While cautious interpretation is needed, the findings add to a growing body of evidence indicating that limiting sugary drink co

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问题     While cautious interpretation is needed, the findings add to a growing body of evidence indicating that limiting sugary drink consumption, might【C1】________ to a reduction in cancer cases.
    The consumption of sugary drinks has increased worldwide during the last few decades and is convincingly associated with the risk of obesity, which【C2】________ is recognized as a strong risk factor for many cancers.【C3】________ research on sugary drinks and the risk of cancer is still limited.
    So a team of researchers based in France set out to【C4】________ the associations between the consumption of sugary drinks (sugar sweetened beverages and 100% fruit juices), artificially sweetened (diet) beverages, and risk of overall cancer, as well as breast, prostate, and bowel (colorectal) cancers.
    The results show that a 100 mL per day increase in the consumption of sugary drinks was associated with an 18% increased risk of overall cancer and a 22% increased risk of breast cancer. When the group of sugary drinks was split into fruit juices and other sugary drinks, the consumption of both beverage types was associated with a higher risk of overall cancer. No association was found for prostate and colorectal cancers, but【C5】________ cases were more limited for these cancer locations.【C6】________ the consumption of artificially sweetened (diet) beverages was not associated with a risk of cancer, but the authors warn that caution is needed in interpreting this finding owing to a relatively low consumption level in this sample.
    These results need replication in other large【C7】________ studies, say the authors. "These data support the relevance of existing nutritional recommendations to limit sugary drink consumption, including 100% fruit juice, as well as【C8】________ , such as taxation and marketing restrictions targeting sugary drinks,【C9】________ might potentially contribute to the reduction of cancer【C10】________ ," they conclude.
【C9】

选项 A、which
B、that
C、where
D、how

答案A

解析 本题考查关系代词。这里引导的是非限定性定语从句,先行词是逗号前的所有内容,因此which是正确选项。
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