单项选择题

Researchers found that the more carrots people ate, the lower their odds of developing lung cancer.()

A.研究者们发现吃胡萝卜的人越多，得肺病的几率越低。
B.研究人员发现人们吃胡萝卜越多，得肺癌的可能性越低。
C.研究人员找到了那些喜欢吃胡萝卜的人，但发现他们都得了肺病。
D.研究者们发现人们吃胡萝卜越多，得肺病的几率越低。

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Peripheral vision allows you to see ().

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C．a wider range of things
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Parents who have an adopted child want to know().

A．how to hide the fact that he or she is adopted
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C．whether they should tell the child that he or she is adopted
D．if the child has certain disease