2014年GRE考试阅读模拟试题5_GRE阅读

2014年GRE考试阅读模拟试题5

　　3. The author would be likely to agree withwhich of the following statements regardingthe pressure of grazers on phytoplanktonnumbers?

　　A Grazing pressure can vary according to theindividual type of zooplankton.

　　B Grazing pressure can be lower in nutrient-poor lakesthan in bog lakes.

　　C Grazing tends to exert about the samepressure as does temperature.

　　4. It can be inferred from the passage that one wayin which many of the early researchers on grazercontrol could have improved their data wouldhave been to_____

　　 emphasize the effects of temperature, ratherthan of light, on phytoplankton

　　 disregard nannoplankton in their analysis ofphytoplankton numbers

　　 collect phytoplankton of all sizes beforeanalyzing the extent of phytoplanktonconcentration

　　 recognize that phytoplankton other than netphytoplankton could be collected in a net

　　 understand the crucial significance of netphytoplankton in the diet of zooplankton

　　5. According to the passage, Hargrave and Geendid which of the following in their experiments?

　　 They compared the grazing rates ofindividual zooplankton species in thelaboratory with the natural grazing ratesof these species.

　　 The hypothesized about the populationdensity of grazers in natural habitats byusing data concerning the populationdensity of grazers in the laboratory.