PTK is used to __________.
[A]locate one’s birth place
[B]promote genetic research
[C] identify parent-child kinship
[D] choose children for adoption
第1题:
已知学生记录描述为: struct student { int no; char name[20],sex; struct { int year,month,day; } birth; }; struct student s; 设变量s中的“生日”是“1984年11月12日”,对“birth”正确赋值的程序段是( )。
A.year=1984;month=11;day=12;
B.s.year=1984;s.month=11;s.day=12;
C.birth.year=1984;birth.month=11;birth.day=12;
D.s.birth.year=1984;s.birth.month=11;s.birth.day=12;
第2题:
有以下程序
#include<stdio.h>
#include<string.h>
main( )
{char str[][20]={“Qne*World”,“one*Dream!”},*P=str[1 ].
prinff(“%d,”,strlen(p));printf(“%s\n”,P); ’
}
程序运行后的输出结果是
A.9,One*World S)9,One*Dream!
B.10,One*Dream!
C.10,One*World
第3题:
A.Memory requirements are higher for shared distribution tree than for source distributiontree.
B.Creates a tree from a central RP to all last-hoprouters.
C.Uses a rendezvous point.
D.An optimal path is created between each source router and each last-hoprouter.
E.Place(S,G)entry in each router’smulticast routing table.
F.Place(*,G)entry in a router’smulticast routing to table.
第4题:
A、a,an
B、a,one
C、on,an
D、one,one
第5题:
A.Memoryrequirementsarehigherforshareddistributiontreethanforsourcedistributiontree
B.CreatesatreefromacentralRPtoalllast-hoprouters
C.Usesarendezvouspoint
D.Anoptimalpathiscreatedbetweeneachsourcerouterandeachlast-hoprouter
E.Place(S,G)entryineachrouter’smulticastroutingtable
F.Place(*,G)entryinarouter’smulticastroutingtotable
第6题:
已知学生记录描述如下,设变量s中的“生日”应是“1984年11月11日”,下列对生日的正确赋值方式是()。 struct student{ int no; char name[20]; char set; struct{ int year; int month; int day; } birth; }; struct student s;
A.year=1984;month=11;day=11;
B.birth.year=1984; birth.month=11; birth.day=11
C.s.year=1984;s.month=11;s.day=11
D.s.birth.year=1984;s.birth.month=11; s.birth.day=11;