炉甘石的条痕色为
A.白色B.绿黑色C.樱红色D.红色E.浅橘红色
参考答案:A
They woke up, _____ everything around _____. [ ]
A. found changed
B. finding changed
C. to find changing
D. to find changed
正常曲线() 部分失神经曲线() 完全失神经曲线()
A.最短反应时正常,时值小于1ms
B.曲线有弯折,最短反应时延长,时值不大于10ms
C.最短反应时缩短,时值0.03ms
D.曲线无弯折,最短反应时明显延长,时值大于1ms,甚至高达10ms
E.最短反应时正常,时值大于1ms