题目

题型：不详难度：来源：

When he is faced with a dilemma sometimes, he usually makes a/an ________ decision by throwing a coin.

A．arbitrary

B．conservative

C．accurate

D．cautious

答案

A

解析

试题分析：进退两难的时候，靠抛硬币作出的决定是“随意”的。conservative: 保守的；accurate: 精确的；cautious: 谨慎的。不合题意。arbitrary: 随意的、随机的。故A项正确。