264. Scientists believe that unlike the males of most species of moth, the male whistling moths of Nambung, Australia, call female moths to them by the use of acoustical signals, but not olfactory ones, and they attract their mates during the day, rather than at night. (A) by the use of acoustical signals, but not olfactory ones, and they attract (B) by the use of acoustical signals instead of using olfactory ones, and attracting (C) by using acoustical signals, not using olfactory ones, and by attracting (D) using acoustical signals, rather than olfactory ones, and attract (E) using acoustical signals, but not olfactory ones, and attracting 1 平行 一级排除 A,B, E 大平行 +小平行 call …. 平行 attract,,acoustical signals平行 olfactory ones
2 逻辑意思 二级排除C Choice C distorts the meaning of the original with its suggestion that male whistling moths call female moths to them both by using acoustical signals and by attracting their mates during the day. The insertion of using in not using olfactory ones is unnecessary. 3简洁 In A, the phrase by the use of is unnecessarily wordy, and the insertion of they is not required.
Call召唤female moths 异性 Attract吸引their mates伴侣 Use使用acoustical signals听觉信号 前面两个显然并列, 第三个不并列
But not : 不是 Rather than: 不是,,而是, (含有别的东东是这个样子的意思) |