16．Jo was doing a lot of exercise to build up her      ．（　�。�
A．strengthB．powerC．forceD．energy

分析 Jo進(jìn)行大量的鍛煉以增加她的體力．

解答 答案：A．A．strength體力，build up one's strength增強(qiáng)體力[實力]；B．power力量．電力；C．force力．軍隊；D．energy能量．根據(jù)句意"Jo進(jìn)行大量的鍛煉以增加她的體力．"可知，strength符合語境，故選A．

點(diǎn)評 本題考查名詞的詞義辨析．詞匯辨析題首先要掌握各個選項的詞義、固定搭配、用法，然后再根據(jù)句意，結(jié)合語境，選出正確答案．

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