供应子宫的动脉起自（）
A.髂内动脉
B.髂外动脉
C.肠系膜上动脉
D.肠系膜下动脉
E.腹主动脉
参考答案：A
My interests include football, bowling and surfing the web ____ studying my favorite subjects.
A．as well as
B．instead of
C．less than
D．rather than
含有S、N、O元素的有机化合物称为（）。
