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Populations of well-loved species such as the turtle dove, nightingale and cuckoo, which come to breed in the UK and the Contine

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问题     Populations of well-loved species such as the turtle dove, nightingale and cuckoo, which come to breed in the UK and the Continent every spring, are rapidly declining. Nobody knows for sure what【S1】______they may be running into. Yet there is little doubt populations are【S2】______at an alarming rate, and only an international effort can【S3】______their plight(困境), according to the Royal Society for the Protection of Birds(RSPB)and BirdLife International.
    This effort should begin at the conference of Convention on the Conservation of Migratory Species of Wild Animals being held this week in Bergen, Norway. Dr. Danae Sheehan, an expert on the declining migrants, will be speaking for them at the meeting. "Migrant birds connect Europe and Africa, crossing our【S4】______, cultures and lives," she said. "Millions of birds make this【S5】______long-distance journey twice each year, but the numbers spanning the two continents are reducing【S6】______With dramatic land use change in both Europe and Africa, and【S7】______on migration, such as illegal killing in the Mediterranean, these birds have enormous struggles ahead. Without international cooperation, we’re concerned these species will continue their【S8】______path."
    The situation has become so severe that the RSPB and BirdLife are urging that turtle doves, warblers and flycatchers should be the focus of a【S9】______international conservation plan. Their representatives will call on parties at Bergen to support a【S10】______for action. It urges the development of an action plan for the conservation of African-Eurasian migrant land birds and their habitats throughout the flyway connecting Europe and Africa.
A)address F)trouble K)expanding
B)rapidly G)shrinking L)hazards
C)downward H)perfectly M)borders
D)resolution I)deal N)incredible
E)revolution J)coordinated O)reserved
【S8】
选项
答案C
解析 形容词辨析题。空格处应填入形容词，修饰path“方向，路线”。纵观形容词选项，只有downward“向下的”符合文意。整句的意思是“没有国际合作，这些物种将会继续走下坡路”，言外之意就是，鸟类的处境会更加困难，数量会继续下滑。
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大学英语四级

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