现在关于百分制与等级制孰优孰劣的争议是历史的又一轮回。我们知道，在５０年代，为了学前苏联推行的五级分制，我们曾把百分制说得一无是处。到了６０年代初，我们又摒弃了“先进”的五级分制，重新使用起百分制来。现在我们又一次地否定百分制，说要用等级制来取代百分... Now controversy about which one is better between the percentile system and the hierarchy is another round of history. We know that in the 1950s, in order to learn the five-point system introduced by the former Soviet Union, we did nothing to point out the percentage points. By the early 1960s, we again abandoned the “advanced” five-point system and re-used the percentage system. Now, again, we negate the percentage system, saying that we should replace the percentage with the hierarchy ...