题目内容
10．There are still many places in the world that have not beenexplored．分析 世上还有很多地方没有被勘查．
解答 答案：explored．
根据句意"世上还有很多地方没有被勘查"及首字母可知，应该是explore，用动词的过去分词形式；故答案为explored．
点评 首字母填空题考查的是词汇的记忆和运用能力，平时要注意积累和运用．同时还要注意提示字母．
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