問題詳情

IV. Cloze TestThough many stories from around the world describe behavioralchanges in various animals in the days and hours before an earthquake,research testing animals’ ability to predict earthquakes has been (28).Recently, however, scientists were able to document the behaviors of agroup of toads before, during, and after an earthquake. Researcherswere studying the breeding habits of a particular group of toads, when,suddenly, 96 percent of the males simply (29) for a five-day period. Asignificant earthquake and several aftershocks (30) on the fifth dayafter the departure. Six days after the last aftershock, the malesreturned and resumed mating, as if (31) had happened. It turns out thatprior to the earthquake, there had been subtle changes in the Earth’smagnetic field, and an increase in the amount of radon gas in thegroundwater. (32), there were unusual electrical disturbances in theupper atmosphere.
28.
(A) rare
(B) available
(C) undertaken
(D) released

參考答案

答案：A
難度：困難0.279621
統計：A(59),B(47),C(44),D(53),E(0)

內容推薦

內容推薦