問題詳情

III. Cloze Test: Choose the best answer for each blank in the passage.As the nation’s opioid crisis worsens, the authorities are confronting a resurgent, unruly player in the illicittrade of the deadly drugs, 21 that threatens to be even more formidable than the cartels.In a growing number of arrests and overdoses, law enforcement officials say, the drugs are being boughtonline. Internet sales have allowed powerful synthetic opioids such as fentanyl — the fastest-growing cause ofoverdoses nationwide — to reach living rooms in nearly every region of the country, as they arrive in smallpackages in the mail.The authorities have been 22 in their efforts to crack down on the trade because these sites generallyexist on the so-called dark web, where buyers can visit 23 using special browsers and make purchaseswith 24 currencies like Bitcoin.The problem of dark web sales appeared to have been 25 in 2013, when the authorities took downthe most famous online marketplace for drugs, known as Silk Road. But since then, countless successors havepopped up, making the drugs readily available to tens of thousands of customers who would not otherwisehave had chances to reach them.
21.
(A) in
(B) one
(C) so
(D) a drug

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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