PARTI : choose the best option B, Cor D to complete the passage. 05 pts)
There are two man factors that make it difficul to overcome poverty in the countryside. Firs. there is a __ tendency__ to inherit one"s occupation.If a peron's panents work in agriauture, he will have chances to work in agriauture, and the income of many ___ farmers____ are very low . Another main problem is that families in the country side are usually _ large ______ Before machines ard modem technology are applied to farm work ; the farm family uesed children as workers .. but now __economic___ conditons have changed theu still remain lager families inducing several gennerations . the older members are __too old to___ work hard and the young men ge to the cites to look for jobs. Those who are left behind have an ever-greater burden bear