未知题型 According to Virpi Lummaa and her colleagues, women with twin brothersA．encounter more difficulties in getting married than only-child women.B．raise two more children during their lifetime than women with a twin sister.C．enjoy a much shorter longevity than women whose female twins died early.D．present a reproduction rate a quarter less than those with a female twin.

判断题 被称为“组织理论之父”的是法约尔。()

未知题型 By referring to the middle earners, the author intends to show thatA．some couples would like to spend life together even if they break up.B．they are forced to consider economic situations after the divorce.C．the link between divorce and money is as evident as in the cases of rich couples.D．they are faced with different problems compared with wealthy classes.