直接蔓延(dirrect extension)

Work life extension might be caused by

A:retraining of old people in modern skills. B:the trend toward early retirement. C:the expansion of agriculture and manufacturing industry. D:the declining younger labor force.

若有BUF DW 1，2，3，4则可将数据02H取到AL寄存器中的指令是 ( )

A:MOV AL，BYTE PTR[BUF+1] B:MOV AL，BYTE FFR[BUF+2] C:MOV AL，BYTE PTR[BUF+3] D:MOV AL，BUF[2]

根据AL 寄存器中的数据是否为奇数来决定是否转向目标地址的下列4 种方法中，哪一种不会改变AL 中的内容？（）

A:SHR AL,1 B:AND AL,1 C: D:

The extension of the time of shipment will facilitate our ______ the goods.

A:preparing B:preparedness C:readiness D:ready

The extension of the time of shipment will facilitate our ______ the goods.

A:preparing B:preparedness C:readiness D:ready

The extension of the time of shipment will facilitate ( ) the goods.

A:to prepare B:prepare C:preparation D:preparing