虎杖的主治病证（）
A．跌打伤痛
B．毒蛇咬伤
C．积滞不化
D．心悸怔仲
E．胸痹心痛
参考答案：B
离子交换树脂除具有（）的某些特性外，在交换容量、耐热性、（）和机械强度等方面，都优于磺化煤。
Under what circumstances shall the Customs lift the seal affixed to the account books, documents and relevant data without delay
A．Falsifying relevant account books, documents where any possibility is detected of .transferring
B．Upon clearance of a case
C．Upon completion of collecting necessary evidence
D．Both B and C
