（1-12）÷12
=12÷12，
=100%．
即乙数比甲数多100%．
故选：C．
—Where is the telephone book?
—I ________ and get it for you.
A．am going to go
B．will go
C．will be going
D．am going
灭菌时间减少到原来的1/10所需升高的温度
A．D值B．Z值C．F值D．F0值E．T值
