【单选题】Women earn less than men do. For example, in 1998 the hourly wages of women in the U. S. were 26% less than those of men. The gap between male and female incomes becomes wider with age. The gap betwee...
A.
young men and young women
B.
young women in the same industry
C.
middle-aged men and middle-aged women
D.
middle-aged women in the same industry
【单选题】True or false? South Korea has minor differences in terms o f wages for both men and women.
【单选题】关于交流电的有效值,下列说法正确的是
C.
最大值为311V的正弦交流电压,就其热效应而言,相当于一个220V的直流电压
D.
最大值为311V的正弦交流电,可以用220V的直流电代替
【单选题】关于交流电的有效值,下列说法正确的是:
C.
最大值为311V的正弦交流电,就其热效应而言,相当于一个220V的直流电
D.
最大值为311V的正弦交流电,可以用220V的直流电代替
【单选题】关于交流电的有效值,下列说法正确的是
C.
最大值为311V的正弦交流电压,就其热效应而言,相当于一个220V直流电压
D.
最大值为311V的正弦交流电,可以用220V的直流电替代
【单选题】Women earn less than men do. For example, in 1998 the hourly wages of women in the U. S. were 26% less than those of men. The gap between male and female incomes becomes wider with age. The gap betwee...
A.
young men and young women
B.
young women in the same industry
C.
middle-aged men and middle-aged women
D.
middle-aged women in the same industry