A:①③④
B:②③④
C:①②④
D:①②③④
Despite the fact that all three teams________different approaches to the problem, they were all immediate successes.
要测量小敏同学上楼梯时的功率,不需要测量他的( )
巴黎和会、华盛顿会议被称为“上一轮争夺的总结,下一轮争夺的开始”。下列表述不能准确反映此结论的是( )