1.[]Bob believes that the invasion of the marketplace into the university is undermining fundamental academic values, and that we must act now to halt this decline.A.lace B.plug C.cease D.digestABCD
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参考答案：C
参考解析：halt“阻止”。 lace“用花边、饰带装饰”；plug“嵌入，插入”；cease“停止，终了”；digest“消化”。