Based on the text above, judge the items below. It is common knowledge that traffic lights nowadays do not work very well when traffic is heavy.
3 questões da prova Diversas 2013, com gabarito oficial conferido. As duas primeiras são gratuitas.
Based on the text above, judge the items below. It is common knowledge that traffic lights nowadays do not work very well when traffic is heavy.
Based on the text above, judge the items below. Even though Guangzhou is the largest city in southern China, its bad traffic is nothing but a legend.
Based on the text above, judge the items below. A controlled experiment indicated that the idea presented by two chinese researchers might be able to reduce the waiting time of cars on red lights.