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　　熟悉四六級(jí)閱讀理解題型的同學(xué)應(yīng)該都了解，英語(yǔ)四六級(jí)考試閱讀理解材料大多選自《時(shí)代》《衛(wèi)報(bào)》《科學(xué)美國(guó)人》等外刊。要想閱讀理解這部分拿到高分，必須在平常多閱讀，掌握新詞匯，鍛煉閱讀速度。

　　本篇閱讀材料“為什么高智商的人更易吸毒”選自《時(shí)代》（原文標(biāo)題：Why Kids With High IQs Are More Likely to Take Drugs? 2011.11.16），如果大家覺(jué)得比較簡(jiǎn)單，就當(dāng)作泛讀材料了解了解，認(rèn)識(shí)幾個(gè)新單詞或新表達(dá)方式也不錯(cuò)。如果大家覺(jué)得這些材料理解上有難度，不妨當(dāng)做挑戰(zhàn)自己的拔高訓(xùn)練，希望大家都有進(jìn)步^^

　　People with high IQs are more likely to smoke marijuana and take other illegal drugs, compared with those who score lower on intelligence tests, according to a new study from the U.K.

　　"It's counterintuitive," says lead author James White of the Center for the Development and Evaluation of Complex Interventions for Public Health Improvement at Cardiff University in Wales. "It's not what we thought we would find."

　　counterintuitive adj. 違反直覺(jué)的

　　The research was based on interviews with some 7,900 British people born in early April 1970. Researchers measured the participants IQs at ages 5 and 10, then followed up with them at ages 16 and 30, asking about symptoms of psychological distress and drug use as part of a larger survey.

　　At age 30, about 35% of men and 16% of women said they had smoked marijuana at least once in the previous year; over the same time period, 9% of men and 4% of women said they had taken cocaine. Previous-year drug users tended to have scored higher on IQ tests than non-users.

　　The IQ effect was larger in women: women in the top third of the IQ range at age 5 were more than twice as likely to have taken marijuana or cocaine by age 30, compared with those scoring in the bottom third. The men with the highest IQs were nearly 50% more likely to have taken amphetamines and 65% more likely to have taken ecstasy, compared to those with lower scores.

　　And these results held even when researchers controlled for factors like socioeconomic status and psychological distress, which are also correlated with rates of drug use.

　　correlate n. 有相互關(guān)系的東西，相關(guān)物 v. 1. [T]使有相互關(guān)系，使相互關(guān)聯(lián) 2. [I]互相有關(guān)系 adj. 相關(guān)的，關(guān)連的

　　So why might smarter kids be more likely to try drugs? "People with high IQs are more likely to score high on personality scales of openness to experience," says White. "They may be more willing to experiment and seek out novel experiences."

　　Another factor could be that the messages used to attempt to deter teens from drug use — particularly during the 1980s in the U.K. when the study group was in adolescence — weren't exactly known for the subtlety of their reasoning, so they may not have targeted the smarter group well.

　　deter v. 制止；阻止

　　"What you typically find is that people with high IQs are less likely to smoke , more likely to be active and to have a good diet," says White, noting that they are also likely to have high socioeconomic status. People in this group tend to make healthy choices, based both on health information and their own experience.

　　socioeconomic status 社會(huì)經(jīng)濟(jì)地位；社會(huì)經(jīng)濟(jì)狀況

　　This group isn't likely to see occasional drug use as particularly harmful, White says, both because there is little data to suggest great risk of harm from such use and because evidence of harm is rare among their peers. "With smoking, the evidence is overwhelming," says White, "whereas when you look at things like cannabis use, since they are more likely to associate with people who are similar to them, they are likely to see that smoking cannabis relatively infrequently doesn't have huge impact."

　　whereas conj. （用以比較或?qū)Ρ葍蓚€(gè)事實(shí)）但是，然而，盡管

　　In contrast, drug users with less education and wealth are more likely to be exposed to negative consequences of drug use. This is due in part to the fact that money itself can buy protection against the types of criminal involvement and disease that can affect poor drug users.

　　be exposed to 曝光；面臨；遭受

　　"The likely mechanism is openness to experience," White concludes, "and, I think, it's also this idea of having an educated view of risk as well." (Of course, American views about what consists of an "educated" perspective on drug risks have often clashed with those of the more relaxed position typically taken in Europe.)

　　The study didn't look at the risk of addiction among those with high IQs because it wasn't able to measure the frequency of drug use in participants. However, earlier research has found a connection between high IQ and greater risk of alcohol abuse and dependence.

　　That could potentially be linked to the boredom and social isolation experienced by many gifted children, the authors note. But since a link between IQ and drug use remains independent of psychological distress, that can't be all that's going on. "It rules out the argument that the only reason people take illegal drugs is to self medicate," says White.

　　boredom n. 1.[U]厭煩，厭倦 2.[C]令人厭煩的事物

　　rule out 排除；取消；劃去

　　Question time:

　　1. What might be the factors that result in smarter kids' trying drugs?

　　2. Why drug users with less education and wealth are more likely to be exposed to negative consequences of drug use?

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　　【參考答案】

　　1. People with high IQs are more likely to score high on personality scales of openness to experience. They may be more willing to experiment and seek out novel experiences. Another factor could be that the messages used to attempt to deter teens from drug use weren't exactly known for the subtlety of their reasoning, so they may not have targeted the smarter group well.

　　2. This is due in part to the fact that money itself can buy protection against the types of criminal involvement and disease that can affect poor drug users.

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