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Earlier this month, after the federal government said vaccines aggravated an underlying disorder that led to autism-like symptom
Earlier this month, after the federal government said vaccines aggravated an underlying disorder that led to autism-like symptom
admin
2015-04-10
25
问题
Earlier this month, after the federal government said vaccines aggravated an underlying disorder that led to autism-like symptoms in 9-year-old Hannah Poling, the longstanding controversy over the role of childhood vaccines flared anew on network newscasts, the Internet and talk radio. The culture of autism is hitting prime time, too.
Despite its high profile, however, autism is one of the most complicated neurological disorders known. Some of the sufferers attend college; others never speak an intelligible word. Its complexity, in fact, is what has fueled the ongoing vaccine debate and caused divisions within the "autism community. " Unlike most conditions that attract popular and celebrity support, autism is almost a complete mystery, with no known cause. The vacuum created by this lack of knowledge has been filled with the theories, worries and frustrations of desperate parents. It’s hard not to want something, or somebody, to blame. But now, as the spotlight glares again, it’s time to separate fact from fear, to strive for perspective and clarity over emotion, to define the true scope of the disorder.
For decades, researchers have been trying to identify a cause for autism. In the 1950s, clinicians blamed "refrigerator mothers" and their cold, uncaring parenting. More recently, the anger has swirled largely around childhood vaccines. Today, scientists believe that genes and environmental factors, which could be anything from pesticides to antibodies in a mother’s womb, both play a role. But some parents continue to believe their children were injured by modern medicine.
But the court case wasn’t that simple. It turned out that Hannah had a rare mitochondrial disorder. Rather than support the thimerosal hypothesis, the decision endorses a whole other field of research into the causes of autism. It’s possible, scientists say, that a challenge to the immune system—be it an infection, a vaccine or some other trigger—could stress already fragile cells and
exacerbate
the problem. Scientists want to know how many children with autism have mitochondrial disorders. And would it be possible to identify those who might be vulnerable to vaccines?
To appreciate the complexity of the condition, all you have to do is look at the extraordinary range of people who fall under the umbrella diagnosis of autism spectrum disorders. With the vast range in abilities comes a striking diversity in thinking, too. Over the years, the autism community has divided into camps, often with conflicting ideas about how to view and treat the disorder. But the ultimate goal of the researchers, and the many families who support their work, is to solve the mystery of autism. Clarity is what we need, and science is the way we’ll get there.
What can we learn from the text?
选项
A、The ultimate goal of the researchers is to eliminate the disease.
B、Science could help the researchers to get what they aim to do.
C、The camps in autism community wish to have various ideas about how to view and treat autism.
D、Researchers have begun trying to find a cause for autism these years.
答案
B
解析
从本文中我们可以得知什么?[A]研究人员的最终目标是消除孤独症。[B]科学可以帮助研究人员实现他们的目标。[C]孤独症群体的不同阵营希望能有看待和治疗孤独症的不同观点。[D]这些年研究人员已经开始寻找导致孤独症的原因了。根据最后一段可知,研究人员和无数家庭的最终目标都是解开孤独症的谜团,而不是为了根除这种病,故[A]与原文不符。根据最后一段的倒数第二句可知,[B]“科学可以帮助研究人员实现他们的目标”为正确选项。根据本段第三句可知,孤独症群体已经分化为不同的阵营,在如何看待孤独症这一点上,各方常常观点迥异,因此并不是他们希望有不同的观点,故[C]错误。从第三段第一句可知,研究人员几十年前就开始查找孤独症的原因了,因此[D]错误。
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0
考研英语一
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