有毒物质可经下列哪些途径进入人体
A．消化道
B．毛发
C．呼吸道皮肤黏膜
D．伤口
参考答案：A,C,D,E
-- - Shall I take you to the shopping mall after work?
---- No, thanks. My father said he would ________ on his way home.
A．look for me
B．pick me up
C．let me down
D．take after me
内侧丘系交叉
