下列何项不是百合固金汤的药物组成( )
A.沙参
B.熟地
C.生地
D.麦冬
E.当归
参考答案:A
There is _______ big desk in our classroom. _______desk is for our teacher.
[ ]
A. a, The
B. a, A
C. the, The
D. an, A
我国《生活饮用水卫生标准》中规定,总大肠菌群不超过
A.100cfu/mlB.100cfu/3mlC.3cfu/mlD.3cfu/LE.100cfu/L