A．personB．personnelC．human beingD．persons
A. person
B. personnel
C. human being
D. persons
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A．ranksB．social levelC．statusD．honour
A. ranks
B. social level
C. status
D. honour
有如下程序： #include＜iostream＞ using namespace std; class Base
A. BBBfDD
BBDfDDDf
C. DD
DDBBBf
已知outfile是一个输出流对象，要想将outfile的文件指针定位到当前位置之前321字节处，正确的函数调用语句是
A. outfile.seekp(321,ios_base::cur);
B. outfile.seekp(321,ios_base::bge);
C. outfile.seekp(-321,ios_base::beg);
D. outfile.seekp(-321,ios_base::cur);
A．HumanitiesB．HumanityC．HumanD．Human subject
A. Humanities
B. Humanity
C. Human
D. Human subject
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