GRE Logical Reading: ETS-GRE逻辑单题ETS - HDNVZ9GQF1D36Z2GK$

Husbands of wage-earning women spend, on the average, the same amount of time on housework as do husbands of women who do not earn wages: eleven hours per week. Husbands of wage-earning women perform household tasks on more occasions than do husbands of women who do not earn wages.