具有降血糖作用的成分是()
A.葛根素
B.桂皮醛
C.柴胡挥发油
D.麻黄挥发油
E.黄樟醚
参考答案:A
We__________ an old man lying in the road, who was badly ill.
A.came along
B.came by
C.came across
D.came up
对单纯疱疹病毒性脑炎诊断最有价值的是()。
A.MRI显示颞叶异常信号影
B.脑脊液检查示蛋白升高、糖正常
C.发热、头痛、精神症状明.
D.病程中CSF中HSV抗体滴度4倍以上升高
E.以上均不是