氯霉素抗菌谱广,但仅限于伤寒、立克次体病及敏感菌所致严重感染,是因为
A.影响骨、牙生长
B.对肝严重损害
C.对造血系统有严重不良反应
D.胃肠道反应
E.二重感染
参考答案:C
Aristotle was one of those who could found a civilization, and while he thought of education as both a social value and an end in itself, he ascribed its chief importance (21) what might be considered a third basic concept of education: to train the mind to think, (22) what it is thinking about. The key is not (23) it knows but how it (24) any new fact or argument. "An educated man," Aristotle wrote in On the Parts of Animals, "should be able to (25) a fair offhand judgment as to the goodness or badness of the method used by a professor in his exposition. To be (26) is in fact to be able to do this." The Aristotle view of education as a (27) has become the conventionally worthy answer today (28) college presidents and other academic leaders are asked what an education should be. An educated man, says Harvard President Bok, (29) a deep breath, must have a "curiosity in (30) the unfamiliar and unexpected, an open-mindedness in entertaining opposing points of view, (31) for the ambiguity that surrounds so many important issues, and a willingness to make the best decision he can in the fact of uncertainty and doubt." This is an approach that appears to (32) more importance to the process of learning (33) to the substance of what is learned. The very old notion of the generalist who could comprehend all subjects has (34) been an impossibility. To make matters (35) more difficult, the fields of knowledge keep changing.
A. known B. educatedC. literate D. wise
某工地,开始起大砚,已有即将下大雨的迹象,为了抢在雨前将大树种植完成,现场管理人员不顾吊车师傅的反对,指令吊车师傅直接在树干上栓套尼龙带开始起吊;起吊中,监理人员因风大离开现场了,当起吊树木刚好越过一座尚在修建中的园林亭顶时,土球突然散落,造成树木颠倒砸在亭子上,树木断为两截,导致亭子歪斜错位、亭内站在油桶搭板上正在粉刷亭顶的一名工人摔下重伤,旁边运输砂浆的另一名工人轻伤,请从技术方面和管理方面分析事故原因,并分析事故各方应该承担的责任。