与切换中掉话有关的定时器为()。
A、T3212
B、T3214
C、T3103
D、T3105
参考答案:C
Eventually he gave in to the wish of the ________.
[ ]
A. most
B. majority
C. average
D. common
哪些是我国允许使用的抗氧化剂
A.二氧化硫B.糖精C.山梨酸D.亚硝酸钠E.异山梨酸钠