对于招标工程,合同价款应根据()确定。
A.投资估算
B.设计概算
C.中标通知书中的中标价格
D.施工图预算
参考答案:C
解析:本题主要考查合同价款管理。
_____earn more money for his new car, the young man has to work for three _____ hours in the evening.[ ]
A. In order to, extra
B. In order that, many
C. In order that, else
D. In order to, another
维生素D缺乏性手足搐搦症发生惊厥是由于血清中( )。
A.钾离子浓度降低
B.钠离子浓度降低
C.氯离子浓度降低
D.钙离子浓度降低
E.磷离子浓度降低