考前必看：2019年GRE考试阅读模拟题4

相信很多考生对阅读试题并不陌生，但是我们依然会遇到很多问题，因为阅读考验的是大家的综合能力，不只是书本上的知识，还有我们的理解能力和阅读能力，今天小编就给大家带来了这篇模拟题，在坦途网GRE考试频道还有很多相关的内容，现在我们先来看看这篇文章吧！

Aedes albopictus，a variety of mosquito that has recently established itself in the southeastern United States，is less widespread than the indigenous swamp mosquito. Both the swamp mosquito and A. albopictus can carry viruses that are sometimes fatal to humans，but A. albopictus is a greater danger to public health. Each of the following， if true，provides additional information that strengthens the judgment given about the danger to public health EXCEPT：

（A） Unlike the swamp mosquito, A. albopictus originated in Asia, and larvae of it were not observed in the United States before the mid-1980's.

（B） Unlike the swamp mosquito, A. albopictus tends to spend most of its adult life near human habitation.

（C） Unlike swamp mosquito larvae, A. albopictus larvae survive in flower pots, tin cans, and many small household objects that hold a little water.

（D） In comparison with the swamp mosquito, A. albopictus hosts a much wider variety of viruses known to cause serious diseases in humans.

（E） A. albopictus seeks out a much wider range of animal hosts than does the swamp mosq-uito, and it is more likely to bite humans.

答案：A

Comparison of the growth rings of ancient trees enables scientists to determine from a piece of timber the year in which the tree used for the timber was felled.Hence, by analyzing the growth rings in timber surviving from ancient buildings, archaeologists can determine precisely when those buildings were constructed.

Which of the following is an assumption on which the argument depends？

（A） The timber used for construction purposes in ancient times was made from very old trees.

（B） The timber that was used in ancient building construction had not, prior to being used in the construction of the buildings, lain unused for an indeterminable amount of time.

（C） The growth rings of any tree felled in a given year are identical to the growth rings of any other tree felled in that year.

（D） The oldest of the ancient buildings that survive to the present day were constructed of the most durable woods.

（E） Ancient builders did not use more than one type of wood for the construction of a given building.

答案：B

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