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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、eventually
B、accidentally
C、occasionally
D、promptly
答案A
解析 语义衔接题。前文描述克隆动物现在已经非常普遍，因此预期中的食品革命只不过是个时间问题，所以选eventually"最后，终于"。accidentally意为"偶然地，意外地"；occasionally意为"有时候，偶尔"；promptly意为"敏捷地，迅速地"；这三个词均不符合题意。
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考研英语一

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