某工厂一个车间有1台机床，有5个作业依次通过这台机床完成加工任务，此时作业需要满足在一定时间内完成（完工时间）的要求，完工时间与加工时间如下表所示。 根据最短加工时间法则SOT（SPT）来给作业排序并计算出平均流程时间，为（）
A.加工顺序E-C-A-B-D；平均流程时间7.8小时 B.加工顺序E-A-B-C-D；平均流程时间7.2小时 C.加工顺序E-C-A-B-D；平均流程时间7.5小时 D.加工顺序E-A-B-C-D；平均流程时间7.5小时
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As more and more material from other cultures became available, European scholars came to recognize even greater complexity in mythological traditions. Especially valuable was the evidence provided by ancient Indian and Iranian texts such as the Bhagavad-Gita and the Zend-Avesta. From these sources it became apparent that the character of myths varied widely, not only by geographical region but also by historical period.(46). He agreed that the relatively simple Greek myth of Persephone reflects the concerns of a basic agricultural community, whereas the more involved and complex myths found later in Homer are the product of a more developed society.Scholars also attempted to tie various myths of the world together in some way. From the late 18th century through the early 19th century, the comparative study of languages had led to the reconstruction of a hypothetical parent language to account for striking similarities among the various languages of Europe and the Near East. These languages, scholars concluded, belonged to an Indo-European language family. Experts on mythology likewise searched for a parent mythology that presumably stood behind the mythologies of all the European peoples.(47). Muller attributed all later myths to misunderstandings that arose from the picturesque terms in which early peoples described natural phenomena. For example, an expression like 'maiden dawn' for 'sunrise' resulted first in personification of the dawn, and then in myths about her.Later in the 19th century the theory of evolution, put forward by English naturalist Charles Darwin heavily influenced the study of mythology. Scholars researched on the history of mythology, much as they would dig fossil-bearing geological formations, for remains from the dies tan past.(48). In Primitive Culture (1871), Tyler organized the religious and philosophical development of humanity into separate and distinct evolutionary stages. Similarly, British anthropologist Sir James George Frazer proposed a three-stage evolutionary scheme in The golden bough. According to Frazer's scheme, human beings first attributed natural phenomena to arbitrary supernatural forces(magic),later explaining them as the will of the gods (religion), and finally subjecting them to rational investigation(science).The research of British scholar William Robertson Smith, published in Lectures on the Religion of the Semites (1989), also influenced Frazer. Through Smith's work, Frazer came to whom the annual cycles of vegetation were of central importance.(49). This approach reached its most extreme form. in the so-called functionalism of British anthropologist A. R. Radcliffe-Brown, who held that every myth implies a ritual, and every ritual implies a myth.Most analyses of myths in the 18th and 19th centuries showed a tendency to reduce myths to some essential core-whether the seasonal cycles of nature, historical circumstances, or ritual. That core supposedly remained once the fanciful elements of the narratives had been stripped away. In the 20th century, investigators began to pay closer attention to the content of the narratives themselves.(50).[A] German-born British scholar Max Muller concluded that the Rig-Veda of ancient India—the oldest preserved body of literature written in an Indo-European language-reflected the earliest stages of an Indo-European mythology.[B] The myth and ritual theory, as this approach came to be called was developed most fully by British scholar Jane Ellen Harrison. Using insight gained from the work of French sociologist Emile Durkheim, Harrison argued that all myths have their origin in collective rituals of a society.[C] Austrian psychoanalyst Sigmund Freud held that myths-like dreams-condense the material of experience and represent it in symbols.[D] This approach can be seen in the work of British anthropologist Edward Burnett Tyler.[E] The studies made in this period were consolidated in the wor
A.(46).B.ScholarsC.(47).D.LaterE.(48).F.TheG.(49).H.MostI.(50).[A]J.[B]K.[C]L.[D]M.[E]
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