题目

  The mayor was charged with _______ his power for personal benefits. A. applying     B. abusing    C. taking    D. spending 答案：B当一个人突然遇见很危险的情境时，血中肾上腺素的含量立即上升，产生多种生理反应，这一生理调节过程属于（     ）A．神经调节B．体液调节C．神经—体液调节D．激素调节