词汇题整理后450.docx
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1、45. The ensuing rapid expansion of irrigationagriculture, especially from the 1950s onward,transformed the economy of the region. continuing surprising initial subsequent53. If all of ones money is spent on clothes, theremay be none left to buy food or go to the movies.Similarly, a plant or animal c
2、annot squander all itsenergy on growing a big body if none would be leftover for reproduction, for this is the surest way toextinction. extend transform activate waste73. Several other mass extinctions in the geologicalrecord have been tentatively identified with largeimpacts, but none is so dramati
3、c as the Cretaceousevent. identified after careful study identified without certainty occasionally identified easily identified101. Turbulent waters tore into the hardened saltflats, broke them up, and ground them into thepebbles observed in the first sample taken by theChallenger. Fresh Deep Violen
4、t Temperate102. The source of Roman obsession with unityand cohesion may well have lain in the pattern ofRomes early development. thinking about fixation on interest in attitude toward 123. Because of the barrier of ice to the east, thePacific Ocean to the west, and populated areas tothe north, ther
5、e may have been a greater impetusfor people to move in a southerly direction. chance protection possibility incentive130. They could travel through the air, float inwater, and lie dormant for many months. hidden inactive underground preserved132. There are also sparsely distributed, highlynutritious
6、 fruits, and Bell found that only theThomsons gazelles eat much of these. widely thinly clearly freshly139. She began to address more ambitious themesin her dances such as The Sea, in which her dancersinvisibly agitated a huge expanse of silk, playedupon by colored lights. emerged from beneath creat
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