第1题:
If you go home late,you should tell your ( ) about it.
A. father and mother
B.teachers
C. children
D. classmates
第2题:
第3题:
第4题:
What is the relationship between the two speakers?
A. Couple
B. Friends
C. Classmates
第5题:
第6题:
如果定义谓词love(x,y)表示某一个人x喜爱运动项目y,那么以下表示“每个人都有自己喜爱的运动项目”知识的谓词公式是?
A.("x)($y)love(x,y)
B.($y)("x)love(x,y)
C.($x)("y)love(x,y)
D.("y)($x)love(x,y)