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提问人:网友lixin080108
发布时间:2022-01-07
[单选题]
In many cases, the formerly ________ origins of diseases have now been identified through modern scientific techniques.
A.ominous
B.mysterious
C.incurable
D.notable
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- · 有6位网友选择 B,占比66.67%
- · 有2位网友选择 A,占比22.22%
- · 有1位网友选择 D,占比11.11%