解析:推理判断题。根据末段的“Theyhavebeenrecognizedasanendangeredspeciessince1972becauseofpoaching(偷猎)andtheillegaltradingoffurandbodyparts...”可推断,停止使用它们的皮毛以及用它们的身体部位制成的药可以达到保护它们的目的。
5.
B
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).That’s a move similar to what Texas A & M University researchers have been undertaking for the past five years in a project called “Noah’s Ark”.
Noah’s 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.Duane Kraemer,a professor in Texas A & M’s College of Veterinary Medicine,says there would be enough of the basic building blocks to reintroduce the species in the future.
It is estimated that as many as 2,000 species of mammals,birds reptiles will become extinct in over 100 years.The panda,native only to China,is in danger of becoming extinct in the next 25 years.
This week,Chinese scientists said they grew an embryo by introducing cells from a dead female panda into the egg cells of a Japanese white rabbit.They are now trying to implant the embryo into a host animal.
The entire procedure could take from three to five years to complete.
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