化脓性脑膜炎患儿有颅高压、脑疝症状时,首先选用()
A.20%甘露醇静推
B.50%葡萄糖静推
C.呋塞米肌注
D.50%甘油口服
E.地塞米松肌注
参考答案:A
Jerry did research in that field for a long time.He ________ invent something useful.[ ]
A.got down to
B.hoped himself to
C.set out to
D.devoted himself to
决定教育事业发展规模和速度的是( )。
A.科学技术 B.政治经济制度C.文化 D.生产力