参苓白术散的主治病证是（）
A.脾胃气虚证
B.脾胃不和证
C.气虚下陷证
D.脾肾两虚证
E.脾虚湿盛证
参考答案：E
—I have learned that a large new building will be set up__________the Twin Towers once stood.
—So have I.But the American people haven’t yet got over the shock of September 11.
A．where
B．when
C．which
D．that
（ ）是注意的两个特征。
A．针对性
B．概括性
C．指向性
D．集中性
