正常类信贷资产是指借款人能够履行合同，没有足够理由怀疑本息不

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问题判断题

正常类信贷资产是指借款人能够履行合同，没有足够理由怀疑本息不能按时足额偿还的信贷资产。（）

答案

参考答案：对

解答题

有两种蠓虫，一种是疾病的媒介，记为A；另一种却是有益的花粉传播者，记为B．现有A、B两种蠓虫各6只，它们的触角和翼的长度列如下表：

A种		B种
翼长	触角	翼长	触角
1.78	1.14	1.72	1.24
1.86	1.20	1.74	1.36
1.96	1.18	1.70	1.41
2.00	1.26	1.82	1.38
2.00	1.28	1.82	1.48
1.86	1.29	1.82	1.50

记6只A种蠓虫的平均翼长、触角分别为A₁和A₂，6只B种蠓虫的平均翼长、触角分别为B₁和B₂．
（1）计算|A₁-B₁|+|A₂-B₂|；
（2）对于一只新捕捉到的蠓虫，记其翼长和触角分别为x和y．
如果|x-A₁|+|y-A₂|＞|x-B₁|+|y-B₂|，则认为它是A种蠓虫，否则认为是B种蠓虫．
现知，x=1.80，y=1.24，请判断该蠓虫是哪一种蠓虫？为什么？

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单项选择题

Over the last century, paleontologists have used small differences between fossil specimens to classify Triceratops into sixteen species. This classification is unjustified, however, since the specimens used to distinguish eleven of the species come from animals that lived in the same area at the same time.
Which of the following, if true, would enable the conclusion of the argument to be properly drawn

A．Not every species that lived in a given area is preserved as a fossil.

B．At least one individual of every true species of Triceratops has been discovered as a fossil specimen.

C．No geographical area ever supports more than three similar species at the same time.

D．In many species, individuals display quite marked variation.

E．(E) Differences between fossil specimens of Triceratops that came from the same area are no less distinctive than differences between specimens that came from different areas.

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