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)indicates how big a_______ (52)of losing fingerprints is．
Eng-Huat Tan．a 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．accepted 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