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.

判断题 马克思认为，以往的哲学家们都是用不同的方式解释世界，而问题在于改变世界。()

未知题型 Which of the following is true of the text?A．There should be some correlations between economy and family.B．Economic depression is sure to have caused the social instability.C．If the economy grows fast, the lower-earning partners will claim more help.D．Economic growth depends upon the happy relationship between social members.