A、reference
B、independence
C、interdependence
D、indifference
第1题:
A. Selection, projection, join
B. Difference, projection, join
C. Selection, intersection, join
D. Intersection, projection, join
E. Difference, projection, product
第2题:
A. Down, Init, 2 - Way, Exstart, Exchange, Loading, and Full
B. Down, Init, 2 - Wa y, Exchange, Exstart, Loading, and Full
C. Down, 2 - Way, Init, Loading, Exstart, Exchange, and Full
D. Down, 2 - Way, Init, Exchange, Exstart, Loading, and Full
E. Down, Init, 2 - Way, Loading, Exstart, Exchange, and Full
F. Down, 2 - Way, Init, Exstart, Exch ange, Loading, and Full
第3题:
___________
A. offer B. sacrifice C. promise D. difference
第4题:
A.Twop557016way1.9MHzmachines
B.Onep559032way1.65MHzmachines
C.Onep559532way1.65MHzmachines
D.Twop557016way1.65MHzmachines
第5题:
3.Is her lifestyle. the same as yours or ________? What are the________?
A. difference, different
B. different ,difference
C. different ,differences
D. difference , differences
第6题: