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Rush hour traffic is a significant cause of air pollution. Huge numbers of vehicles are idle or move slowly in congested conditions. That leads to an increase in harmful emissions like carbon monoxide and nitrogen oxide. Moreover, traffic jams lead to excessive fuel consumption and higher carbon ...
四、用适当的内容补全对话。Jimmy: Look! How busy the traffic is! And what a bad smell it is producing!Alison: Yeah, the pollution is getting more and more serious. We are supposed to do something to protect/save (16) the environment.Jimmy: But we are just students. What can we do?
囫1 -Could you tell us ___? -Because the traffic is bad. A.f she comes late B.how does she come late C.why does she come late D.why she comes late 答案 优质解答相关推荐 1囫1 -Could you tell us ___? -Because the traffic is bad. A.f she comes late B.how does she come...
What proportion of internet traffic is generated by bots? Estimates vary. However, we can assume that bot referrals account for about 42% of all global web traffic, more than half of which belongs to “bad” bots. What Is Bot Traffic? Robots always visit the site — it’s just ...
aAs an example of how bad traffic jams now are, a hundred years ago it took about one hour to travel from Paramatta to the centre of Sydney (Australia) by horse and cart. Today it takes longer by car. As well as causing aggravation stationary traffic cause severe air pollution from exhau...
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In Los Angeles, drivers spend sixty-one hours every year stuck in traffic.These drivers know all too well how bad the traffic can be.“There're too many cars, and you can't move around a lot. Professor Cyrus Shahabi also knows about traffic jams.He l
How bad is selfish routing We consider the problem of routing traffic to optimize the performance of a congested network. We are given a network, a rate of traffic between each pair ... T Roughgarden,E. Tardos - IEEE Computer Society 被引量: 2013发表: 2000年 How bad is selfish routing ...
C.bad traffic conditions D.too many cars in his university 30.What is unique about ClearPath?A A.It helps drivers know the road conditions ahead of time. B.It can make sure that you will never be late for work. C.It helps drivers see clearly what happens on the road. ...