颈动脉粥样硬化斑块最多见于下列哪个部位:
A.颈总动脉起始部
B.颈总动脉主干
C.颈总动脉分叉处
D.颈内动脉起始部
E.颈外动脉起始部
参考答案:C
He likes playing _____ guitar but he doesn't like playing _____ basketball. [ ]
A. the; /
B. the; the
C. /; the
D. /; /
铁、锌属于()
A.植物化学物
B.宏量营养素
C.微量元素
D.宏量元素
E.抗氧化营养素