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题库 / Prep2007E2-SC-23
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.
by the use of acoustical signals, but not olfactory ones, and they attract
by the use of acoustical signals instead of using olfactory ones, and attracting
by using acoustical signals, not using olfactory ones, and by attracting
using acoustical signals, rather than olfactory ones, and attract
using acoustical signals, but not olfactory ones, and attracting
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C/D：考平行。do sth by …，rather than by…，and do sth during the day，rather than at night。
R：sb do sth by doing sth; W: sb do sth by sth；R:sb/sth was done by sb/sth，例外：i studied by candlelight
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