GRE阅读高频机经原文：Maya文明 35. Maya文明 Most of the animals which feed on the fruit of B. alicastrum eat the seed as well, and, therefore, function more as seed predators than as dispersal ag ...
GRE阅读高频机经原文：蓝脱序星的两种形成过程 34. 蓝脱序星blue straggler的两种形成过程 Vampires and collisions rejuvenate stars Using the NASA/ESA Hubble Space Telescope, astronomers have uncov ...
GRE阅读高频机经原文及试题：蝙蝠的回声定位 33. 蝙蝠的回声定位 Echolocating bats emit sounds in patterns—characteristic of each species—that contain both frequency-modulated (FM) and constant-fr ...
GRE阅读高频机经原文及试题：海底火山生物 32. 海底火山生物 The deep sea typically has a sparse fauna dominated by tiny worms and crustaceans, with an even sparser distribution of larger animals. H ...
GRE阅读高频机经原文：星系吞食 31. 星系吞食 Galactic cannibalism refers to the process by which a large galaxy, through tidal gravitational interactions with a companion, merges with that companion ...
GRE阅读理解真题核心句子总结2 11. We know that you have a high opinion of the kind of learning taught in your colleges, and that the costs of living of our young men, while with you, would be very e ...
