题型:选择题 George reads the newspaper every morning. That's ______ habit.[ ]A. he B. him C. his D. himself 查看答案
题型:单项选择题 下列情况中,属于自身调节的是A.人在过度通气后呼吸暂停B.动脉血压维持相对恒定C.体温维持相对恒定D.血糖水平维持相对恒定E.平均血压在一定范围内升降时,肾血流量维持相对恒定 查看答案