78. As it is with traditional pharmacies, online drugstores rely on prescriptions to be successful, since it is primarily prescriptions that attract the customers, who then also buy other health-related items.
A. As it is with traditional pharmacies, online drugstores rely on prescriptions to be successful
B. As with the case of traditional pharmacies, online drugstores rely on prescriptions to have success
C. As is the case with traditional pharmacies, prescriptions are the cornerstone of a successful online drugstore
D. As traditional pharmacies, so online drugstores rely on prescriptions to be successful
E. Like traditional pharmacies, the cornerstone of a successful online drugstore is prescriptions
131. Exceeding even the figures predicted by the most optimistic financial analysts, the automobile company had earnings in the first quarter that more than doubled the previous quarter.
A. company had earnings in the first quarter that more than doubled
B. company earned more than double in the first quarter what they were in
C. company had first quarter earnings that more than doubled those in
D. company's earnings in the first quarter were more than double
E. company's earnings in the first quarter were more than double those of
151. Australian embryologists have found evidence that suggests that the elephant is descended from an aquatic animal, and its trunk originally evolved as a kind of snorkel.
A. that suggests that the elephant is descended from an aquatic animal, and its trunk originally evolved
B. that has suggested the elephant descended from an aquatic animal, its trunk originally evolving
C. suggesting that the elephant had descended from an aquatic animal with its trunk originally evolving
D. to suggest that the elephant has descended from an aquatic水生的animal and its trunk originally evolved
E. to suggest that the elephant is descended from an aquatic animal and that its trunk originally evolved
D: descended需要被动
E: correct
157. In the mod-1920s the Hawthorne Works of the Western Electric Company was the scene of an intensive series of experiments that would investigate changes in working conditions as to their effects on workers’ performance.
A. that would investigate changes in working conditions as to their effects on workers’ performance
B. investigating the effects that changes in working conditions would have one workers’ performance
C. for investigating what the effects on workers’ performance are that changes in working conditions would cause
D. that investigated changes in working conditions’ effects on workers’ performance
E. to investigate what the effects changes in working conditions would have on workers’ performance
B: correct
红字为正确答案,但我都不太明白,也觉得有的有些问题。大家讨论讨论好吗?