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People who usually chow down on chilli peppers may live for longer and have a significantly reduced risk of dying from cardiovas

admin2022-12-09  125
问题     People who usually chow down on chilli peppers may live for longer and have a significantly reduced risk of dying from cardiovascular disease or cancer, research suggests.
    Previous studies have found that capsaicin, the【C1】________that gives chilli peppers their 【C2】________kick, can have anti-inflammatory, antioxidant, and anti-cancer effects when eaten.
    To further investigate the effects of【C3】________chilli peppers, the researchers gathered together the health and dietary【C4】________of more than 570,000 patients in the US, Italy, China and Iran.
    They found that those who ate chilli peppers【C5】________had a 26 percent reduction in cardiovascular disease mortality, a 23 percent relative reduction in cancer mortality, and a 25 percent relative reduction in all-cause mortality,【C6】________to those who rarely or never ate them.
    "We were surprised to find that frequent consumption of chilli pepper was associated 【C7】________an overall risk-reduction of all-cause, CVD and cancer mortality. It【C8】________that dietary factors may play an important role in overall health," said senior author Dr Bo Xu, a cardiologist at Cleveland Clinic’s Heart Institute.
    "The exact reasons and【C9】________that might explain our findings, though, are currently unknown," he added. "【C10】________, it is impossible to【C11】________say that eating more chilli pepper can【C12】________life and reduce deaths. More research, especially evidence from【C13】________controlled studies, is needed to【C14】________these preliminary findings."
    Additionally,【C15】________the precise【C16】________and type of chilli pepper consumed varied across the four studies used in the research, it’s【C17】________to determine exactly how much and what type of chilli peppers may provide the health【C18】________.【C19】________, the researchers are continuing to analyse the data【C20】________uncovering more concrete evidence.
【C17】
选项 A、mysterious
B、instructive
C、pleasant
D、tricky
答案D
解析 tricky。本题考查形容词辨析。四个选项分别为A项mysterious“神秘的，奇怪的，不易解释的”；B项instructive“富有教益的，增长知识的”；C项pleasant“令人愉快的，可喜的”；D项tricky“难办的，难对付的”。由于此前的研究中使用的辣椒数量和种类不同，所以准确确定吃多少和哪种辣椒对健康……是一件很难的事情。tricky意为 “难办的，难对付的”，符合句意。故本题答案为D项。
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