题目内容
4.3 人身检查-句子翻译P56Translate the following sentences into Chinese. (P56)1. Please switch on your digital camera. Thank you very much.2. Sir, please open the bottle of mineral water and drink it, would you?3. The work of security screening adheres to the principle of safety first, strict screening, civilized performance and courteous service.
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4.3人身检查-初阶-回答问1.What happened in the dialogues?2.How did the agent solve the problem?3. What have you learned from these dialogues?
4.2随身行李检查-知识拓展1. Why have almost all airports all over the world instituted pre-boarding security checks for weapons?2. What is the point the agent must take about the search?
构件的强度、刚度、稳定性问题均与所用材料的力学性能有关。
材料力学主要研究弹性范围内的小变形情况。
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