宋金元时期对《伤寒论》进行全面注解的医家是（）
A.庞安时
B.王叔和
C.纪天锡
D.成无己
参考答案：A
For a long time we that going to university and getting a degree will ensure a financially stable future.[ ]
A. are told
B. have told
C. have been told
D. tell
B． 高原空气稀薄，大气压强大
C． 高原空气稠密，大气压强小
D． 高原空气稠密，大气压强大
