共用题干The Case of the Disappearing Fingerprints
One useful anti-cancer drug can effectively erase the whorls and other characteristic marks that give people
their distinctive fingerprints（指纹）.Losing them could become troublesome. A case________( 51) online
in a letter by Annals of Oncology（肿瘤学）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 used capecit-
abine 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 by U. S. customs officials
__________(55)4 hours after entering the country when those officials couldn't get fingerprints from the
man.There were no__________(56)swirly marks appearing from his 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 cause fingerprints to
disappear.
Eventually,the Singapore traveler made it into the United States.I guess the name on his passport didn't raise
any red flags. But he's also now got the doctor's explanatory note一and won't leave home__________(62)it.
By the way , maybe the Food and Drug Administration（美国食品药物管理局），__________( 63)
approved use of the drug 1 1 years ago,should consider updating its list of side effects___________(64)with
this medicine. The current list does note that patients may experience vomiting（呕吐）,stomach pain and
some other side effects.But no where__________(65)it mention the potential danger for loss of finger-
prints. _________(65)A:mustB:doesC:canD:should