There have been several leading _______ in genetic engineering to help cure terminal cases.

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问题 There have been several leading _______ in genetic engineering to help cure terminal cases.

选项 A、activeness
B、advances
C、currencies
D、resistances

答案B

解析 遗传工程学的进步,可以帮助治疗晚期疾病患者。advance(进步)作为动词可用于S+V形式,同时也是可数名词。考试中经常会出现考查advance后面加介词in的题目。
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