指令SUB[BX+DI+3456Hl CX的机器码最后8位为( )。
A.10010001B
B.01010110B
C.00110100B
D.0100010lB
参考答案:C
Without electricity human life ________ quite different today.
A.is
B.will be
C.would have been
D.would be
奠定儿童人格和心理健康基础的外在因素是( )
A.自然环境
B.家庭
C.学校
D.社会文化