专四专八考试
解析:Prices reach equilibrium at the lev
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【单选题】Prices reach equilibrium at the level at which quantity demanded ______ quantity supplied.
[A] is equal to
[B] equal
[C] equals to
[D] is equal
网考网参考答案:
A
网考网解析:
be equal to是固定搭配,意为“与…相等”,等于及物动词equal。在at which引导的定语从句中,主语为第三人称单数,而[B]equal不是第三人称单数形式,[C]和[D]形式又不正确,故[A]为答案。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block";
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