题目内容：
It’s very important to maintain your current weight through exercise and healthy eating.
参考答案：
答案解析：
选择题：It’s very important to maintain your current weight through exercise and heal...
- 题目分类： 大学英语B级
- 题目类型：选择题
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压力容器按破坏（失效）机理可分为（）破坏。A．韧性B．脆性C．疲劳D．腐蚀E．蠕变F．以上都是
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