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【单选题】
下列属于用还原法处理废水是( )。A.
用漂白粉处理含氰废水
B.
用硫化钠处理含汞废水
C.
用硫酸亚铁处理含铬废水
D.
用石灰处理含铜废水
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反馈参考答案：
举一反三
【多选题】对于人类进化来讲,科学家们可以通过追索( )来找到线索。
A.
母系遗传的线粒体DNA
B.
父系遗传的Y染色体DNA
C.
母系遗传的Y染色体DNA
D.
父系遗传的线粒体DNA
【简答题】Although Paris is often considered the city of romance， close to a million s who call it home are single. Many single people say that France’s capital is one of the most difficult places to meet ...
【简答题】Although Paris is often considered the city of romance, close to a million s who call it home are single. Many single people say that France’s capital is one of the most difficult places to meet ...
【单选题】I’m considering _____a teacher after graduation because a teacher is often considered _____ the engineer of the human soul.
A.
to become ; to be
B.
becoming ; to be
C.
to become ; being
D.
becoming;being
【简答题】______ , it is often considered impolite to interject a remark when people are talking. (无论在什么文化背景下).
【单选题】Pigeon is often considered a（n）________ of peace.
A.
example
B.
sign
C.
mark
D.
symbol
【单选题】关于企业的正式管理系统,不正确的是:()
A.
包括企业的组织结构、作业流程、工作规范、信息沟通、决策体系等
B.
包括正式或非正式的计划活动等
C.
有时候组织资源也可以表现为个人的技能或能力
D.
不包括质量系统
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