以下哪项参数不是ABR诊断蜗后病变的依据()
A.双侧I-V间期差延长
B.振幅V/I<0.5
C.ILD升高
D.仅有V波
E.IPL延长
参考答案:D
Teachers asked all the students _________loudly in the classroom. [ ]
A. not speak
B. not to speak
C. to not speak
D. don't speak
年度投资规模与在建投资总规模相互依存和运行状况可以用( )来反映。
A.投资回收率 B.项目投资率 C.建设周期 D.项目总规模