题目内容
实际上，纯弹性与纯塑性的材料是不存在的，都是弹塑性材料。
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承受冲击载荷和有抗震要求的结构，一定要选择韧性好的材料。
一般来说，材料的强度高，其硬度也高。
提高材料的密实度，可以提高材料的耐久性。
Write down the Chinese meaning of the underlined words.1）Meanwhile, the police complaintswatchdogis investigating the death of a man during a G20 protest in London on April 1.2）The government launched acrusadeagainst corruption.3) During the Cultural Revolution, the art was criticized asdecadentand belonging to old society4) Here are three other animated supporting characters that have completely stolen the show with their ownspinoffs.5) What has happened toGuoMeimeirecentlyspawnedhot debate and comment.
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