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高普考/三四等/高員級◆英文題庫下載題庫

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       When provided with continuous nourishment, trees, like people, grow “complacent”—the word tree-ring scientists use to describe trees like those on the floor of the Colorado River Valley, whose roots tap into thick reservoirs of moist soil. Complacent trees aren’t much use for learning about climate history, because they pack on wide new rings of wood even in dry years. To find trees that feel the same climatic pulses as the river, trees whose rings widen and narrow from year to year with the river itself, scientists have to climb up the steep, rocky slopes above the valley and look for gnarled, ugly trees, the kind that loggers ignore. For some reason such “sensitive” trees seem to live longer than the complacent ones. “Maybe you can get too much of a good thing,” says Dave Meko, a tree-ring scientist who has been studying the climate history of the western United States for decades. Tree-ring fieldwork is hardly expensive, but during the relatively wet 1980s and early ’90s, Meko found it difficult to raise even the modest funds for his work. “You don’t generate interest to study drought unless you’re in a drought,” he says.
【題組】47 According to this passage, which kind of trees is Dave Meko’s ideal study subject?
(A) Trees whose roots tap into rich reservoirs of moist soil.
(B) Lush trees growing on the floor of the Colorado River Valley.
(C) Trees that are ideal for loggers.
(D) Gnarled and ignored trees growing on the steep, rocky slopes above the valley.


答案:D
難度: 簡單
最佳解!
持續有進步,但就是差那麼一 博一下 (2019/04/28)
根據這段文章,哪種樹是Dave Meko...


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