高等教育 / 新发展英语综合教程（二）
_ _ _ _ _ _ _ a microscope we can see different kinds of things that are unable to be seen by our naked eyes.
A.In terms of
B.In place of
C.By means of
D.By far
A.In terms of
B.In place of
C.By means of
D.By far
参考答案：
佳题速递：