With the economy of China has been developing very fast, more cars do benefit the families

With the economy of China has been developing very fast, more cars do benefit the families as well the society in many ways. With a car, it is convenient for the family members to travel to and from work. They can also drive to the countryside on the weekends. At the same time, the development of motor industry will sure give a push to many other related industries, it is obviously beneficial to the social economy. In the other hand, the boom of private cars is also causing traffic and environmental problems. Waste gas from cars are causing serious pollution to the air, which do great harm to people’s health. With an increase number of cars on the roads, the traffic has become very heavily.with改为as

(答案→)with改为as 解析：答题中注意句子中人称和数是否一致，时态是否一致。各种词性之间的区别以及一些常用句型，固定短语的应用。一般的这类题型不会出现太复杂的单词和句子，这类题型考查的就是我们的基础知识。平时应注重积累，熟记一些句型及惯用结构。【小题1】with改为as with表示“随着”的时候后面不能接句子，只能接短语。As后面可以接句子。【小题2】well后面加as 固定搭配as well as…和…；汽车队家庭和社会在很多方面带来好处。【小题3】去掉the 本句不需要使用the表示特质。On weekends就指在周末。【小题4】sure改为surely 应该使用副词surely修饰谓语动词，做状语。【小题5】it改为which 本句是一个定语从句，which指代前面一句话的内容再句中做主语。It不能引导定语从句。【小题6】In改为on 固定搭配on the other hand另一方面、【小题7】are改为is 本句的主语是waste gas是一个不可数名词，谓语动词使用单数修饰。【小题8】do改为does 本句中的which指代前面一句话的内容作句子的主语，谓语动词使用单数修饰。【小题9】increase改为increasing 本句中的increasing是一个形容词，指越来越多的。Increase是一个动词，不能修饰名词。【小题10】heavily改为heavy本句中的become是一个系动词，后面要接形容词构成系表结构。

这个答案应该是对的