иx(jng)
1. Typical of the grassland dwellers of the continent is the American antelope, or pronghorn.
Q磬ԓꑵ͵IJԭ(dng)
2. Of the millions who saw Haleys comet in 1986, how many people will live long enough to see it return in the twenty-first century?
1986꿴Ҋǵǧfˮ(dng)ж܉L(zhng)۵Ŀڶʮһo(j)Ļؚw?
3. Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions.
W(xu)҂ѽ(jng)l(f)F(xin)֑옷@涼(hu)֮ɫ@ȫǹͨ.
4. Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued.
ڱӌ(du)wд̼ãѲٱ(dng)õķ
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