单选题：In "What do you think he likes?" what is __________ of the s

I hope that the little __________ I've been able to do has been of some use.

在计算机小采用二进制，是因为（　）。

回答第42空。

Dfuintkwx　 hubkmwvxo　ajutnkqsw

该市“十五”期间县域经济第二产业占三产业比重超过四分之一的比重有（　　）年。