“_____?” “Yes, please. I like apples.”

A．Do you like one

B．May I have one

C．Will you please have one

D．Would you like one

用下列四台显微镜观察洋葱表皮细胞，视野中细胞数目最多的是[ ]

A．目镜5×；物镜8×     

B．目镜10×；物镜40×   

C．目镜15×；物镜10×   

D．目镜20×；物镜45×