For almost two centuries now, scientists have noticed a place’s suicide rate bears troubling links to the changing of the season

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问题     For almost two centuries now, scientists have noticed a place’s suicide rate bears troubling links to the changing of the seasons and the friendliness of its climate.
    In 1881, the Italian physician Enrico Morselli noted that suicide rates peak in the summer, deeming the effect "too great for it to be attributed to chance of the human will". Two decades later, the French sociologist Emile Durkheim noticed the same effect—though he also found the suicide rate was higher in Scandinavian countries.
    Even today, CDC data confirms that suicides peak in the United States in the early summer. Now, scientists have identified one more way that climate shapes suicide—and, worryingly, they have projected that it will only become more pronounced as suicide rates rise in a rapidly warming world.
    Unusually hot days cause the suicide rate to rise, according to a study published Monday in Nature Climate Change. If a month is 1 degree Celsius warmer than normal, then its suicide rate will increase by 0. 7 percent in the United States and 2. 1 percent in Mexico.
    " It’s sort of a brutal finding," says Marshall Burke, a professor of earth science at Stanford University and one of the authors of the paper. The finding has anxious implications for a world whose climate is rapidly changing. The authors project that roughly 14,000 people—and as many as 26,000—could die by suicide in the United States by 2050 if humanity does not reduce its emissions of greenhouse-gas pollution.
    It also concludes that humans can do little about this suicide-climate link beyond developing better medical care to address suicide specifically. The normal ways that people adapt to high temperatures generally—by installing air conditioners, for instance—do not seem to affect the suicide rate.
    Suicide is the second most-common cause of death among Americans between 10 and 34 years of age. In other words, more people are dying by suicide than used to.
The underlined sentence in Paragraph 2 most probably means that______.

选项 A、people will climb to the peak to commit suicide
B、suicide rate is the highest in summer
C、suicide rate is the lowest in summer
D、suicide rate is the highest in winter

答案B

解析 语义理解题。这里的关键词是peak,有“山顶”的意思,分析句子会发现,这里的peak为动词,而后段也有一句提示it will only become more pronounced as suicide rates rise in a rapidly warming world,这里的pronounced意为“明显的,显著的”,再结合peak的名词意思可以推断出它的动词意思是“上升,达到顶峰”。[A]“人们爬到山顶自杀”,[C]“夏季自杀率最低”和[D]“冬季自杀率最低”都不正确,因此正确答案为[B]。
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