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The basic causes are unknown, although certain conditions that may lead to cance
The basic causes are unknown, although certain conditions that may lead to cance
游客
2025-04-04
18
管理
问题
The basic causes are unknown, although certain conditions that may lead to cancer have been______.(2011年四川大学考博试题)
选项
A、identified
B、guaranteed
C、notified
D、conveyed
答案
A
解析
在给出的选项中:identified“辨认,辨别”;guaranteed“保证,确保”;notified“通知”:conveyed“传达”。本句意为“尽管人们已经识别出可能导致癌症的某些条件,但是对根本原因仍一无所知”。根据句意和各个选项的意思可知,正确答案是A。
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