急性肾炎高血压脑病时,首选降压药物是
A.利血平
B.硝苯地平(心痛定)
C.肼苯哒嗪
D.二氮嗪
E.硝普钠
参考答案:E
---What do you think of Jim’s schoolwork?
---His schoolwork is better than_________in his class.
A.any classmate’s
B.any other classmate’s
C.the other classmates
D.other classmates
滚动轴承内圈与轴颈的配合以及外圈与座孔的配合,( )。
A.前者采用基轴制,后者选用基孔制 B.前者采用基孔制,后者采用基轴制C.全部采用基孔制 D.全部采用基轴制