| Most parents prize the diversity within
their children’s public schools. They know that learning to cooperate and excel
in a diverse, real-world setting is a key to success in the 2lst-century
workplace and marketplace. But how "diverse" and "real-world" is a school that does not have any minority teachers The bad news today is that some 40 percent of America’s public schools have no teachers of color. The good news is that we have an opportunity to recruit and encourage more Americans of color to enter the teaching profession. And our success in doing so can have a powerfully positive impact on student achievement. Obviously, a teacher’s effectiveness depends, first and foremost, on his or her skills and high expectations, not on the teacher’s color. Yet we also know that children of color--40 percent of the student popula A. it has teachers from various regions in the world B. it has students from various regions in the world C. it has teachers of different races D. it has a powerfully positive impact on student achievement [单选题]我国电动汽车标准制定的原则之一是与传统汽车标准没有抵触只是需要针对电动汽车特殊方面增加少量内容的，修订（）标准，补充相关内容，对电动汽车特有，不能与传统汽车兼用的，要单独制定。
A.现有 B.原有 C.新增 D.删减 [判断题]作业人员不准在坑内休息。
A.正确 B.错误 [判断题]车站值班员应保证车站有不间断接车的空闲线路。( ) 《技规》第356条
A.正确 B.错误 [单项选择]在部门隶属模式中，容易将公关限于迎来送往、交际应酬，过分偏重于人际关系功能，这主要体现在把公关机构归属于（）。
A. 销售部 B. 策划部 C. 联络接待部门 D. 广告宣传部门 [单项选择]以下有关乳汁分泌药物的机制的叙述中，不正确的是（）
A. 乳母服药剂量大或疗程长 B. 药物分子质量小于200D时 C. 乳母体内的游离药物浓度高 D. 分子质量小、脂溶性而又呈弱碱性的药物 E. 药物从乳母血以主动转运的方式通过乳腺转运到乳汁中 [判断题]持学生票乘车的学生使用硬卧时，应另收半价硬卧票价，有空调时还应另收半价空调票票价。
A.正确 B.错误 [简答题]分销渠道的结构主要有哪几种类型？
[单选题]电力监控系统设备变更用途或（），应擦除或销毁其中数据。
A.升级 B.退役 C.维修 D.暂时停用 我来回答: 提交
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