百分班词汇题—Day4

21. It was not until the Cambrian period, beginning about 600 million years ago, that a greatproliferationof macroscopic species occurred on Earth and produced a fossil record that allows us to track the rise and fall of biodiversity.The word proliferationin the passage is closest in meaning to

45. These are actually made by pouring thin, finely controlled streams of colored sands or pulverized vegetable and mineral substances, pollen, and flowers inprecisepatterns on the ground.The word “precise” is closest in meaning to

75. In fact, the link between the two is so great that they are often referred tojointlyas ENSO (El Nino-Southern Oscillation).The word jointly in the passage is closest in meaning to

106.In the years to come,allianceswith the middle classes were to enable kings to weaken aristocratic interests and build the states that came to be called modern.The word alliances in the passage is closest in meaning to

109.Apparently, species-rich plots were likely to contain some drought-resistant plant species that grew better in drought years,compensating forthe poor growth of less-tolerant species.The phrase “compensating for” in the passage Is closest in meaning to