[单选题]A. searching B strolling C crowding D wandering
[单选题]Lisa was busytaking notes _____Mark was searching the Internet for the info
[单选题]The thief [dispersed]the papers all over the room while he was searching fo
[单选题]Despite years of searching, scientists have detected no signs of life beyon
[单选题]The computer system()suddenly while he was searching for information on the
[单选题]化简(A-B-C) ∪(A-B) ∩C) ∪(ANB-C) ∪(A∩B∩C) =(62)。A.A∩BB.B∩CC.AD.B
[单选题]模式R({A,B,C},{(A,C)→B,(A,B)→C,B→C})属于最高范式的是(43)。A.1NFB.2NFC.3NFD.4NF
[单选题]有如下程序: a=1:b=2:c=3 a=a+b:b=b+c:c=b+a If a<>3 Or b<>3 Then a=b-a:b=C-a:C=b+a End If Print a+b+c 运行后,输出的结果是( )。A.16B.3C.6D.8
[问答题]设(a×b)·c=2,则[(a+b)×(b+c)]·(c+a)=--------------.
[问答题]设(a×b)·c=2,则[(a+b)×(b+c)]·(c+a)=--------------.