My 16-year-old son, Anton, had gone to the local swimming hole. Most of the kids swim there, and there are plenty of rocks for them to use as safe harbors, so I had no fears for his safety. Still, the firefighter's first words "You need to come up here to the Stillwater River" made me catch my breath, and his follow-up words gave me relief: " Your son is OK." When I got to the river, I immediately saw the firetruck, ambulance and Anton, wrapped with a towel about his shoulders, sitting quietly on a low platform of the fire engine. I hurried over to him. "You OK?"I asked. "Yeah," was all he said. But my eyes begged for an explanation, I didn't get it from my son, however, _ . The story was this: A woman was being swept under water. Hearing the cries, Anton and his friend Tyler, without hesitation, swam out to her, and brought her safely to shore. In an age in which the word "hero" is broadcast with abandon and seemingly applied to anyone who make it through the day, I realized the real thing in my son. The teens are stubborn and self-centred, but that didn't mean they have no desire to do good. Still shocked by my son's daring, I drove him home. Along the way, I tried to dig out some more information from him - but he had precious little to say. The only words he said were, "What's for supper?" I spent some time alone that evening, thinking about the tragedy that might have been. The next morning, when Anton got up, I half expected him to tell me the story. But all he did was toast some bread, pull himself together, and head for the door to start a new day. Watching from the window,1 was reminded that still water often runs deep. In the mother's eyes, what her son did was A) dangerous but interesting B) unexpected and courageous C) meaningful but difficult D) awful and absurd
C
(Question)
"Particulate Matter 2.5(PM2.5 for short)"is now ,it seems, officially an enemy of the people.The harmful,tiny pieces of matter,up to 2.5 microns in diameter, are too small to be seen by the naked eye.So they can be easily breathed into the lungs of people and do harm to people's health.With the issue of pollution so heatedly discussed,some people are wondering what possible solutions might be on the way. _ might very well be a renewed effort to kick-start the electric car industry.Some reports suggest that the use of bakery cars should be expanded from the present five cities to 20 more. But so far no country in the world has succeeded in making the dream of emission.free driving a reality.Despite the lofty ideal,the electric car has so far been a disappointment, accounting for only a fraction of l%of global car sales.And the same is true in China.There is an existing target to put five million on the road by 2020 but the Chinese consumer is so far very much unconvinced. BYD Auto Company in the southern city of Shenzhen is just one electric vehicle maker hoping that the time is now ripe for the government to step up its efforts.BYD is making electric cars but as yet not selling in great numbers.Electric cars are not cheap.It would still leave more than$40,000 to be paid before you could drive away in a BYD e6.And buyers have worries other than price. "I think that when you talk to a regular Joe about electric vehicles he is excited, but when you ask Mr. Joe to buy one,he's nervous,"said Isbrand Ho from BYD's Auto Export Trade Division."We call that 'range anxiety'.How far will my vehicle go?" The answer for an e6 is well in excess of 300 kms(190 miles)on one charge.That is the sort of number that might just start looking attractive to less price-sensitive customers but China still doesn't have anything like enough charging stations to make the car a practical choice. Last year, BYD sold only l,700 electric cars in China.Isbrand Ho tells me that at that volume the car is naturally expensive,due... According to Isbrand Ho, will bring down the price of the electric cars. A) improvement of environment B) innovation C) new technology D) more production
(Answer)
D
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B