单项选择题

Kepler reconciled astronomy with physics, and substituted for fictitious clockwork a universe of material bodies not unlike the earth, freely floating and turning in space, moved by forces（）

A. acted on them
B. being acted on it
C. acting on them
D. having acted on it

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单项选择题
Experimental sciences, based on the observation of the external world, cannot aspire to completeness; the nature of things, and the imperfection of our organs,（）

A. are likely opposing it
B. are opposed to it and the like
C. are alike opposed it
D. are opposing it likewise
单项选择题
（）, the short is in some ways not really new.

A. Like many another new things
B. Like much other new things
C. Like many other new things
D. Like many another new thing
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