因阳热亢盛，损伤阴精出现的昏厥病证，《素问·生气通天论》称之为（）
A.气厥
B.血厥
C.煎厥
D.薄厥
E.热厥
参考答案：C
We must keep a positive attitude toward the future ________ we may encounter some difficulties.[ ]
A. however
B. as if
C. even if
D. since
湖北国家级历史文化名城有：江陵、武汉、襄樊、随州、钟祥五个。 ( )
