台地上的典型层序是向上变浅的,即由()组成沉积层序。
A.潮上带一潮间带一潮下带
B.潮下带一朝上带一潮间带
C.潮下带一潮间带一朝上带
D.朝上带一潮下带一潮间带
参考答案:C
Hiking by oneself can be fun and good for health. It may also be good for _____ building.
[ ]
A. character
B. friendship
C. reputation
D. respect
远端回路间的串音耦合与耦合点接收端的距离()。
A.有关
B.无关
C.关系不大
D.关系很大