干扰Na+-K+-2Cl-同向转运系统的药物是().
A.呋塞米
B.氨苯蝶啶
C.甘露醇
D.氢氯噻嗪
E.螺内酯
参考答案:A
So far this year we __________ a rapid rise in food prices by between 10 and 20 percent.
A.experience
B.had experienced
C.experienced
D.have experienced
井口控制盘气动液压泵气源压力为()kPA
A、100
B、400
C、500
D、700