患者,女,54岁。面色白,时自汗出,恶风,经常患感冒,脉浮无力。常与黄芪配伍为佳的药物是()
A.党参、白术
B.党参、茯苓
C.党参、甘草
D.白术、防风
E.白术、茯苓
参考答案:D
—What color is an orange?
—It's _____.[ ]
A. orange
B. white
C. an orange
D. oranges
急性呼吸衰竭是指动脉血氧分压低于多少
A.50mmHg
B.40mmHg
C.30mmHg
D.60mmHg
E.70mmHg