1 . Learning s______ (策略) are defined as approaches that learners employ to accomplish academic tasks. (根据中英文提示填空)

2 . It would be an e______ (夸张) to say that the movie changed my life, but it definitely broadened my perspectives. (根据中英文提示填空)

3 . He said the agreement demonstrates the nations’ shared commitment to ensuring global peace and s________. (n. the activities involved in protecting a country, building or person against attack, danger, etc.) （根据首字母单词拼写）