78.In experiments，an injection of cytoplasm from dextral eggs changes the pattern of sinistral eggs，but an injection from sinistral eggs does not infl...
73.Such philosophical concerns as the mind-body problem or，more generally，the nature ofhuman knowledge they believe，are basic human questions whose te...
67.In which of the following does the author of the passage reinforce his criticism of responses such as Isaacs' to Raisin in the Sun？题干圈套 68.Inhe...
63.It was not the change in office technology，but rather the separation of secretarial work，previously seen as an apprenticeship for beginning manager...
59.While the new doctrine seems almost certainly correct，the one papyrus fragment raises the specter that another may be unearthed，showing，for instanc...
53.Thus，what in contrast to the Puritan colonies appears to Davis to be peculiarly Southern- acquisitiveness，a strong interest in politics and the law...
48.Moreprobableisbirdtransport，eitherexternally，byaccidentalattachmentoftheseedstofeathers，orinternally，bytheswallowingoffruitandsubsequent excretiono...
43.There have been attempts to explain these taboos in terms of inappropriate socialrelationships either between those who are involved and those who ...
39.The very richness and complexity of the meaningful relationships that kept presenting and rearranging themselves on all levels，from abstract intell...
33.It is one of nature's great ironies that the availability of nitrogen in the soil frequently sets an upper limit on plant growth even though th...