▶ Your Answer :
The speaker casts doubts the idea of reading passage that smart cars are very useful.
First of all, according to the reading, smart cars allow the number of car accidents decrease because they can monitor different situations at the same time and monitor as soon as possible. However, the speaker maintains that smart cars cannot discern people, that is to say, they can detect only cars not people. Accordingly, they make serious car accidents.
Secondly, the speaker rebuts the idea of reading that smart cars improve traffic condition by finding the fastest route where they should go and communicating with other smart cars. That is because more comfortable drivers drive cars, more people drive instead of using public transportation. The traffic condition cannot be improved because the increase in the number of cars on the road.
Thirdly, the writer mentions that the cost of maintaining cars will be decreased because smart cars can find fast route, which mean they move shorter miles and less worn than they do not use smart cars. However, the speaker argues that most of facilities such as GPS and wireless used in the smart cars are very expensive, and the cost of repairing them is very high because they require a very specialist to fix them.
In conclusion, the speaker contradict the idea that smart cars very helpful for people.
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