关于主观视功能检测不包括（）
A.对比敏感度
B.视觉诱发电位
C.暗适应
D.色觉
E.视野
参考答案：B
一艘轮船，当它卸下1.96×104牛的货物后，船受到的浮力减小_____牛，船浸入水中的体积减小_____米3．
Even to many scientists, the problems resulted from the conflict between economic gains and environmental protection are simply ______.
A. insoluble B. infallible C. inferable D. ineffable
