供应枕叶的血管为
A．大脑后动脉
B．颈内动脉
C．前交通动脉
D．大脑中动脉
E．大脑前动脉
参考答案：A
维生素B的吸收部位是（）
A.口腔
B.胃
C.小肠
D.升结肠
E.横结肠
Nobody _________ with breaking the law. Do you think so?
A．gets around
B．gets off
C．gets through
D．gets away
