How many ____ are there in your family? [ ]
A. people
B. peoples
C. the people
答案:A
求小数的近似数也可以用( )法。
在岩体结构类型中,构造变动中等,具中厚层状的沉积岩应属于()
A.整体块状结构
B.层状结构
C.碎裂结构
D.散体结构