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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
2023-11-19
14
管理
问题
The basic causes are unknown, although certain conditions that may lead to cancer have been ______.
选项
A、identified
B、guaranteed
C、notified
D、conveyed
答案
A
解析
动词辨析。identify意为“确定”,guarantee意为“确保”,notify意为“通,报”,convey意为“传达”。
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