大气中的水汽含量虽然很少,可是在天气变化中却起着重要作用,例如:()
A.成云致雾
B.大量凝结潜热释放使热带气旋强烈发展
C.AB都对
D.AB都错
参考答案:C
Under U. S. GAAP, loans made to others are most likely classified in the cash flow statement as:()
A. an investing activity.
B. a financing activity.
C. an operating activity.
人体的生理调节主要是()。
A.激素调节
B.神经系统调节
C.免疫系统调节
D.以上都对