肉桂粉末镜检可见（）
A.草酸钙方晶
B.草酸钙针晶
C.草酸钙簇晶
D.草酸钙砂晶
E.草酸钙柱晶
参考答案：B
—What's the woman in a white hat? —____________.
A．She is my teacher
B．She is a cook
C．She is thirty
D．She is a girl
