根据地下水对建筑材料腐蚀评价标准，其腐蚀等级可分为()个等级。

The phrase 'have it together'(Line 4, Para. 4)most probably meansA．suffer from a lack of mental clarity.B．make wise decisions and treat staff fairly.C．command a grand vision of the company.D．are physically and mentally well-organized. 点击查看答案

The underlined word 'that' in paragraph 5 refers toA．firing employees.B．pleasing investors.C．suffering burnout.D．mood swings. 点击查看答案