短文改错（共10小题；每小题1分，满分10分）
1. 请按标准格式改错，每处错误及其修改均限一词。
2. 只允许修改10处，多者（从第11处起）不计分。
Though great progress has made in science these years, there
are still many people lived in poor conditions. They make their living
by collecting and selling used thing. Their children cannot go to school
because they have no enough money to send their children to there.
Why you think so many people still suffer from poverty now?
The answer lies on the population explosion. A president of a developing
country once said: “It is us who are to blame for the poverty because we used to
produce child without limit.” Although these few words sound simple enough,
but they have clear pointed out one of the causes of the population explosion.has∧Been
网友回答
(答案→)has∧Been
解析：
【小题1】本句为被动语态，指进步被取得
【小题2】因people与live构成主动关系用现在分词短语修饰名词people
Though great progress made in science these years, there
【小题3】指用过的东西，使用复数形式
【小题4】there是副词，前面不需要用介词
【小题5】这是一个特殊疑问句，特殊疑问词后面使用一般疑问的形式，且do you think是插入语
【小题6】固定词组lie in在于
【小题7】本题是强调句型，强调的是主语we,us是宾格，不能做主语
【小题8】使用复数形式表示我们的孩子们
【小题9】although不能与but连用
【小题10】用副词修饰动词point,做状语