问两道阅读题

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36套的第5套的第一篇长阅读的最后两题，答案是CE，我选EC……

4. It can be inferred from the passage that one way
in which many of the early researchers on grazer
control could have improved their data would
have been to
(A) emphasize the effects of temperature, rather
than of light, on phytoplankton
(B) disregard nannoplankton in their analysis of
phytoplankton numbers
(C) collect phytoplankton of all sizes before
analyzing the extent of phytoplankton
concentration
(D) recognize that phytoplankton other than net
phytoplankton could be collected in a net
(E) understand the crucial significance of net
phytoplankton in the diet of zooplankton



5. According to the passage, Hargrave and Geen
did which of the following in their experiments?
(A) They compared the grazing rates of
individual zooplankton species in the
laboratory with the natural grazing rates
of these species.
(B) The hypothesized about the population
density of grazers in natural habitats by
using data concerning the population
density of grazers in the laboratory.
(C) They estimated the community grazing rates
of zooplankton in the laboratory by using
data concerning the natural community
grazing rates of zooplankton.
(D) They estimated the natural community
grazing rates of zooplankton by using
data concerning the known population
density of phytoplankton.
(E) They estimated the natural community
grazing rates of zooplankton by using
laboratory data concerning the grazing
rates of individual zooplankton species