6、hough great progress has been made in science these years, there1.___are still many people living in poor conditions. They make their lives 2.___by collecting and selling used thing. Their children cannot go to school3.__because they don’thave enough money to se
7、nd their children to there.4.__Why you think so many people still suffer from poverty now? 5.___The answer lies on the population explosion. A president 6.___of a developing country once said: “It is us who are to blame for7.___the poverty because we used to ‘pr
8、oduce’ child without limit.”8.___Although this few words sound simple enough, they have 9.___clear pointed out one of the causes of povertyisthe10.__population expl