Mixing plant species is how we've g The underlind word “crossbreeding” in the first paragraph means ( ).
选项:
A: raising new plants or animals with the help of man
B: cultivating plants or animals in a better environment
C: changing the gene of a plant or animal
D: breeding new strains of plants or animals from genetically different individuals
发布时间:2024-06-13 21:28:52