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填空题
Conservationists are trying to save primary forests because they have much higher levels of biodiversity.____
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解析：
根据题干信息“primary forests”和“trying to save”可以定位到F段“Primary forests usually have much higher levels of biodiversity than secondary ones, which is part of the reason conservationists are trying to save old growth.”，故匹配段落为F段。
根据题干信息“primary forests”和“trying to save”可以定位到F段“Primary forests usually have much higher levels of biodiversity than secondary ones, which is part of the reason conservationists are trying to save old growth.”，故匹配段落为F段。
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根据下列内容，回答207-210题。
The makers of Europe's toilet paper and other household paper goods are contributing todeforestation by failing to offer consumers enough recycled products, conservationists said recently.
"Everyday about 270,000 trees are effectively flushed down the toilet or end up as garbagearound the world; such a use of the forests is both wasteful and unnecessary," said Duncan Poundof WWF, formerly known as the World Wildlife Fund.
According to a WWF study, the five biggest manufacturers of disposable paper products inEurope are Procter and Gamble, SCA, Kimberly Clark, Mesa Tissue and Georgia Pacific, whichcontrolabout 70 percent of European market. The vast majorityof their products contain"alarmingly low levels" of recycled fibers, it said.
That means that"virgin fibers" extracted from natural forests and tree plantations around theworld"end up as waste without the consumer's knowledge, ” the Switzerland-based internationalconservation group said in this communique.
"Consumers have no idea that they may be threatening the world's forests when they go to thebathroom, "said Pollard, who heads the WWF program on European forests.
"The manufactures claim that retailers mainly want non-recycled products because that is whatconsumers choose." the WWF said.
"It's a myth that recycled tissue products are not of good quality." Pollard said.
The European tissue business is worth around 8.5 billion euros(10 billion dollars) annuallyand accounts for 26 percent of global consumption.
Each European uses on average 13 kilos of paper products per year, the WWF said.
The WWF has asked the companies to better inform consumers about how much of theirhousehold paper goods are made with recycled fibers and to advise them to buy bounds of recycledtoilet paper and tissues.
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B.Consumers don't waste "virgin fibers" without knowledge
C.Consumers stopped using "virgin fibers" as waste because of knowledge
D.Consumers waste "virgin fibers" without know it
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B.little tiny trees that are growing
C.vegetable gardens that are planted
D.a light,pinkish view from space
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Satellites have provided other information about changes on earth．In the past ten years,more than four miles have shrunk from glaciers in Alaska．Landsat 7 received these computer images of Glacier Bay in Alaska.
Hurricanes Floyd and Irene have damaged the coastline in North Carolina．Runoff from farms and silt have gone into the．ocean according to satellite images．Loss of trees and forests have caused hotter summers in southern cities such as Atlanta,Georgia.
The Landsat 7 images are like pictures in a photo album．Instead of pictures of the family,the album shows changes around the globe in the past 25 years.
A new satellite,Terra,is going to be launched by NASA soon．It will be more advanced than Landsat 7 and will take important global pictures．Ocean temperatures and energy loss will be provided by Terra daily.
Landsat 7 knows that Alaskan glaciers have shrunk because__.A.sightseers have noted the changes
B.computer-animated views have shown the shrinkage
C.one of the glaciers was hit by a ship
D.the temperatures are much colder
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填空题Conservationists are trying to save primary forests because they have much higher levels of biodiversity.____
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