咽喉肿痛宜选（）
A.蒲公英
B.大青叶
C.山豆根
D.野菊花
E.升麻
参考答案：A, B, C, D, E
Can you tell me your _____ of success?
There is no easy way to learn English well. Just work hard.[ ]
A. duty
B. trouble
C. secret
D. rule
购货交易正确截止的关键是实物纳入盘点范围与交易记录的借贷双方必须在同一会计期间入账。( )
