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時(shí)間：2025-09-20 14:30:33 教學(xué)計(jì)劃我要投稿

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The Case of the Disappearing Fingerprints

　　One useful anti-cancer drug can effectively erase the whorls and other characteristic marks thatgive people their distinctive fingerprints(指紋)．Losing them could become troublesome．A case___________(51)online in a letter by Annals of Oncology(腫瘤學(xué))indicates how big a_______ (52)of losing fingerprints is．

　　Eng-Huat Tan．a(chǎn) Singapore-based medical doctor describes a 62-year old man who has usedcapecitabine to_________(53)his nasopharyngeal cancer(鼻咽癌)．After three years on the (54)，the patient decided to visit U．S．relatives last December．But he was stopped byU．S．customs officials__________(55)4 hours after entering the country when those officialscouldn't get fingerprints from the man．There were no___________(56)swirly marks appearing fromhis index finger．

　　"U．S．customs has been fingerprinting incoming foreign visitors for years，"Tan says．"unfortunately,for the Singaporean traveler，one potential__________(57)effect of his drug treatment is a smoothing of the tissue on the finger pads．_________(58)，no fingerprints．"

　　"It is uncertain when fingerprint_________(59)will begin to take place in patients who are taking capecitabine，"Tan points out．So he__________(60)any physicians who prescribe the drug to provide their patients with a doctor's_________(61)pointing out that their medicine may causefingerprints to disappear．

　　Eventually，the Singapore traveler made it into the United States．I guess the name on his pass-port didn't raise any red flags．But he's also now got the explanatory doctor's note-and won't 1eavehome___________(62)it．

　　By the way，maybe the Food and Drug Administration(美國(guó)食品藥物管理局)，_________(63)approved use of the drug 11 years ago，should consider updating its list of side effects________(64)with this medicine．The current list does note that patients may experience vomiting(嘔吐)，stomach pain and some other side effects．But no where___________(65)it mention the po．tential for loss of fingerprints．

　　51．A．released B．suggested C．a(chǎn)ccepted D．detected

　　52．A．problem B．gap C．sickness D．secret

　　53．A．cut B．treat C．find D．smooth

　　54．A．diet B．exercise C．recovery D．drug

　　55．A．in B．for C．a(chǎn)t D．from

　　56．A．different B．strange C．interesting D．distinctive

　　57．A．good B．side C．normal D．main

　　58．A．However B．Meanwhile C．Hence D．Yet

　　59．A．chance B．mark C．loss D．danger

　　60．A．reports B．discourage C．cautions D．praise

　　61．A．note B．name C．book D．number

　　62．A．on B．out C．without D．off