To alleviate the problem of contaminated chicken, the experts recommend that the government shift its inspection emphasis from c

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问题 To alleviate the problem of contaminated chicken, the experts recommend that the government shift its inspection emphasis from cursory bird-by-bird visual check to a more ______random sampling for bacterial and chemical contamination.

选项 A、rigorous
B、perfunctory
C、symbolic
D、discreet

答案D

解析 rigorous“严格的,严峻的”;perfunctory“马马虎虎的”;symbolic“象征的”;discreet“小心的,谨慎的”。由句意可以推断出,此处应填与cursory“粗略的”意思相反的词,故应填谨慎的,故选D。
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