“风吹金榜落凡世,三十三人名字香。”“十年寒窗无人问,一举成名天下知。”诗句反映的现象与下列哪一制度的推行直接相关?( )
A:分封制
B:郡县制
C:科举制
D:行省制
使用显微镜观察同一视野细胞时,看到的细胞数目最多的镜头组合是( )
①目镜5×②目镜15×③物镜10×④物镜40×
I asked her to ____ (传达) my best wishes to her mother.
Although it seemed to be ______ uncomfortable experience, he still found it ______ fun to learn diving.