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10．What the doctors really doubt iswhethermy mother will recover from the serious disease soon．

分析醫(yī)生真正懷疑的是我媽媽能否從這個嚴(yán)重的疾病中恢復(fù)．

解答答案是whether．本題考查語境中選用恰當(dāng)?shù)脑~或短語的適當(dāng)形式．whether/if 是否；根據(jù)句意，醫(yī)生懷疑媽媽"是否"能恢復(fù)，題干中需要的是引導(dǎo)表語從句的引導(dǎo)詞"是否"；if 表示"是否"通常不引導(dǎo)表語從句，故答案是whether．

點評單詞拼寫必須在對語境整體理解的基礎(chǔ)上抓住指向答案的關(guān)鍵線索、固定句型或搭配等，同時注意所選詞的形式變化．

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