下列条目中，属于数据库管理工具的是______。 I．加载工具 II．备份工具III．CASE 工具 IV．通讯接口工具 A: 只有 I 和 II B: 只有 I、II 和 III C: 只有 I、II 和 IV D: 都是

The case of noun are mainly ____________. A: accusative case B: dative case C: possessive case D: nominative case

Take this with you________you get into trouble. A: in case B: in the case C: in case of D: in no case

Be quiet ______ you wake the baby. A: in case of B: in any case C: in the case D: in case

______ fire, ring the alarm bell. A: In the case of B: In any case C: In no case D: In case of

Take your skates _____ you decide to go skating. A: in no case B: in case of C: in case D: in the case of

Write the telephone number down ____ you forget . A: in case of B: in case C: in a case D: in one case

case ,其中的表达式不正确的为( ) A: Case 100*a B: Case 0 To 100 C: Case Is<100 D: Case 0

下面程序段的输出结果是______。 int n= int n='c'; switch(n++) {default: printf("error"); break; case 'a': case 'A': case 'b': case 'B': printf("good"); break; case 'c': case 'C': printf("pass"); case 'd': case 'D': printf("warn"); }

多分支选择结构的Case语句，写法正确的是_______。 A: Case 1，5，7，9 B: Case 1 To 5 C: Case 5 To 1 D: Case Is