阈刺激是指()
A.阈强度
B.阈值
C.强度阈
D.刺激阈
E.阈强度的刺激
参考答案:E
我国《行政诉讼法》规定,对行政案件实行( )。
A.合理性审查原则B.合法性审查原则C.合法性审查原则,但也有例外D.合法性审查原则为主、合理性审查原则为辅的原则
Peter could hardly see the words on the blackboard,______________? [ ]
A. did he
B. couldn't he
C. didn't he
D. could he