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As _______ general rule, the working temperature of the installation (設(shè)備) is _______ more important consideration than the working pressures.
A．a(chǎn); /B．the; /C．the; aD．a(chǎn); a
D
考查冠詞用法。本題重點考查了不定冠詞表示泛指的用法，兩空都是表示的泛指。
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