In a previous design, the weight of the discus used in track competition is concentrated in a metal center, but now it is lined with lead around the perimeter, thereby improving stab OG12PREP08 Test 2

题目内容

In a previous design, the weight of the discus used in track competition is concentrated in a metal center, but now it is lined with lead around the perimeter, thereby improving stability in flight and resulting in longer throws.

AIn a previous design, the weight of the discus used in track competition is concentrated in a metal center, but now it is 分析该选项
BAccording to a previous design, the weight of the discus used in track competition was concentrated in a metal center, but now it is 分析该选项
COnce designed with its weight concentrated in a metal center, the discus used in track competition is now 分析该选项
DThe discus used in track competition, once designed with its weight concentrated in a metal center, but now 分析该选项
EThe discus used in track competition was once designed having its weight concentrated in a metal center and now 分析该选项

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正确答案: C

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