A:区域统一的世界
B:多元并存的世界
C:欧美协作的世界
D:欧俄均衡的世界
Hello,I am Judy.In summer I like wearing a____.It is cool.In autumn I like wearing ____.I like hopping and jumping.In winter I like wearing a____.Because it is warm.What do you like,Jim? I like wearing sport____every day. Because I like running.How about you,Alice? I like____.This Sunday I will buy it.
进行有性生殖时,亲子代之间传递遗传物质的“桥梁”是( )