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  3. Nearly 54 million cars and trucks in the United States are equipped with driver side air bags located in the center of the steer

Nearly 54 million cars and trucks in the United States are equipped with driver side air bags located in the center of the steer

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问题     Nearly 54 million cars and trucks in the United States are equipped with driver side air bags located in the center of the steering wheel. 24 million also have a passenger-side device located in the dashboard. Air bags are designed to protect against sudden, fierce frontal highway impacts.
    Five years ago evidence of serious air bag injuries began to surface. Drivers in minor fender benders suffered severe eye and ear injuries, broken bones and third degree burns from the force of the inflating bags. In December 1991 the National Highway Traffic Safety Administration(NHTSA)advised parents to avoid putting rear facing infant sets in front of air bags, acknowledging that the force of the explosive bag could harm infants, whose heads were only inches away from the devices.
    Last October it was determined that all children 12 and under were more susceptible to injury and death than adults; their more fragile bodies were seated lower, increasing the impact of the air bag to the head area. In addition, more children were not properly restrained or were out of position when the air bag inflated. On November 22, 1996, after nearly 60 deaths and thousands of injuries were attributed to the devices, the NHTSA mandated improved labels for all new vehicles, warning of the risk to children under 13. Despite these problems, officials stress the overall effectiveness of these devices. "All in all, air bags work well and are responsible for an 11 percent reduction in driver fatalities. " says NHTSA Administrator Dr. Ricardo Martinez. " First and foremost, make sure you’re properly buckled up before getting on the road. " says Brain O’Neill, president of the Insurance Institute for Highway Safety. Keep in mind how close you sit to an air bag. Push seats as far back as possible, remaining just close enough to control the pedals. Your face and torso should be at least 10 to 12 inches from the steering column. "It’s not a bad idea actually to measure the distance with a ruler to be sure. " adds O’Neill.
    Adjustable steering wheels should be pointed toward the chest rather than the head to prevent inflating bag from damaging the face or neck. Also, position hands at nine o’clock and three o’clock on the wheel to keep your arms away from an opening air bag.
    Pregnant women in particular should keep their abdomen as distant from the air bag as possible. In the final trimester, women should point adjustable steering wheels upward, away from their fetus. Perhaps most important, children 12 and under should always ride in the back seat, buckled up.
Adjustable steering wheels should______.
选项 A、be pointed toward the chest rather than the head
B、be driven at 9 o’clock
C、be driven at 3 o’clock
D、keep your arms away from an opening air bag
答案A
解析 文章指出“只有这样，在车祸时，驾车人的头才能得到最有效的保护。”见文章倒数第三段第一句、第二句，意思是把两手分别救在方向盘上3点钟和9点钟的位置以便使手臂远离开着的防护气囊。
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