希賽網(wǎng)為同學(xué)們整理了2015年華東交通大學(xué)考博英語真題完形填空部分，供考生們備考復(fù)習(xí)。

The change in globally averaged temperature that have occurred at that the Earth’s surface over the past century are similar in size and timing to those(1)by models take into account the combined influences of human factors and solar variability.

To(2)the question of attribution requires the(3)of more powerful and complex methods, beyond the use of global averages alone. New studies have focused on(4)maps or patterns of temperature change in(5)and in models. Pattern analysis is the climatologically equivalent of the more comprehensive tests in the medical analogy mentioned(6), and makes it possible to achieve more definitive(7)of observed climate changed to a particular cause or causes.

The expected influence of human activities is thought to be much more complex than uniform warming over the entire surface of the Earth and over the whole(8)cycle. Patterns of change over space and time therefore provide a more powerful(9)technique. The basic idea(10)pattern-based approaches is that different(11)causes of climate change have different characteristic patterns of climate response or fingerprints. Attribution studies seek to (12)a fingerprint match between the patterns of climate change(13)by models and those actually observed.

The most recent assessment of the science suggests that human activities have led to a discernible(14)on global climate and that these activities will have and increasing influence on future climate. The burning of coal, oil and natural gas, as well as various agricultural and industrial practices, are(15)the composition of the atmosphere and contributing to climate change. These human activities have led to increased atmospheric(16)of a number of greenhouse gases, including carbon dioxide, methane and so on in the lower atmosphere.

Human activities, such as the burning of fossil, have also increased the(17)of small particles in the atmosphere. These particles can change the(18)of energy that is absorbed and reflected by the atmosphere. They are also believed to modify the(19)of air and clouds, changing the amount of energy that they absorb and reflect. Intensive studies of the climate effects of these particles began only recently and the overall(20)is uncertain. It is likely that the net effect of these small particles is to cool the climate and to partially offset the warming of increasing concentrations of greenhouse gases.

1.A、 incensed           B、 personify         C、 interact         D、 predicted

2.A、 array                 B、 ascertain          C、 probe            D、 perturb

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