4.Although Gutman admits that forced separation by sale was frequent，he shows that the slaves' preference，revealed most clearly on plantations whe...
8. Such variations in size， shape，chemistry， conduction speed， excitation threshold，and the like as had been demonstrated in nerve cells remained negl...
12.The physicist rightly dreads precise argument，since an argument that is convincing only if it is precise loses all its force if the assumptions on ...
16.Is this a defect，or are the authors working out of，or trying to forge，a different kind of aesthetic？这究竟是一种缺陷呢，或者是否表明，这些作者是在按照一种与众不同的美学体系进行创作，抑或是在试图...
21.Studies by Hargrave and Geen estimated natural community graz-ing rates by measuring feeding rates of individual zooplankton species in the laborat...
25.In the early 1950's，historians who studied preindustrial Europe （which we may define here as Europe in the period from roughly 1300 to 1800） be...
29.Islamic law is a phenomenon so different from all other forms of law-notwithstanding，of course，a considerable and inevitable number of coincidences...
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...
39.The very richness and complexity of the meaningful relationships that kept presenting and rearranging themselves on all levels，from abstract intell...
43.There have been attempts to explain these taboos in terms of inappropriate socialrelationships either between those who are involved and those who ...