__1__是指为驱动客户进行重复购买,而对客户的购买行为进行某种形式回报的一种市场促进策略。
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分级忠诚计划包括__1__、__2__、__3__。
Government departments often found themselves competing for ______ resources.
A. near
B. nearly
C. scarce
D. scarcely
Two ambulance attendants picked up his ______ body and put him carefully onto a stretcher.
A. fragment
B. fragile
C. fertile
D) fragrant
The two sisters hugged each other, sharing their grief and ______ one another.
A. comforting
B. comfort
C. comfortable
D. comfortless