Nothing is more important than health, so it is unwise to build up our business

题型：不详难度：来源：

Nothing is more important than health, so it is unwise to build up our business ________ our health.

A．at the mercy of	B．at the expense of
C．in face of	D．in relation to

答案

B

解析

此题是词组辨析：at the mercy of 任由…支配，.at the expense of以…为代价 in face of面临                        in relation to和…有关，根据句意：没有什么比健康重要，以健康为代价扩大生意是不明智的。所以选B。