题目内容
14．Volunteers from differentbackgrounds feel like part of one big family．（背景）分析 来自不同背景的志愿者感觉像大家庭的一部分．
解答 答案：backgrounds 背景：background 是一个可数名词，复数形式是：backgrounds，根据different，可知应该是用复数形式，故填：backgrounds．
点评 主要考查名词，做此类题目时，首先要掌握句意，再根据词汇的具体用法，判断出所需词汇．就本题而言，主要考查：可数名词复数．
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