治疗脾肾阳虚泄泻的首选方剂是( )
A．参苓白术散
B．附子理中汤合四神丸
C．补中益气汤
D．生脉散合参附龙牡救逆汤
E．人参乌梅汤
参考答案：B
可引起股骨头无菌性坏死的最常见的药物是（）
A．甲氨蝶呤
B．长春新碱
C．氯喹
D．糖皮质激素
E．雷公藤
We shouldn’t complain about being poor; many families are even ______.
A．badly off
B．worse off
C．well off
D．better off
