181. In some species of cricket, the number of chirps per minute used by the male for attracting females rise and fall in accordance with the surrounding temperature, and they can in fact serve as an approximate thermometer. A. for attracting females rise and fall in accordance with the surrounding temperature, and they can in fact serve. B. for attracting females rises and falls in accordance with the surrounding temperature, which can in fact serve C. in attracting females rise and fall in accordance with the surrounding temperature, in fact possibly serving. D. to attract females rises and falls in accordance with the surrounding temperature, and it can in fact serve. E. to attract females rises and falls in accordance with the surrounding temperature, in fact possibly serving. 答案d 请问species of cricket 中的 species的单复数? 觉得 , and it can in fact serve 这部分很别扭,但是其它选项差得更远。 |