OG 10-第5篇 简述-胚胎分离 P328-25. It can be inferred from the passage that the morphogenetic determinants present in the early embryo are
(C) inactive until the embryo cells become irreversibly committed to their final function
(E) present in larger quantities than is necessary for the development of a single individual
答案为E。原文31行-“In the unfertilized egg, the substances are inactive and are not distributed homogeneously. When the egg is fertilized, the substances become active and, presumably, govern the behavior of the genes they interact with.” 这不就是C的改写吗?E实在是很难推理,我首先排除的就是E。
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OG 10-第16篇 简述-相关产品联合取得竞争优势
P351-99. The alignment of producers of VHS-format VCR’s with producers of prerecorded videotapes is most similar to which of the following? (B) The alignment of an automobile manufacturer with an automotive glass company whereby the manufacturer agrees to purchase automobile windshields only from that one glass company (C) The alignment of an automobile manufacturer with a petroleum company to ensure the widespread availability of the fuel equired by a new type of engine developed by the manufacturer.
答案是C。我搞不清BC的区别
[此贴子已经被作者于2007-7-27 17:02:30编辑过] |