So by the 1600’s Shakespeare was able to _________a wider vocabulary than ever before.

A．take use of

B．make use on

C．take use up

D．make use of

在硬纸板上开一个正方形小孔,让阳光透过小孔照射在地面上,随着正方形小孔的边长逐渐减小,地面上的光斑的形状依次是:                、                 、                 .对应这些光斑,产生的原因依次是:               、                 、                 .