英语翻译28,How did your brother make such a stupid mistake ______ he had a such a good knowledge of the steps and cautions over operating the machine.A,when B,because C,while D,that

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英语翻译28,How did your brother make such a stupid mistake ______ he had a such a good knowledge of the steps and cautions over operating the machine.A,when B,because C,while D,that

英语翻译28,How did your brother make such a stupid mistake ______ he had a such a good knowledge of the steps and cautions over operating the machine.A,when B,because C,while D,that
英语翻译
28,How did your brother make such a stupid mistake ______ he had a such a good knowledge of the steps and cautions over operating the machine.
A,when B,because C,while D,that

英语翻译28,How did your brother make such a stupid mistake ______ he had a such a good knowledge of the steps and cautions over operating the machine.A,when B,because C,while D,that
选AWhen在这作连词“既然”之意,表示条件关系,“既然”他对机器操作的步骤和注意事项这样熟悉了解“怎么还会”犯这样的低级错误呢?
翻译:
你的弟兄犯这种愚蠢的错误时,他有这样一个良好的知识的步骤和注意事项在操作机器.

c
你的兄弟(哥哥或弟弟)明明有这么好的操控机器经验,怎么办到犯这么愚蠢的错误的

A 你兄弟既然熟知机器操作的步骤和注意事项,那他怎么能犯这么愚蠢的错误呢

选A,表示在……情况下
你的兄弟这么了解机器操作的步骤和注意事项,怎么还会犯如此愚蠢的错误!

选c 此处的while表示虽然,既然,是一种转折,前句和后句的逻辑是转折的 翻译:既然你的兄弟具备良好的操做设备的知识和谨慎的操作,他怎能犯如此愚蠢的错误

D,so…that ...句型。