单项选择题A．It is needed to adjust the temperature of our bodies.B．It is our second need.C．We need it to cover our bodies.D．Weather is changing all the tim

单项选择题A．The meaning of facial expressions depends on situations.B．Facial expressions can cause misunderstanding across culture.C．People from one culture may lack facial expressions because they experience less emotions.D．Facial expressions may disguise true feelings.