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问题 单项选择题

表现为心胸憋闷刺痛，痛处不移的心脉痹阻证，其病因是

A．寒凝

B．瘀阻

C．气滞

D．痰阻

E．气虚

答案

参考答案：A

材料分析题

有关专家通过模拟区域气候情景，对新疆、甘肃、青海等省区气温与降水变化进行了预测。结果显示，未来10~50年间，中国西北地区年均气温升高2.7℃，年均降水量增加25%，大部分地区有望逐年湿润起来。结合下列材料，回答下列问题。

材料一：北疆和南疆年平均降水量的变化情况。

材料二：阿克苏河（塔里木河的主源）年平均径流量的变化情况。

材料三：塔里木盆地博斯腾湖的水位和面积变化情况。

（1）根据上述材料，说明我国西北地区的气候发生了哪些明显变化？导致这种变化的主要原因是什么？

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（2）上述变化对西北地区的生态环境有哪些影响？ 

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（3）简要回答这种变化可能带来的不利影响，以及防治措施。 

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填空题

Recycling Paper


The process of recycling paper can help to reduce deforestation and energy consumption on a significant scale. There are many different reasons why we should recycle paper products, and some of these are (26) in the paragraphs below.
Energy consumption will always be on the (27) as population levels grow, and so any manufacturing processes which help to reduce energy consumption are (28)
The Energy Information Administration (EIA) claim that there can be as (29) as a 40% energy saving when recycling paper over producing paper (30) the direct raw material.
Although recycling paper has many (31) , it also has its drawbacks. One of these drawbacks is that we cannot recycle the (32) paper product for eternity, as the fibers contained within the paper degrade over time, (33) their strength and length.
On (34) , an individual paper fiber can only be recycled a (35) of six times. Although this is a significant drawback, the six time recycling process will help to (36) a great deal of energy when you consider (37) much paper there is to be recycled.
If paper fibers can be recycled up to 6 times, and we recycled all paper products, this could help to (38) the intensity of deforestation for paper products up to a factor of 6.
With paper production said to (39) around 40% of harvested wood, and paper said to (40) around 90% wood, you can see how recycling paper is an important process for the (41) of our forests.
Today, the use of recycled paper products is on the increase, as more and more people begin to recycle paper (42) products around the home.
Although there are slight differences in the recycling processes of different (43) of paper products (e.g. corrugated, mixed paper, newspaper products), we are able to recycle just about any type of paper product around today.
The recycling logo helps to (44) a recyclable product and can also sometimes help to identify if the product contains any recycled material, in the form of a percentage. This helps a consumer to identify the (45) of recycling various products.

A. welcomed B. challenged C. created D. introduced
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