As you leave the lab, the doctor calls you into her office. Your saliva contained a few of your cheek cells, she explains, which were tested for a variety of genetic disorders. One came up ___.
Arealistic
Bimaginary
Cpositive正確答案
Dnegative
答案與詳解
come up positive 是醫學檢測慣用語,指「結果呈陽性」,即檢出該基因疾病。題幹說「其中一項 came up ___」,語意上要表示驗出了某項遺傳疾病,故選 positive。
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