全班人数一定,出席人数和缺席人数[ ]
A.成正比例
B.成反比例
C.不成比例
答案:C
_______, the examination tomorrow has been cancelled (取消).
A.Believe it or not
B.It depends
C.It is up to you
D.To make things worse
土家族的人在路上遇见老友,会相互(),家有来客,必盛情款待。
A.打架
B.问候
C.要钱
D.送礼