主合同当事人双方协议以新贷偿还旧贷的，（），保证人不承担民事责任。
参考答案：除保证人知道或者应当知道、新贷偿还旧贷系同一保证人
如果本国货币供给增加，会导致本币（）。
A.升值
B.贬值
C.不变
D.不一定
---Tom failed the exam.
---Just his luck.__________
A．He has to kill the fatted calf
B．He has to face the music
C．He must be the apple of his parents’ eye
D．He must be a black sheep
