托福阅读词汇题—Part3

39. The environmental changes associated with thistransitionare not fully understood, but people living closest to the San Juan Mountains, to the northeast of Mesa Verde, were affected first.The word transition in the passage is closest in meaning to

52. The shift to increased mechanization in cotton production isapparent inthe import of raw cotton and the sale of cotton goods.The phrase apparent in in the passage is closest in meaning to

61. The period from 3000 to 1000 B.C.E., when the use of bronze becamewidespread, is normally referred to as the Bronze Age.The word “widespread” in the passage is closest in meaning to

73. Thus both factors can affect the cycle, which, in practice, seems to be generated by conjunctionof the two factors. The word conjunction in the passage is closest in meaning to

92. The effects of such competition aregraphicallydemonstrated when all the animals or all the plants in an ecosystem come into competition, as happened 2 million years ago at the end of Pliocene, when North and South America became joined by the Isthmus of Panama.The word graphically in the passage is closest in meaning to