【单选题】【消耗次数：1】
21. Take good care to _____ your jewelry before going on away on holiday..
①
safe
②
lock in
③
lock away
④
lock with
参考答案：
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以下关于知识产权的本质说法错误的是
①
．知识产权是一种行政权利
②
．从国家层面来说，知识产权是公共政策的制度选择。
③
．从国际层面来说，知识产权是国际贸易体制的基本规则。
④
．从个人层面来说，知识产权是知识财产私有的权利。