GRE英語寫作範文：Evolution of sleep
Sleepisveryancient.Intheelectroencephalographicsenseweshareitwithalltheprimatesandalmostalltheothermammalsandbirds:itmayextendbackasfarasthereptiles.Thereissomeevidencethatthetwotypesofsleep,dreaminga...
Evolution of sleep英語六級作文
sleepisveryancient.intheelectroencephalographicsenseweshareitwithalltheprimatesandalmostalltheothermammalsandbirds:itmayetendbackasfarasthereptiles.thereissomeevidencethatthetwotypesofsleep,dreamingan...