SET电子支付模型中,采用()公钥算法,生成的数字摘要长度是()。
SET电子支付模型中,采用()公钥算法。
A.RSA
B.DES
C.IDEA
D.SHA
参考答案:A
—We were surprised to hear that the reason ________ she gave for her absence was ________ her mother was ill.
—Yes.We saw her mother was at the supermarket that morning.
A.why;that
B.which;that
C.that;because
D.why;because
有以下程序 main( ) { union{ unsigned int n; unsigned char c; }ul; ul.c=''A''; printf("%c\n",ul.n); } 执行后输出结果是( )。
A. 产生语法错
B. 随机值
C. A
D.65