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计算题：高合金钢处于100℃，允许V加（加热速度）最大为10℃/min，淬火温度为1050℃，超过最大加热速度，将产生开裂，试问用75min加热这种钢能否产生开裂？
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梁的局部稳定问题，其实质是组成梁的矩形薄板在各种应力作用下的屈曲问题。()
Write down the numbers of the topic sentences in the following passages.①The bright child is patient. ②He can tolerate uncertainty and failure, and will keep trying until he gets an answer. ③When all his experiments fail, he can even admit to himself and others that for the time being he is not going to get an answer. ④This may annoy him, but he can wait. ⑤Very often, he does not want to be told how to do the problem or solve the puzzle he has struggled with, because he does not want to be cheated out of the chance to figure it out for himself in the future. ⑥Not so the dull child. ⑦He cannot stand uncertainty or failure. ⑧To him, an unanswered question is not a challenge or an opportunity, but a threat. ⑨If he can’t find the answer quickly, it must be given to him, and quickly; and he must have answers for everything.
β-受体阻滞剂治疗的绝对禁忌证有哪些（）
不属于周围性面瘫定位检查的方法是（）
防止无效装卸作业的手段有哪些？
公共建筑空间组合中交通枢纽的设计，主要依据（）两方面的要求。
交通锥可布设在上游过渡区、缓冲区、工作区和下游过渡区，布设间距不宜大于（）m。
滚珠丝杠螺母副中负载滚珠总圈数一般为（）。
增液通便法代表方剂为（）。