A. 5.11%,0.71% B. 4.77%,0.41% C. 3.21%,0.32% D. 2.75%,0.21%B

昕玥2019-12-17  17

问题

选项 A. 5.11%,0.71% B. 4.77%,0.41% C. 3.21%,0.32% D. 2.75%,0.21%

答案B

解析[img]/upload/tiku/37/5850452_1.jpg[/img]
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