As many successful businessmen believe, courage is as ______ to pioneering work as the intelligence, even more so．
A．a(chǎn)ccessibleB．essentialC．a(chǎn)lternativeD．commercial
B
句意：正如很多成功的商人所認(rèn)為到那樣，勇氣和智慧對(duì)原創(chuàng)工作而言一樣是基本的，甚至比智慧更基礎(chǔ)。A. accessible可進(jìn)入到的、能進(jìn)入的；B. essential基本到、必要的；C. alternative 供選擇的、選擇性的；D. commercial商業(yè)到、贏利的。由句意可知選B。
考點(diǎn): 考查形容詞的用法。
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