There are three categories of China’s high speed trains, G, D, and C, and D travels at a speed of______. A: 416 kmph B: 350 kmph C: 250 kmph D: 200 kmph
There are three categories of China’s high speed trains, G, D, and C, and D travels at a speed of______. A: 416 kmph B: 350 kmph C: 250 kmph D: 200 kmph
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