her best
C.
She proposes to work late
D.
She couldn't make up the time
【判断题】邮政局门前有 3 个邮筒 , 现将 4 封信逐一投入邮筒 , 共有81种不同的投法.
【单选题】将3封信投入4个不同的邮筒的投法共有多少种?( )
【简答题】Which of the following statements is not correct about the dialogue?A. Thewoman wants to hear a recital on the 16th of December. B. Theman doesn't know the time when the recital begins. C. Theman does...
【多选题】职业理念与师德是体育教师职业的灵魂,先进的职业理念,高尚的师德是体育教师职业素养的重要方面。体育教师的职业理念与师德主要表现在( )。
【单选题】将5封信投入3个邮筒,不同的投法共有( )。
【简答题】超市扫描条码时不能正确识读,请分析原因。