单项选择题

It is all very well to blame traffic jams, the cost of petrol and the quick pace of modern life, but manners on the roads are becoming horrible. Every body knows that the 62 men become monsters behind the wheel. You might tolerate the odd road hog (乱开车的司机), the rude and 63 driver, but nowadays the well-mannered motorist is the 64 to the rule. Perhaps the situation calls for a "Be Kind to Other Drivers" campaign, 65 it may get completely out of hand.
Road politeness is not only good manners, but good sense too. It takes the most cool-headed and good-tempered of drivers to 66 the temptation to revenge when subjected 67 uncivilized behavior. On the other hand, a little politeness goes a long way towards relieving the 68 of motoring. A friendly nod or a wave of acknowledgement in 69 to an act of politeness helps to create a(n) 70 of goodwill and tolerance so necessary in modern traffic conditions. But such acknowledgements of politeness are all too 71 today. Many drivers nowadays don’t even seem able to recognize politeness when they see it.
72 , misplaced politeness can also be dangerous. Typical examples are the driver who brakesv 73 to allow a car to emerge from a side street at some 74 to following traffic, when a few seconds later the road would be clear anyway; or the man who waves a child across a zebra crossing into the 75 of oncoming vehicles that may be unable to stop in time. The same goes for encouraging old ladies to cross the road wherever and whenever they care to.
A veteran driver, 76 manners are faultless, told me it would help 77 motorists learnt to filter correctly into traffic streams one at a time without causing the total blockages that give rise to bad tem per. 78 , modern motorists can’t even learn to drive, let 79 master the subtler aspects of roads manship. Years ago the experts warned us that the car-ownership 80 would demand a lot more give and-take from all road users, It is 81 time for all of us to take this message to heart.