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【单选题】
_____________________________________________________________ There are more households living in actual poverty than there are households below the poverty line. A recent report states that as much as 30% of Americans have trouble making ends meet and other advocates have made supporting claims that the rate of actual poverty in the US is far higher than that calculated by using the poverty line. While the poverty line is updated for inflation every year, the basket of goods used to determine what constitutes being deprived of a socially acceptable minimum standard of living has not been updated since 1955. Choose the best topic sentence for this body paragraph.
A.
The issue of understating poverty is especially pressing in the states with both a high cost and a high poverty rate such as California.
B.
The poverty line lost all connection over time with current consumption patterns of the average family.
C.
The official poverty line today is essentially what it takes in today's dollars to purchase the same poverty-line level of living half a century ago.
D.
Many sociologists and government officials have argued that poverty in the US is understated.
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举一反三
【单选题】分拣的基本流程不包含 ( )
A.
拣货信息的产生
B.
行走和搬运
C.
拣取
D.
打单
【判断题】关税同盟是统一实体,对内没有关税,对外使用统一的关税制度和关税税境。
A.
正确
B.
错误
【判断题】商品发放的原则是“易坏先出”。
A.
正确
B.
错误
【判断题】商品发放的原则是“易坏先出”
A.
正确
B.
错误
【多选题】线的主要类型有哪些?
A.
虚线
B.
折断线
C.
直线
D.
曲线
【判断题】Chained methods are executed from right to left.
A.
正确
B.
错误
【简答题】作业( 20200221 ) 1. 电流实际方向与参考方向 _______ 时,电流值为正;电流的参考方向与实际方向 _____ 时,电流为负。 2. 把一根铜导线剪成两段,其中一段是另一段的 7 倍,然后再把它们两端分别并联在一起,则电阻值是原来的 ____ _ ___ 倍 。 3. 一根阻值为 4 Ω 的导线,把它均匀拉长为原来的 3 倍,拉长后导线的阻值为 ________ Ω 。 4. 若...
【简答题】有三只电阻R1:R2:R3=1:3:5 。如果把它们串联在电路中,则电阻上电压之比U1:U2:U3 =______________,如果把它们并联在电路中,电阻上的电流之比I1:I2:I3 =_____________。
【判断题】利用成脎反应可证明 D- 葡萄糖、 D- 甘露糖、 D- 果糖这三种糖的 C3 、 C4 和 C5 具有相同的构型。
A.
正确
B.
错误
【多选题】主要的直线型有哪些?
A.
水平线
B.
垂直线
C.
对角线
D.
折线
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