2003年的伊拉克战争中，精确制导弹药占总弹药量的（）
A.60%
B.68%
C.80%
D.85%
参考答案：B
The restaurant is so popular here. Look, there are so many _____ here.
A．food
B．dish
C．people
D．waiter
生铁渗碳过程分液态铁渗碳和炉缸内渗碳。
