Though great progress has
been made in science these years, there 1.________
are still many people living in poor conditions. They make
their lives 2.________
by collecting and selling used thing. Their children can’t go
to school 3.________
because they have not enough money to send 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 for 7.________
the poverty because we used to ‘produce’ child without limit.” 8.________
Although this few words sound simple enough, they have
9.________
clear pointed out one of the causes of the population
explosion. 10._______