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【简答题】
已知图 mn9.9 ( a )所示方框图各点的波形如图( b )所示,填写各电路的名称。 电路 1 为( ),电路 2 为( ),电路 3 为( ),电路 4 为( )。
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举一反三
【简答题】从“天猫菜鸟物流”、“京东物流”和“当当网物流”3者中任选一个进行调研,3-5人一组,撰写1000字左右的调研分析报告。 基本要求: 1.调研其物流发展历史 2.分析其物流业务模式和服务特色 3.分析在不同阶段采取不同物流模式的原因 4.分析其当前采取的物流模式的优劣势 5.给出建议 6.可以自行添加其他内容 请在2020年2月28日之前确定分组名单,以及调研主题。
【单选题】Suppose a basket of goods and services has been selected to calculate the CPI. In 2002, the basket’s cost was $80; in 2008, the basket’s cost was $92; and in 2010, the basket’s cost was $108. The base...
A.
2002.
B.
2008.
C.
one of the years between 2008 and 2010.
D.
The base year cannot be determined from the given information.
【简答题】A mild steel sample of 2mm in thickness and 10 mm inwidth is under biaxial tension, the tension force at both direction is 30kgf, assume the poisson's ratio ν=0.25, what is the value of coefficient o...
【简答题】京东绿色物流发展历程给我们怎样的启示 2013 年 6 月 27 日,中国电子商务领域首张电子发票诞生于京东总部。 2014 年京东研发了专利防撕袋,取代了传统的 “ 快递袋 + 透明袋热封封口 ” 的包装形式。 2016 年 3 月,京东上线自主研发的电子签收系统,消费者在取快递时只需在 POS 机上签名即可,此举将节约上千吨物流小票和 POS 小票产生的物料。 2016 年 6 月,京东推出的...
【简答题】A) Rainfall has been increasing steadily in Yoknapatawpha County since 1995. B) In that year, annual rainfall was 32 inches. C) By 2008, it was 40 inches, with an increase each year between 1995 and 2...
【单选题】2008 has been a year for green transportation because _ .
A.
green transport became more efficient than before
B.
it ’ s time for us to reduce our dependence on private cars
C.
automakers produced more environment-friendly products
D.
all of the above
【单选题】In the 17th century, Otto von Güricke, a physicist in Magdeburg, fitted two hollow bronze hemispheres together and removed the air from the resulting sphere with a pump. Two eight-horse teams could no...
A.
twice what it was before
B.
exactly the same as what it was before
C.
half what it was before
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