单选题There are more forces accelerating the progress of science than retarding it.ApopularizingBshrinkingCmaintainingDhindering

单选题
There are more forces accelerating the progress of science than retarding it.
A

popularizing

B

shrinking

C

maintaining

D

hindering


参考解析

解析:
句意:推动科学进步的力量要比阻力多。retard的意思是“延迟;阻止;妨碍;使减速”。popularize普及,推广。shrink缩小;缩水。maintain维护;维持;维修。hinder妨碍。

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