【单选题】Things in the henhouse changed practically overnight when McDonald’s announced in 1999 that it would no longer buy eggs from producers who didn’t meet its guidelines for care of chickens. Those guidelines included limiting the (51) of birds that could be kept in one (52) and prohibiting beak removal, (53) trimming just the tips.
Once McDonald’s had (54) the way in issuing animal care guidelines for the company’s suppliers, many other giants of the fast food industry rapidly followed suit, includingBurger King, TacoBell, Pizza Hut, Wendy’s,A&W, and KF
C、Now, theAmerican Meat Institute has (55) welfare guidelines and audit (56) for cattle, pigs, and chickens.And theEuropean Union, representing our foreign customers, is also weighing in with, among other things, legislation banning (57) use of crates to house pregnant sows, effective in 2013.
Questions about animal care (58) with the explosive growth in large scale livestock farms, (59) spurred customers to complain about animals being treated as "factory parts." That spurredARS and the livestock industry to take a proactive approach to addressing animal welfare issues, making sure that guidelines are based on facts (60) through scientific research. The goal is to share research findings with the retail food industry and others so that the livestock industry can improve its (61) guidelines.
Ten years ago, to address these concerns,ARS started a research program on livestock behavior and stress. The scientists involved were tasked with finding out whether modem farming practices were (62) stressing animals.And if so, could scientific methods be developed lo measure this stress so that (63) could be evaluated objectively rather than subjectively
A、decade later, the (64) answer is "yes" to both questions. Many had expected the answer to be "no" on both counts, but science works independently (65) people’s opinions.
A.who
B.what
C、which
D.how
网考网参考答案:C
网考网解析:
解这道题时,首先要理清句子结构。逗号后面的句子应为非限制性定语从句,修饰前面整句话,待选词应为引导定语从句的关系代词,据此可排除what和how。又因为这个定语从句修饰的不是人,who也被排除。正确答案只能为C。
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