毒物排出途径有（）。
A.经肾脏排出
B.经消化道排出
C.经呼吸道排出
D.经汗液、唾液排出
E.经乳汁排出
参考答案：A, B, C, D, E
可致右心室压力负荷过重的疾病为（）。
A.高血压病
B.心肌梗死
C.肺动脉瓣狭窄
D.严重贫血
E.主动脉瓣关闭不全
I__________ this record for you with difficulty. [ ]
A. gained
B. got
C. obtained
D. was gained
