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一步制粒完成的工序是
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某施工单位承建某大厦工程，总建筑面积30 000ms，该工程位于市中心，现场场地狭窄。施工单位为降低成本，现场只设置了一条3m宽的施工道路兼作消防通道。现场平面呈长方形，其斜对角布置了两个消火栓，两者之间相距70m，其中一个距拟建建筑物3m，另一个距边3m。 本工程应设置专门的消防通道，且路面宽度符合要求的是 。
In recent decades, scientists have become increasingly aware of the part the observer【C1】______in the scientific process. In the【C2】______place, the observer can work only with his experiences, and these are【C3】______by his senses and the instruments he【C4】______to extend his senses. Ultraviolet light, electromagnetic fields, and atomic particles, 【C5】______. became known to us only as we devised tools【C6】______we could observe their effects. 【C7】______, our picture of the real world is always incomplete. Secondly, the observer is highly selective in choosing his【C8】______. Life is a narrative of ever new and often【C9】______events. At any given moment, an individual is bombarded with sense experiences and can, 【C10】______he desires, expose himself to more. But he is really interested in or concerned with only a few of these. Other experiences are consciously or【C11】______ screened out as irrelevant to the task【C12】______. For example, as we read a book, we are often surrounded by sounds and activities that we【C13】______ , but by turning our attention to them we become conscious of their presence. What a scientist discovers depends, 【C14】______, on what he is looking for—【C15】______the questions he is asking. Thus, academic disciplines differ in their study of human beings in large part【C16】______they ask different questions. Human beings live, 【C17】______, in a house with only a few windows of tinted and curved glass, 【C18】______which we see the outside world. The glass colors and distorts our observations, and its effects can be determined only with【C19】______difficulty. Scientists are increasingly aware of the【C20】______that they work with sense data, not with the world itself. 【C16】
In recent decades, scientists have become increasingly aware of the part the observer【C1】______in the scientific process. In the【C2】______place, the observer can work only with his experiences, and these are【C3】______by his senses and the instruments he【C4】______to extend his senses. Ultraviolet light, electromagnetic fields, and atomic particles, 【C5】______. became known to us only as we devised tools【C6】______we could observe their effects. 【C7】______, our picture of the real world is always incomplete. Secondly, the observer is highly selective in choosing his【C8】______. Life is a narrative of ever new and often【C9】______events. At any given moment, an individual is bombarded with sense experiences and can, 【C10】______he desires, expose himself to more. But he is really interested in or concerned with only a few of these. Other experiences are consciously or【C11】______ screened out as irrelevant to the task【C12】______. For example, as we read a book, we are often surrounded by sounds and activities that we【C13】______ , but by turning our attention to them we become conscious of their presence. What a scientist discovers depends, 【C14】______, on what he is looking for—【C15】______the questions he is asking. Thus, academic disciplines differ in their study of human beings in large part【C16】______they ask different questions. Human beings live, 【C17】______, in a house with only a few windows of tinted and curved glass, 【C18】______which we see the outside world. The glass colors and distorts our observations, and its effects can be determined only with【C19】______difficulty. Scientists are increasingly aware of the【C20】______that they work with sense data, not with the world itself. 【C19】
Is anti-white bias a problem A new study says whites think discrimination against them is a bigger problem than anti-black bias. They feel threatened by "【C1】______racism". In what some have called the new post-racial era, what constitutes discrimination is【C2】______. A new study has found that Americans think significant progress has been made in the fight【C3】______anti-black bias. But white Americans【C4】______that progress as coming at their【C5】______and that anti-white bias has become a more【C6】______social problem than anti-black bias. White Americans see blacks" progress as a(n) 【C7】______of their status. Is this finding surprising Do we see this view【C8】______in government policies or court decisions If so, how Our recent research【C9】______that white and black Americans agree that bias against blacks was【C10】______in the 1950"s and 1960"s. And many Americans support the march【C11】______full and equal rights for all. 【C12】______when blacks see such racism as continuing, whites【C13】______to see it as a problem that has been more or less "solved". Many whites now believe that it"s anti-white bias that"s on a rise, to the point where it"s even more【C14】______than anti-black bias. Why would the perception of anti-white bias have increased【C15】______among whites, particularly in recent years The answer is still【C16】______. What is certain is that this【C17】______is a danger to the nation. In fact, for all the gains of the civil rights movement, blacks【C18】______among the poorest, most isolated and most unemployed of all Americans. But such reality is【C19】______to white fellow citizens who are【C20】______instead by fantasies of competitive victimhood. 【C18】
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