The basic causes are unknown though certain conditions that may lead to cancer h

游客2025-04-03 31

问题 The basic causes are unknown though certain conditions that may lead to cancer have been______.

选项 A、identified
B、guaranteed
C、notified
D、conveyed

答案 A

解析本题考查动词。identify“确定，鉴别”，guarantee“保证”，notify“通知”，convey“传达”，很明显本题答案为A。

转载请注明原文地址:https://tihaiku.com/zcyy/4025065.html

相关试题推荐

随机试题

最新回复(0)

Ithoughtthemeetingwasgoingtobeawful,butitdidn’t______toobadly.A、turn