剖面上，潮成三角洲最上部是海相泥质沉积，往下是潮成砂，再往下是潮成平原富含有机质的沉积。最上面是三角洲平原和河流的沉积。
参考答案：错
The newly built cafe, the walls of ______ painted light green, is really a peaceful place for us, especially
after hard work.[ ]
A. whose
B. it
C. what
D. which
双丝埋弧焊时，从焊缝成形上看，（）的焊丝排列焊缝成形深而窄。
A.横列式
B.纵列式
C.直列式
D.同体式
