41.The molecular approach to detecting peptide hormones using cDNA probes should also be much faster than the immunological method because it can take years of tedious purifications to isolate peptide hormones and then develop antiserums to them. 来源:考试大
42.This succession was based primarily on a series of deposits and events not directly related to glacial and interglacial periods,rather than on the more usual modern method of studying biological remains found in interglacial beds themselves interstratified within glacial deposits. 来源:考试大
43.There have been attempts to explain these taboos in terms of inappropriate social relationships either between those who are involved and those who are not simultaneously involved in the satisfaction of a bodily need,or between those already satiated and those who appear to be shamelessly gorging. 来源:考试大
44.Many critics of Family Bronte’s novel Wuthering Heights see its second part as a counterpoint that comments on,if it does not reverse,the first part,where a "romantic" reading receives more confirmation.
45.Granted that the presence of these elements need not argue an authorial awareness of novelistic construction comparable to that of Henry James, their presence does(15) encourage attempts to unify the novel’s heterogeneous parts.