【简答题】1-20 号同学,根据《中国统计年鉴 2014 》,查找并计算得出 2013 中国 31 个地区居民人均可支配收入 X )与人均储蓄( Y )的数据。 建立计量经济学模型,并分别作出 X - Y 图、 X - resid 图,判断其异方差的存在性。 利用 white 检验法,判断其异方差的存在性。 利用加权最小二乘法,克服异方差性。 21-45 号同学,根据《江苏统计年鉴 2017 》,查找并计算...
【简答题】针对我国目前普遍存在的就业难问题,某机关召开了一次研讨会,并最终达成了一些共识。具体如下: 第一,高等院校的大量扩招,是造成大学生就业难最主要的原因。因此,要解决大学生就业难题,就要严格控制大学招生规模,减少大学生数量。 第二,目前我国存在着大量的劳动密集型企业,这些企业虽然存在着技术含量低、资源浪费严重等问题,但是在我国目前就业难的形势下,应当适当放宽政策,大h发展这些企业,以缓解就业压力。 三...
【简答题】实验 2 掌握 C 的数据类型 ( 1 )实验目的及要求 熟悉 Visual C ++ 6.0 集成开发环境以及不同类型的变量的定义和赋值。 ( 2 )主要仪器 / 设备、实验环境 硬件环境: IBM-PC 机及其兼容机。 软件环境:操作系统 Windows XP , Microsoft Visual C++6.0 。 ( 3 )实验内容 1.25 页 2.2 2. 参考例 2.1b 和例 2.2...
【单选题】A rhythmic effect is achieved when ______________.
A.
a poem is adapted to a song
D.
there is the repetition of stressed and unstressed syllables
【单选题】How does Wordsworth define a poem in his 'Preface'?
A.
A poem is a “spontaneous overflow of powerful feelings; it takes its origin from emotion recollected in tranquility.”
B.
Poetry is the art of uniting pleasure with truth by calling imagination to the help of reason.
C.
Poetry is the record of the best and happiest moments of the best minds.
D.
A poem begins in delight and ends in wisdom.
【单选题】A concrete poems means____________
A.
a poem which has a concrete tone.
B.
a poem which has a concrete visual feature.
C.
a poem which is written on concrete material.
D.
a poem which contains only one symbol.
【单选题】What kind of poem is this?
【简答题】电量为10C的电荷均匀分布在长为2m的细棒上,在细棒的延长线上到细棒中心O距离为1.1m的P点处放一电量为q =2× C的点电荷,求带电细棒对该点电荷的静电力大小F=____(N).(小数点保留2位有效数字; , 取3.14,在稿纸上写出完整的演算过程)
【简答题】A.In Frost's poem the poet describes walking on a meadow. B.In the poem the poet plans to try another after taking one way. C.The choice in the poem means the choice of his career. D.The risk of being...