Scientists believe that color blindness is a(n)______defect, and there is no cure of it.

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问题 Scientists believe that color blindness is a(n)______defect, and there is no cure of it.

选项 A、induced
B、original
C、primitive
D、inherited

答案D

解析 形容词辨析题。题意:“科学家认为色盲是一种先天性缺陷,治不了。”D inherited意为“继承下来的,遗传的”,符合题意。Ainduced:诱发的。B original:起初的,原来的。C primitive:原始的,早期的。
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