【多选题】
环境保护工作采取预防为主的原因是
①
环境污染和破坏后果较严重,具有难以预见性和不确定性
②
环境受到污染后消除其危害需要时间长，有的甚至难以消除
③
自然环境和自然资源遭到破坏，恢复其导致的生态失衡十分困难
④
环境污染对人体健康的危害极大，导致的疾病不易发现、不易治疗
⑤
从经济损益情况看，环境遭受污染和破坏后再去进行治理付出的代价，与污染和破坏环境时所获得的经济利益相比，得不偿失
【多选题】
环境保护和资源节约工程实施：（）。
①
A.沼气和生物天然气可替代部分化石燃料
②
B.沼渣沼液可用于调理和改良土壤
③
C.30万及以上常住人口的中小城市，将需要建设垃圾焚烧处理设施，利好垃圾焚烧发电行业
④
D.以上都不对
【多选题】
以下关于环境保护的监督管理的说法，正确的是（）。
①
A.县级以上人民政府应当将环境保护工作纳入国民经济和社会发展规划。
②
B.国务院环境保护主管部门会同有关部门，根据国民经济和社会发展规划编制国家环境保护规划，报国务院批准并公布实施。
③
C.地方各级地方人民政府环境保护主管部门会同有关部门，根据国家环境保护规划的要求，
④
D.环境保护规划的内容应当包括生态保护和污染防治的目标、任务、保障措施等，并与主体功能区规划、土地利用总体规划和城乡规划等相衔接。
【单选题】
学前儿童说脏话的习惯，按严重程度分，属于( )。
①
需要特殊干预的行为问题
②
特殊的生理、心理原因引起的行为问题
③
轻度的可以忽略的行为问题
④
需要指导帮助的行为问题
【单选题】
学前儿童养成良好的用眼习惯，以下说法正确的是（ ）
①
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②
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③
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④
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【单选题】
学前儿童养成良好的用眼习惯，以下说法正确的是（ ）
①
Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable
【单选题】
学前儿童养成良好的用眼习惯，以下说法正确的是（ ）
①
Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable