問題詳情

請依下文回答第 41 題至第 45 題:Climate change is having a significant effect on one of the biggest green turtle populations in the world. A studyshows that 99% of immature green turtles born in the northern part of Australia’s Great Barrier Reef are female.Among adult turtles, 87% are female. The result is 41 —rising temperatures have turned sea turtle populationfemale.The sex of a sea turtle is 42 by the temperature of the nesting environment. Warm temperatures producemore female hatchlings, and cooler temperatures produce more males. During the past two decades, temperatures innorthern Great Barrier Reef have increased to the point that virtually no male turtles are produced, 43 raises newconcerns over the immediate threats of climate change to the population’s future. Sea turtles, protected under theEndangered Species Act, are among the most ancient species roaming the oceans and have adjusted to shiftingclimates. Increasing numbers of females may 44 be a good thing for its population. The reproductive potentialcan be boosted. The problem, however, is that the modern climate appears to be changing faster than turtles can adjustto it. Species evolve 45 climate and other environmental changes, but they need time for that. According toresearchers of World Wildlife Fund Australia, setting up shade cloth to cool beaches might help, but the onlysustainable solution is to stop climate change.
41
(A) deceitful
(B) alarming
(C) prosperous
(D) thoughtful

參考答案

答案:B
難度:非常簡單0.9
統計:A(1),B(9),C(0),D(0),E(0)

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