夫地力之生物有大限,取之有度,(),则常足。
A.虚而为盈
B.用之有节
参考答案:B
The book is_____ it gives a wrong idea of the facts.
A.so writing that
B.such written that
C.such writing that
D.so written that
正常脊柱的描述正确的是()
A.颈椎后凸
B.胸椎前凸
C.腰椎后凸
D.骶椎前凸
E.腰椎受力最大