读下面“108°E的地形剖面图”,据图回答下列各题。
下列判断正确的是()
A.①为青藏高原
B.②为四川盆地
C.③为黄河谷地
D.④为喜马拉雅山
参考答案:B
---How long have you ______ the map?
---For two years. I ______ it in the market two years ago.
A.bought; had
B.had; bought
C.had; had
D.bought; bought
沥青面层与水泥混凝土路面板的厚度检测应用钻孔法测定。( )