已知抛物线解析式为y=x2-3,则此抛物线的顶点坐标为______.
因为y=x2-3是抛物线的顶点式,
根据顶点式的坐标特点可知,顶点坐标为(0,-3).
下列易袭人体阴位的病邪为
A.风邪
B.湿邪
C.寒邪
D.火邪
E.燥邪
What’s the turnover for last year().
A.37.57 billion French francs.
B.35.57 billion French francs.
C.37.75 billion French francs.
D.35.75 billion French francs.