被誉为“中国第一编钟”的是（）。
参考答案：曾侯乙编钟
The weather turned out to be fine yesterday.I_______the trouble to carry my umbrella with me.
A．should have taken
B．could have taken
C．needn't have taken
D．mustn't have taken
哪个症状对痞满和胸痹的鉴别诊断最有价值（）
A.起病形式
B.病程
C.诱因
D.病位
E.以上都不是
