Because it was already known that retroviruses could cause cancer in animals, it seemed only______to search for similar cancer-c

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问题 Because it was already known that retroviruses could cause cancer in animals, it seemed only______to search for similar cancer-causing viruses in human beings.

选项 A、culpable
B、charitable
C、hypothetical
D、logical

答案D

解析 本题考查形容词辨析。分析句意可知,“已证实逆转录病毒能够让动物致癌”,那么“寻找类似使人致癌的病毒”应该是顺理成章的,故答案为logical((结论或结果)逻辑上必然的,顺理成章的)。culpable意为“应受责备的,难辞其咎的”。charitable意为“仁慈的,宽容的;慈善的”。hypothetical意为“假设的,假定的”。
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