Certain conditions that might lead to cancer have been _ though the ultimate causes are unknown.四个选项(填于下划线处):A:notified B:identifiedC:guaranteed D:ensured并且为什么?,谢谢,请知道的帮忙回答一下.
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![Certain conditions that might lead to cancer have been _ though the ultimate causes are unknown.四个选项(填于下划线处):A:notified B:identifiedC:guaranteed D:ensured并且为什么?,谢谢,请知道的帮忙回答一下.](/uploads/image/z/7584631-7-1.jpg?t=Certain+conditions+that+might+lead+to+cancer+have+been+_+though+the+ultimate+causes+are+unknown.%E5%9B%9B%E4%B8%AA%E9%80%89%E9%A1%B9%EF%BC%88%E5%A1%AB%E4%BA%8E%E4%B8%8B%E5%88%92%E7%BA%BF%E5%A4%84%EF%BC%89%EF%BC%9AA%EF%BC%9Anotified+B%EF%BC%9AidentifiedC%EF%BC%9Aguaranteed+D%EF%BC%9Aensured%E5%B9%B6%E4%B8%94%E4%B8%BA%E4%BB%80%E4%B9%88%3F%2C%E8%B0%A2%E8%B0%A2%2C%E8%AF%B7%E7%9F%A5%E9%81%93%E7%9A%84%E5%B8%AE%E5%BF%99%E5%9B%9E%E7%AD%94%E4%B8%80%E4%B8%8B.)
Certain conditions that might lead to cancer have been _ though the ultimate causes are unknown.四个选项(填于下划线处):A:notified B:identifiedC:guaranteed D:ensured并且为什么?,谢谢,请知道的帮忙回答一下.
Certain conditions that might lead to cancer have been _ though the ultimate causes are unknown.
四个选项(填于下划线处):A:notified B:identified
C:guaranteed D:ensured
并且为什么?,谢谢,请知道的帮忙回答一下.
Certain conditions that might lead to cancer have been _ though the ultimate causes are unknown.四个选项(填于下划线处):A:notified B:identifiedC:guaranteed D:ensured并且为什么?,谢谢,请知道的帮忙回答一下.
根据意思选:B
一些可能导致癌症的条件被发觉(identify),但是导致最根本的原因还是未知.
意思就是:发现了表象,但是不知道为什么这些表象会导致癌症
D:ensured确定
A:notified 注意到
B:identified确定身份。
C:guaranteed 保证。
同 aimarthebest
B 识别、判定
虽然致病机理尚不明确,但仍然能够判定哪些特定的条件可能引发癌症。
选B,解释2楼说的很清楚