贯穿于视网膜神经上皮层的细胞是()
A.感光细胞
B.无长突细胞
C.双极细胞
D.Muller细胞
E.水平细胞
参考答案:D
六(1)班男、女生人数相等,六(2)班,男、女生人数的比是3∶2,在一次测验中的优秀率如下:六(1)班男生为84%,女生为44%,六(2)班男生为80%,女生为40%,问哪个班的优秀率高?写出计算过程。
I _____ you not to move my dictionary-now I can't find it. [ ]
A. asked
B. ask
C. was asking
D. had asked