Small Schools Rising
This year’s list of the top 100 high schools shows that today, those with fewer students are flourishing.
A．Fifty years ago, they were the latest thing in educational reform: big, modern, suburban high schools with students counted in the thousands. As baby boomers (二战后婴儿潮时期出生的人) came of high-school age, big schools promised economic efficiency. A greater choice of courses, and, of course, better football teams. Only years later did we understand the trade-offs this involved: the creation of excessive bureaucracies (官僚机构), the difficulty of forging personal connections between teachers and students. SAT scores began dropping in 1963; today, on average, 30% of students do not complete high school in four years, a figure that rises to 50% in poor urban neighborhoods. While the emphasis on teaching to higher, test-driven standards as set in No Child Left Behind resulted in significantly better performance
| The first moving-picture theater was
probably the work of Harry Davis, Pittsburgh’s most prosperous showman. In 1904,
he rented a storefront, filled the room with chairs, gaily decorated the
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A.40 B.20 C.30 D.10 [判断题](判断题)柱上油开关与配电变压器中用的都是变压器油，且其作用也是相同的，即都是灭弧介质和绝缘介质。 （）
A.正确 B.错误 [单项选择]对于渗透系数大、地下水丰富的软土地基，人工降低地下水位宜采用（）。
A. 管井法 B. 真空井点法 C. 喷射井点法 D. 电渗井点法 [单选题]假定某量的绝对误差为4，相对误差为2%，则该量的真值为（）。
A.800 B.400 C.200 D.100 [单选题]如果在排序前只选定了数据清单的某一列，则排序的结果是()。
A.对整个数据清单进行排序 B.只对选定列进行排序 C.排序没有进行 D.给出错误提示 [单选题] 复杂或高杆塔带电作业必要时应增设（塔上）（ B ）。
A.工作负责人 B.监护人 C.工作人员 [单选题]-C-D-001 4 2 3
在工作表中输入公式,选定要输入公式的单元格,再输入(??? ),输入公式(输入数字、运算符号和单元格地址),然后按回车键。 A.等号 B.大于号 C.小于号 D.冒号 [T/] [判断题]( )旋转特征能将草图旋转360度,也可以将草图旋转一个指定的角度。
A.正确 B.错误 [单选题]事故应急预案的编制程序包括①编制前的准备②成立预案编制工作组③资料收集④危险源和风险分析⑤应急能力的评估⑥具体的编制⑦预案的分布⑧应急预案的实施,这八步骤,其排列顺序正确的的是( )。
A.②①④③⑤⑥⑧⑦ B.②①③④⑤⑥⑧⑦ C.①②④③⑥⑤⑧⑦ D.①②③④⑤⑥⑦⑧ [单项选择]某女，68岁。因心力衰竭入院，拟用地高辛口服治疗，每日0.25mg。已知地高辛半衰期为36小时，达稳定的血药浓度约需
A. 2～3天 B. 6～7天 C. 9～10天 D. 12～14天 E. 16～18天 [判断题]车架式主车身的地板四周边缘用压花工艺做成皱折,增加了地板车身的刚度,减少了振动。 ( )
A.正确 B.错误 我来回答: 提交
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