“五志相生”，“怒”所胜的“志”是（） A.恐 B.思 C.惊 D.悲 E.忧

Do you want to _____ your new classmates? [ ]

A. made friend with

B. make friends with

C. make a friend with

D. making a friend with

细菌生理群 physiological group of bacteria

要使顾客满意，顾客让渡价值的大小应满足：（）。

A.>0

B.<0

C.≥O

D.≤O