劳动者投保费与其工资总额之比为______。
A．用人单位投保费率B．总投保费率C．综合费率D．个人投保费率
参考答案：D
One of the greatest features of a home ______ is the ability to share one Internet connection simultaneously over two or more computers.
A．computer
B．device
C．network
D．work
提高酵母接种量，可减少高级醇和乙醛的生成量。
