精选优质文档-倾情为你奉上高考英语阅读理解专项训练科技类(1)With only about 1, 000 pandas left in the world, China is desperately trying to clone(克隆) the animal and save the endangered species(物种). Thats a move similar to what a Texas A & M University researchers have been undertaking for the past five years in a project called “Noahs Ark”. Noahs Ark is aimed at collecting eggs, embryos(胚胎), semen and DNA of endangered animals and storing them in liquid nitrogen. If certain species should become extinct, Dr
