請依下文回答第 51 題至第 55 題
       The Customs Administration’s canine division last year helped customs officers __51__ 758kg ofillegal drugs, which were valued at NT$330 million (US$11.86 million). Most of the narcotics detectedby sniffer dogs were ketamine, the agency said. Taiwan has 37 detection dogs, with each dog workingwith one dog handler. Detection dogs are put __52__ duty whenever high-risk flights arrive, and theymust finish __53__ the luggage in about 10 minutes, it added. With the establishment of the MaritimeExpress Consignments Clearance service at the Keelung Customs Office and the construction of TaiwanTaoyuan International Airport’s Terminal 3 expected to be completed in 2026, the center said it is aimingto expand the canine division from 37 to 44 sniffer dogs by 2025. The center said that its main task in thenext few years is to train more Labradors to find tobacco, narcotics or explosives __54__ the MilitaryPolice Command, the National Fire Agency, the National Police Agency, the Bureau of Animal and PlantInspection and Quarantine, and other agencies. The success rate of training Labrador puppies to becomedetection dogs has reached more than 20 percent, as puppies born from second-generation dams tend tobe stronger and healthier, it said. As the __55__ of puppies is expected to double in the next three years,people living south of Taoyuan or north of Yunlin County are encouraged to become foster families ofpuppies, the center said, adding that companies in central Taiwan can offer facilities for puppy training.
【題組】51
(A) intercept
(B) intrigue
(C) impact
(D) imply