胸廓上口由()、()及()共同围成.
参考答案:第1胸椎体;第1对肋;胸骨柄上缘
一个长方体的长是3.6分米,高是1.2分米,体积是12.96立方分米。它的宽是( )分米,底面积是( )平方分米,表面积是( )平方分米。
Though I am improving in my study, I still have a long way to go _____some of my classmates.
A.to compare with
B.to compare to
C.compared with
D.comparing with