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11．A deep breath is __________ to relaxation when you feel slightly nervous．（　　）

A．

contrary

B．

fundamental

C．

concise

D．

adventurous

分析當你感到有點緊張的時候，深吸一口氣對放松是必需的．

解答答案是B．
本題考查形容詞詞義辨析．A項表示"相反的"；B項表示"根本的，必需的"；C項表示"簡明的"；D項表示"愛冒險的，有危險是"；根據語境，深吸一口氣對于放松是"必需的，重要的"，所以答案選擇B項，其它選項不符合邏輯．

點評辨析形容詞要在識記常見形容詞及其搭配的基礎上理解語境，根據具體語境推斷合理的答案．

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