Is this the reason ＿＿ at the meeting for his carelessness in his work?Is this the reason ＿＿ at the meeting for his carelessness in his work?A he explained B what he explained C how he explained D why he explained

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選 A 答案分析：此題考查的是reason作先行詞的用法。reason作先行詞時，如在定語從句中作狀語，用why引導定語從句；如果作主語或賓語，則用which/that引導定語從句。在這個題目中reason作賓語，因此，省略連接詞which/that。

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A答案正確

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選A,This is the reason (that) he explained at the meeting-----.這里reason作后面explained的賓語，that被省。

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不是,你們全討論幾年紀的題呢?

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選A，是that he explained 省略了that 定語從句, 因為先行詞在定語從句中做賓語,所以可一省略

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這道題提醒你要注意：在定語從句中，表示原因、時間、地點的詞作先行詞時，關系詞的選擇一定要小心。因為用關系代詞還是關系副詞，首先要考慮先行詞在此從句中充當什么成分，起什么作用：如果是在從句中做主語或賓語，要考慮關系代詞；如果做原因或時間或地點狀語，要考慮用關系副詞。所以要觀察這個從句中缺少什么成分。這道題中"he explained at the meeting" 缺少explained的賓語，所以就可以判斷答案是A了。因為關系詞通常是不使用what和how的。

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reason后的介詞用for， 什么事的愿意就是the reason for sth. 這句話的意思就是“這就是他在會上解釋的對于工作粗心的原因嗎？”所以選A 做不出來就變成陳述語序！！！ This is the reason for the carelessness. (he explained 是后置的簡短定語從句，即that he explained) 剩下的at the meeting 是時間狀語，in his work 也是狀語，不用理會

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我選D

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絕對是A

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肯定是a

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把這句話還原為he explained the reason for his careless in his word .其強調句為　this is the reason that he explain for his careless in his work,然后再變為疑問句，既選Ａ．

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a

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you should choose A.It is attributive clause,omitted" that".And usually when we meet "reason",we choose "why".But in this sentence,there has the reason areadly,(for his carelessin his work",so you should choose A .

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我覺得選A!

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絕對選A，首先，這里的reason應當作某種事物來看待，所以當選A，如果選D，顯然讀不通，選B、C也不行，讀讀就知道了。

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You should choose C.

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選C吧

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選A，是that he explained 省略了that 定語從句