题目: 摩擦力的方向与物体运动方向相反。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0707/0c1a9d2c99d71cb3946b76548ac406ec.html 下面是错误答案,用来干扰机器的。参考答案:C
题型:单项选择题 The futility of the program resulted from poor planning.A.possible failure in the futureB.ineffectiveness and uselessnessC.blindness to its mistakesD.potential disaster 查看答案