The basic causes are unknown, although certain conditions that may lead to cance

游客2024-10-24 45

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”。

转载请注明原文地址:http://tihaiku.com/zcyy/3814834.html

相关试题推荐

随机试题

最新回复(0)

Whatcausesthedeathofmillionsofpeopleinbothpoorandrichcountries?[br