治疗硬肿症寒凝血涩证应首选的方剂是（）
A.血府逐瘀汤
B.附子理中汤
C.当归四逆汤
D.参附汤
E.四物汤
参考答案：D
下列物质中，属于氧化物的是[ ]
A．O2
B．CO2
C．KClO3
D．KMnO4
—_____ does your brother play on the computer?
—He often plays SEER (赛尔号) and the More Estate (摩尔庄园). [ ]
A. What games
B. How games
C. How often
D. How long
