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【单选题】
下列关于物流信息技术说法错误的是（）.A.
是物流现代化的重要标志
B.
主要由硬件软件和面向行业的业务管理系统组成
C.
包括条形码技术EDI技术RFID技术GIS技术
D.
物流信息技术包括物联网技术
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举一反三
【单选题】在多元方差分析中,SSE和SS(TR)之和等于总叉积矩阵SST。当SS(TR)在SST中占有较大的份额时,可以认为随机影响( ),不同试验间的观测值( )显著性差异。
A.
过大,存在
B.
过大,不存在
C.
过小,存在
D.
过小,不存在
【单选题】“An independent technician” in the first sentence of the second paragraph means
A.
A technician who checks a car free of charge．
B.
A technician who learned his trade all by himself．
C.
A technician who works f10r a particular car-dealer．
D.
A technician wh0 runs his own inspection service．
【简答题】“An independent technician” in the first sentence of the second paragraph means__. A) A technician who checks a car free of charge. B) A technician who learned his trade all by himself. C) A technicia...
【单选题】听力原文：M: If you take the fancy model, we'll throw in the first tank of gas free. W: You've talked us into it. Where do I sign? Q: What does 'it' refer to? (18)
A.
Renting a car.
B.
Making a model.
C.
Filling tank.
D.
Signing a paper.
【单选题】'An independent technician' in the first sentence of the second paragraph means______.
A.
a technician who checks a car free of charge
B.
a technician who learned his trade all by himself
C.
a technician who works for a particular car-dealer
D.
a technician who runs his own inspection service
【简答题】第二节 完形填空(共20小题;每小题1.5分,共30分) 阅读下面短文,掌握其大意,从每题所给的A、B、C、D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。 Regardless of the weather or the distance, Paul Wilson will make sure low-income students in his neighbourhood arrive a...
【单选题】在多元方差分析中,叉积矩阵有SS(TR)、SSE和SST,下列描述正确的是( )。
A.
SST称为总叉积矩阵,反映全部数据的误差
B.
SS(TR)称为总叉积矩阵,反映全部数据的误差
C.
SSE称为组内叉积矩阵,反映系统因素引起的误差
D.
SS(TR)称为组间叉积矩阵,反映随机因素引起的误差
【单选题】Which of the following is not the extraordinary thing Gruen got for the first time?
A.
Sloping road around the perimeter of the mall.
B.
Free shipping services.
C.
Low balconies of the shops.
D.
Animal signs in car park.
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