_______ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately. 

A．Even if            B．As far as           C．If only            D．So long as

 

【答案】

A

【解析】

試題分析：考查連詞：A. Even if即使，B. As far as據(jù)…，就…，C. If only但愿，D. So long as只要，句意為：即使這個(gè)計(jì)算是正確的，科學(xué)家們也永遠(yuǎn)不能確定他們已經(jīng)包括了所有的變數(shù)情況以及精確地對(duì)其進(jìn)行了模擬。根據(jù)句意填A(yù)。

考點(diǎn)：考查連詞

點(diǎn)評(píng)：連詞主要看上下文的邏輯關(guān)系，連詞的辨析沒有捷徑可走，只能在平時(shí)的學(xué)習(xí)中加強(qiáng)記憶�？梢杂么敕ǎ瑢⒕渥臃g清楚再做題。

 

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