腰带
参考答案：脊椎动物联系后肢和中轴骨骼之间骨块，由髂骨、坐骨、耻骨组成，均为软骨化骨成分，由髂骨直接与脊柱的荐椎相关节。
If you are determined to master a language, you should follow the advice: learn a language by making
mistakes and ________them.[ ]
A. correct
B. to correct
C. correcting
D. corrected
In order to（）your goals, you must work hard.
A.make
B.achieve
C.require
D.develop
