[不定项选择题]共用题干 The Case of the Disappearing Fingerprints

One useful anti-cancer drug can effectively erase the whorls（箩状指纹）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)
losing fingerprints is.
Eng-Huat Tan,a Singapore-based medical doctor describes a 62-year-old man who has used
capecitabine（卡培他滨）to
______________ ( 53 ) his nasopharyngeal cancer（鼻咽癌）.After three years on
the_______________ (54),the patient decided to visit his 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 finger-
prints from the man. There were no ___________( 56 ) swirly（旋涡状的）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 tis-
sue 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 disap-
pear.Eventually,the Singapore traveler made it into the United States.But he's also now got the doctor's ex-
planatory 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 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（呕吐）,stomach pain and
some other side effects.But no where_______________ (65)it mention the potential for loss of fingerprints. _________(62)
A.on
B.out
C.without
D.off