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【单选题】
有如下程序： #include ＜iostream＞ #include ＜iomanip＞ using namespace std int main() { cout.fill('*') cout ＜＜ left ＜＜ setw(4) ＜＜ 123 ＜＜ 'OK' ＜＜ endl return 0 }A.
123*OK
B.
123*OK**
C.
*123OK
D.
*123**OK
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【单选题】Microsoft's COM is a software（1）that allows applications to be built from binary software components. COM is the underlying architecture that forms the foundation for higher-level software services, l...
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