Unit 5 一周复盘（外刊）学案 2022-2023学年高中英语人教版必修第二册

Squirrels on drug dutyKey Words 1.on drug duty 缉毒任务 2.benefit /ˈbenɪfɪt/ n.利益,好处 beneficial adj. 有益的 3.detect /dɪˈtekt/ v.检测，探测 detection /dɪˈtekʃ(ə)n/ n.检测 4.colleague /ˈkɒliːɡ/ n.同事 5.approve /əˈpruːv/ v.批准,同意 6.responsibility /rɪsˌpɒnsəˈbɪlɪti/ n.责任 responsible /rɪsˈpɒnsəbᵊl/ adj.有责任的 7.have a sharp sense of smell 有敏锐的嗅觉 8.foot n.英尺 9.centimeter /ˈsɛntɪˌmiːtə/ n.厘米 10.swift /swɪft/ adj. 机灵的 11.search for 搜寻 12.package /ˈpækɪʤ/ n.包裹 13.stack /stæk/ v. 堆 14.warehouse /ˈweəhaʊs/ n.仓库，货仓 15.claw /klɔː/ n.爪子 16.scratch /skræʧ/ v.抓 17.catch one’s attention吸引某人的注意 18.authority /ɔːˈθɒrɪti/ n.行政管理机构，权威 19.self-developed adj.自主研发的 20.be applied to被应用于 21.reflex /ˈriːflɛks/ n.反应 22.various /ˈveərɪəs/adj.多样的 variety/vəˈraɪəti/ n.种类 23.handler/ˈhændlə/ n.(犬马等)训练者 24.add v.补充道 25.identify/aɪˈdɛntɪfaɪ/ v.辨别，辨认 26.is designed for 为...设计 27.as well 也，还 28.publish /ˈpʌblɪʃ/v.发表 29.detail /ˈdiːteɪl/ v.详细说明 30.condition/kənˈdɪʃᵊn/ v.训练,使习惯于;控制,制约 31.factor/ˈfæktə/ n.因素 32.be familiarized with 精通，掌握 33.gesture /ˈʤɛsʧə/n. 姿势 34. explosive n.爆炸物 expose v. 暴露，爆炸 35.scenario /səˈnɑːriəʊ/ n.情景 36.be rewarded with得到奖励 37.treat /triːt/n.款待，美食 38.spontaneously /spɒnˈteɪniəsli/ adv.自发地 39.the conditioned reflex 条件反射 40.end with 以...结束 41.practice session/ˈsɛʃᵊn/ n.练习期,实习期 Small animals provide big benefits Detecting drugs used to be a special job for dogs, but now a drug detection team is welcoming some new colleagues – squirrels. Six Eurasian red squirrels were trained and approved for work responsibilities by police in Chongqing in February. Squirrels have a sharp sense of smell as they can smell food under a foot (about 30 centimeters) of snow. Being so small and swift , the “newcomers” are able to search for drugs in places where dogs may not be able to reach, such as in narrow spaces or on top of packages stacked high in warehouses. The squirrels have been trained to use their claws to scratch at boxes in order to catch their handlers’ attention if they detect drugs, according to lo