雅思课堂：写作中的议论文如何梳理思路？

some people think the best way to solve traffic congestions in cities is to provie free public transport 24 hours a ay, 7 ays a week. 

to what extent o you agree or isagree?

一些人认为解决城市交通拥堵的最好办法是提供免费的公共交通，每天24小时，每周7天。你在多大程度上同意或不同意?

这篇议论文比较简单，只是讨论一下交通拥堵的解决办法。但是，同学们要注意审题，出现the best, the only这些字眼的，在逻辑上通常是不能完全肯定的。另外，反对the best way的时候，最好给出其它的有效的解决办法。

introuction：仅靠提供全天免费的公交系统不够，还需要其它的措施。

boy 1: 这个方法的好处：吸引更多乘客，减少私家车数量。

boy 2: 坏处：公交系统服务质量不高，政府浪费大量财力，增加人民税收负担。

boy 3: 其它解决办法。

conclusion:重申观点

the solutions to the pressing issue of traffic congestions, especially in metropolis, have been a frequent topic of iscussion. however, 24/7 free public transport service woul not tackle this issue; therefore, other effective measures woul be in great nee.

theoretically, proviing 24/7 free public transport, like unergroun an bus, coul prouce some positive outcomes, among which stans out convenience. this means that commuters coul travel by any moe of public transport at any time. moreover, it is free of charge, which might slightly ease the financial buren on the poor or people of mile class. certainly, this woul attract more public transport users,so the number of private cars may be reuce consierably.

however, this approach woul exert more negative outcomes if it is carrie out. one main isavantage is the low-quality public service. by making it free of charge, public transport service woul, of course, egrae to a certain egree, since the vehicle will be crowe an even suffocating.. another problem is that few people woul use public transport at late night or in the very early morning; this woul be a great waste in terms of public funs. unoubtely, people＇s financial buren woul be heavier.

to solve traffic grilock, we nee to implement reasonable city roa plan. it is true that some traffic jam is cause by inappropriate city roa plan an construction. thanks to high technology, it is also possible to install cctv to make traffic forecast to rivers. other strategies coul exert significant effects, too, such as controlling an improving signal timing an restricting peak-hour curbsie park.

in conclusion, 24/7 free public transport woul not be an effective measure to resolve traffic congestion in the long term; hence other strategies nee to be implemente at the same time.

key wors

a pressing issue 一个迫切的问题

解决问题的表达：

aress/ tackle/ resolve/ the problem

24/7 service 全天24小时，一个星期每天的服务;在英国，可以用roun-the-clock service

执行,实施：carry out; implement

curbsie 路边

cctv：不是中央电视台的意思，而是指闭路电视

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