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  3. The legal limit for driving after drinking is 80 milligrams of alcohol in 100 milliliters of blood in the U. S. when tested. But

The legal limit for driving after drinking is 80 milligrams of alcohol in 100 milliliters of blood in the U. S. when tested. But

admin2019-05-23  33
问题    The legal limit for driving after drinking is 80 milligrams of alcohol in 100 milliliters of blood in the U. S. when tested. But there is no sure way of telling how much you can drink before you reach this limit. It varies with each person depending on your weight, sex, and the sort of drinks you have had. Some people might reach their limit after only about three standard drinks.
   In fact, your driving ability can be affected by just one or two drinks. Even if you’ re below the legal limit, you can still be taken to court if a police officer thinks your driving has been affected by alcohol.
   It takes about an hour for the body to get rid of the alcohol in one standard drink. So, if you have a heavy drinking in the evening, you might find that your driving ability is still affected the next morning, or you could even find that you are still over the legal limit. In addition, if you have had a few drinks at lunchtime, another one or two drinks in the early evening may well put you over the legal limit.
   In a test with professional drivers, the more alcoholic drinks they had had, the more certain they were that they could drive through a set of moveable posts in the driving test... and the less able they were to do it \ So the only way to be sure you’ re safe is not to drink at all.
   Alcohol is a major cause of road accidents. One in three of the drivers killed in road accidents have levels of alcohol which are over the legal limit, and road accidents after drinking are the biggest cause of death among young people. More than half of the people stopped by the police to take a breath analyzer test have a blood alcohol concentration of more than twice the legal limit.
   It is important to remember that driving after drinking doesn’ t just affect you. If you are involved in an accident, it affects a lot of other people as well, not least the person you might kill or injure.
The amount of alcohol one can drink before reaching the legal limit______.
选项 A、is 80 milligrams of pure alcohol
B、is about three standard drinks
C、is different for different people
D、is not related to one’ s body weight
答案C
解析 根据第一段第二、三句“But there is no sure way of telling how much you can drink before you reach this limit．It varies with each person depending on your weight，your sex…”可知，每个人能喝的酒量是不同的。故选C。
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