碎屑岩由碎屑颗粒、基质、胶结物和孔隙四部分组成。
参考答案:对
厥证易与哪些病证混淆
A.眩晕
B.中风
C.痫病
D.昏迷
E.癫证
Leaders of many countries have been trying to ______ what it is that makes China develop so fast.
A.carry out
B.figure out
C.watch out
D.go out