人工授精技术可以减少因交配和公母畜接触传染疾病的传播。
A、正确
B、错误

单项选择题Why westerners celebrate Easter? A. Because the new year is coming soon. B. To celebrate the death and resurrection of JC. C. To celebrate the beginning of the new century. D. To celebrate the birth of the rabbits.

单项选择题荣威和宝骏都是上汽大众的自主汽车品牌