在寒冷的环境里，人体产生的热量会明显增加，与此关系最密切的调节因素是（ ）
A．胰岛素增多
B．生长激素增多
C．性激素增多
D．甲状腺激素增多
答案：D
They _____ of the terrible situation in Thailand, otherwise they wouldn't have gone there for sightseeing.
A．wouldn't hear
B．didn't hear
C．haven't heard
D．don't hear
会计人员的职业道德是带有强烈（）色彩的经济道德。
