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11．Ancient China was a place where states were oftenatwar with each other．

分析 古代中國(guó)是一個(gè)國(guó)與國(guó)之間通常處于戰(zhàn)爭(zhēng)的地方．

解答 答案：at
解析：根據(jù)句意"古代中國(guó)是一個(gè)國(guó)與國(guó)之間通常處于交戰(zhàn)的地方"及所給英文提示可知，本題考查be at war"處于戰(zhàn)爭(zhēng)"這一固定短語(yǔ)；故本題答案為at．

點(diǎn)評(píng) 本題考查單詞填空，做此類題目時(shí)一定要仔細(xì)分析句子結(jié)構(gòu)，根據(jù)句意及語(yǔ)法確定所填詞并注意所填詞的形式是否有變化．

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