台湾新兴的重工业基地是 ，全省第二大城市和最大的 。
高雄 港口
装载1组9级军用危险货物的载重车、牵引车车数每列不得超过（）。
I can still vividly remember to pick our steps in the mountain down the deep valley on my 21 st birthday.()
A. picking.., in the mountains
B. picking ... on the mountain
C. having picked ... from the mountains
D. picking ... from the mountains
