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This jumping to our children’s defence is part of what fuels the “walking on eggshells” feeling that surrounds。分析：本句为复合句，主干为jumping to。what引导的宾语从句。
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He believes most diseases that commonly affect men could be addressed by preventive check-ups。分析：本句为复合句，主干为He believescould be addressed，that引导的定语从句。
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Todd Park，a local detective，said the method has helped him learn more about an unidentified。分析：本句为复合句，主干为Todd Park said。a local为Todd Park的同位语。
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要考过英语四、六级，需要好好背单词和刷真题，英语四级词汇要求是2000+，英语六级词汇要求是5500+；备考过程中至少要将前5年真题都做一遍。
