下列各种结构中，哪一种不是沉积岩的结构？（）
A.斑状结构
B.碎屑结构
C.生物结构
D.化学结构
参考答案：A
So far, I haven't adapted to the fast of the life in Toronto. [ ]
A. step
B. style
C. pace
D. manner
The house rent is expensive. Here I'm paying ________ as I pay at home.[ ]
A. as three times much
B. as much three times
C. much as three times
D. three times as much
