痛风()。
A.急性发作,关节肿痛,高热,全身中毒症状重,白细胞明显升高
B.需要抗生素治疗
C.两者皆是
D.两者皆不是
参考答案:D
顶点在原点,对称轴为y轴,顶点到准线的距离为4的抛物线方程是( )
If the traffic light is red. You can't walk _____ the road. [ ]
A. across
B. through
C. to
D. along