“大学生”与“共青团员”两个概念之间是()
A.真包含关系
B.真包含于关系
C.交叉关系
D.反对关系
参考答案:C
After that, he knew he could ___any emergency by doing what he could to the best ofhis ability. [ ]
A. get away with
B. get on with
C. get through
D. get across
回交可以在杂种后代中()。
A.加强轮回亲本优良性状
B.加强非轮回亲本优良性状
C.加强母本优良性状
D.加强父本优良性状