磷酸吡哆醛与酶蛋白结合是通过（）
A.氢键
B.疏水键
C.盐键
D.Schiff碱
E.酯键
参考答案：D
与SAP具有矛盾关系的是( )
A．PAS
B．PES
C．SIP
D．SOP
Fuel scarcities and price increases（）automobile designers to develop completely new lines of small cars and trucks.
A.prompted
B.persuaded
C.imposed
D.enlightened
