毒物对靶分子的影响有（）
A.靶分子功能失调
B.靶分子的破坏
C.新抗原形成
D.化合物引起的生物学微环境改变与毒性
E.以上都是
参考答案：E
下列说法正确的是[ ]
A．两点之间的连线中，直线最短
B．若P是线段AB的中点，则AP=BP
C．若AP=BP，则P是线段AB的中点
D．两点之间的线段叫做者两点之间的距离
Parents of a child with cystic fibrosis demonstrate knowledge of the effects of hot weather on their child when they state that hot weather is hazardous because the child has which of the following（）
A. Poor ability to concentrate urine.
B. Little skin pigment to prevent sunburn.
C. Poorly functioning temperature control center.
D. Abnormally high salt loss through perspiration.
