请帮分析一下这个句子中的2个from,还有affected为什么成分?The extreme seriousness of desertification results from the vast areas of land and the tremendous numbers of people affected,as well as from the great difficulty of reversing

请帮分析一下这个句子中的2个from,还有affected为什么成分?The extreme seriousness of desertification results from the vast areas of land and the tremendous numbers of people affected,as well as from the great difficulty of reversing 请帮我看一下这个电路中的问题.（分析) 分析一下这个句子请把我分析一下这个句子的成分,there was a slight trembling sound from below. it's quite different from the one I bought for you yesterday.这里the one能不能换that?为什么?请帮我分析一下这个句子的结构 请帮我分析一下这个托福中的句子Missing until recently were fossils clearly intermediate,or transitional,between land mammals and cetaceans.句子的结构是什么? The bus comes here.请帮我分析一下这个句子的结构,划分句子成分. 请帮我分析一下这个句子?The problem is easily to be solved It will gradully disappear （ ） time passing thing 这是.语法填空中的题,填with.请帮我分析一下这个句子及中文意思, The cut on his finger from when he was cooking left a scar.请分析一下这个句子的结构 怎样判断一个句子中的主语,宾语,请高手帮忙分析一下这个句子的结构,主语,宾语,宾语补足语什么的seen from the hilltop ,the lake scenery is beyond description 请帮我分析一下句子,Yesterday you said tomorrow 请帮我分析一下下面句子中informing这个分词是作什么句子成分,I have just received a letter from my old school,informing me that my former headmaster,Mr Strart Page,will be retiring next week. 请帮我分析一下现代汉语中的省略句 请从语法角度（主 谓 宾）帮我分析一下这个句子,I think she is very ugly. This would prevent U from the infection of bacteria.请英语老师分析一下这个句子的成分 主要是from the infection of bacteria.不太懂 红外光谱分析,请帮我分析一下这个高聚物 请帮我分析一下 渺小 这个词语 谁帮我分析一下这个句子?我总觉得是个病句.革命人永远是年轻