Read the following text and decide which answer best fits each space. For questions 26~45, mark one letter A, B, C or D on y

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问题     Read the following text and decide which answer best fits each space.
    For questions 26~45, mark one letter A, B, C or D on your Answer Sheet
                            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【C1】______in the paragraphs below.
    Energy consumption will always be on the【C2】______as population levels grow, and so any manufacturing processes which help to reduce energy consumption are【C3】______
    The Energy Information Administration(EIA)claim that there can be as【C4】______as a 40% energy saving when recycling paper over producing paper【C5】______the direct raw material.
    Although recycling paper has many【C6】______, it also has its drawbacks. One of these drawbacks is that we cannot recycle the【C7】______paper product for eternity, as the fibers contained within the paper degrade over time,【C8】______their strength and length.
    On【C9】______, an individual paper fiber can only be recycled a【C10】______of six times. Although this is a significant drawback, the six time recycling process will help to【C11】______a great deal of energy when you consider【C12】______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【C13】______the intensity of deforestation for paper products up to a factor of 6.
    With paper production said to【C14】______around 40% of harvested wood, and paper said to【C15】______around 90% wood, you can see how recycling paper is an important process for the【C16】______of our forests.
    Today, the use of recycled paper products is on the increase, as more and more people begin to recycle paper【C17】______products around the home.
    Although there are slight differences in the recycling processes of different【C18】______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【C19】______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【C20】______of recycling various products.
【C2】

选项 A、fall
B、rise
C、top
D、surface

答案B

解析
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