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  3. A controversial decision on whether choice cuts of steak and cartons of milk produced from cloned animals are suitable for the d

A controversial decision on whether choice cuts of steak and cartons of milk produced from cloned animals are suitable for the d

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问题     A controversial decision on whether choice cuts of steak and cartons of milk produced from cloned animals are suitable for the dinner table is now long overdue.
    Hundreds of pigs, cows and other animals created with the help of cloning are living (1)_____ farms across the United States and (2)_____ the forthcoming ruling will directly (3)_____ American consumers, British holidaymakers may also (4)_____ themselves at the forefront of a food revolution that many commentators expect will (5)_____ arrive here.
    (6)_____ the birth of Dolly the sheep—the first mammal cloned from an adult cell—there were extreme predictions of herds of genetically (7)_____ bulls and pastures (8)_____ with cloned dairy cows.
    That double (9)_____ of the past decade has not yet been realized (10)_____ clones have become a familiar sight at agricultural fairs in America, where producers of (11)_____ pigs and cattle have been among the first to (12)_____ cloning, which offers a way to keep (13)_____ traits without inbreeding problems caused by traditional methods. Clones of rare and elite animals, including sheep, goats, and rabbits, (14)_____ a way to improve animal healthy, (15)_____ the nutritional value of meat and milk, and breed animals immune (16)_____ diseases or better suited for developing countries.
    The safety of cloned (17)_____ has been under examination by various bodies. Three years ago the US National Academy of Science concluded that (18)_____ available data indicated that cloning met animal welfare and food safety considerations, more information was needed. (19)_____ scientific evidence suggests that there is little (20)_____ for alarm, at least on food-safety grounds.

选项 A、covered
B、marked
C、dotted
D、scattered
答案C
解析 词汇辨析题。本段讲到克隆羊多莉的出现引起了极端的推测，认为克隆动物将大行其道，遍布各地；dotted意为to cover with or as if with dots"点缀，用或似用点布满"，原句的意思是克隆奶牛将遍布各个牧场，因此选dotted。cover意为"覆盖，掩盖"；mark意为"做标记于，标志"；scatter意为"分散，散开"；这三个词均不符合题意。
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考研英语一

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