問題詳情

編號第 22 題至第 25 題為篇章結構，各題請依文意，從四個選項中選出最合適者，各題答案內容不重複。      Because of unforgivable carelessness and cover-ups, several species of fauna and flora have undergone changesoutside their normal behavior. 22 As a result of extensive war measures, large quantities of radioactive materialshave been dumped into this area. The consequences produced by these materials, when in touch with a living organism,are unpredictable. For example, the clownfish in the Borneo area are losing their immunity to the defensive extracts ofcertain plants in the area, thus breaking the symbiotic relationship these animals and plants have shared forcenturies. 23      Last year the first serious omen of disaster was spotted near the Atlantic coast of Northern America. 24 Thehumpback whale in question had fins as large as the rest of its body. This species lives solely on plankton and hasstarted to grow teeth as a result of changes in the gene pool induced by radioactive plankton. The teeth are uncannilysimilar to the teeth of a great white shark, except for being five times larger. 25 Whereas these whales once were 12meters long, they now reach a length of 15 meters.
22
(A) The genes of a species of whales were mutating.
(B) In addition, certain species of whales have accelerated their growth.
(C) Obvious examples are the changes in the fish population around Borneo in the Pacific.
(D) Some animals have changed their genes so radically that they have to be classified as a new species.

參考答案

答案：C
難度：適中0.46875
統計：A(3),B(9),C(15),D(4),E(0)

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