雅思阅读真题(Part 2)
Part 2 · 考频:中频 · 最近考试:2026.8.22/2017.12.9
Rain forest trees growing anew on Central American farmland are helping scientists find ways for monkey and agriculture to benefit one another.
A
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答案:C
原文定位:In younger forests, trees put most of their limited energy into growing wood, leaves, and fruit, so they produce much lower levels of toxin than do well-established, old-growth trees
答案:G
原文定位:We’re moving away from that vision and beginning to consider ways in which commercial activities may become a tool for the conservation of primates in human-modified landscapes
答案:E
原文定位:Watching generations of howlers at La Pacifica has shown Glander that the monkeys keep their systems primed by sampling a variety of plants and then focusing on a small number of the most nutritious food items
答案:B
原文定位:In the 18th century, tropical dry forests once covered most of Central America, but by the 1980s less than two percent remained undisturbed, and less than one percent was protected
答案:reproduction
原文定位:Howler reproduction is faster than that of other native monkey species
答案:fruit
原文定位:They eat fruit when it is available but, unlike capuchin and spider monkeys, do not depend on large areas of fruiting trees
答案:toxins
原文定位:Glander is particularly interested in howlers’ ability to thrive on leaves loaded with toxins- poisonous substances designed to protect the plants
答案:drought
原文定位:This ability gives them a real advantage over capuchin and spider monkeys, which have suffered during the long, ongoing drought in the area
答案:Santa Rosa National Park
原文定位:But in 1971 the government protected the area by designating it a National Park, and species of Indigenous trees which had been absent for decades began to invade the abandoned pastures
答案:Cholula Cacao Farm
原文定位:This strange habitat seems to support about as many monkeys as would a same-sized patch of wild forest. The howlers eat the leaves and fruit of the shade trees, leaving the valuable cacao pods alone
答案:Cholula Cacao Farm
原文定位:Estrada believes the monkeys bring underappreciated benefits to such plantations, dispersing the seeds of fruits such as fig and other shade trees, and fertilizing the soil
答案:Hacienda La Pacifica
原文定位:Hacienda La Pacifica, a remote working cattle ranch in Guanacaste province of northern Costa Rica, has for decades been home to a community of mantled howler monkeys. Other native primates- white-faced capuchin monkeys and spider monkeys were once common in this area, too... At Hacienda La Pacifica, however, an enlightened ranch owner chose to leave some strips of native trees growing
答案:Hacienda La Pacifica
原文定位:Other native primates- white-faced capuchin monkeys and spider monkeys were once common in this area, too, but vanished after the Pan-American Highway was built nearby in the 1950s and most of the surrounding land was cleared for cattle-raising