共用题干 One useful anti-cancer drug can effectively erase the whorls(箩状指纹)and other characteristic marks that give people their distinctive fingerprints.Losing_________(51)could become troublesome. A case released online in a letter by Annals of Oncology(《肿瘤学年报》)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 capecitabine(卡培他滨，一种化疗药物)to _________( 53 ) his nasopharyngeal(鼻炎的)cancer.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 distinctive swirly(旋涡状的)_________(56)appearing from his index finger.U.S.customs has been fingerprinting incoming foreign visitors for years,Tan says.Their index fingers are _________(57)and screened against digital files of the fingerprints of bad guys一terrorists and potential criminals that our federal guardians have been tasked with keeping out of the coun-try. Unfortunately,for the Singaporean traveler,one potential_________(58)effect of his drug treatment is a smoothing of the tissue on the finger pads.__________(59),no fingerprints."It is uncertain when fingerprint loss will__________(60)to take place in patients who are taking capecitabine,"Tan points out. So he cautions any physicians who________(61)the drug to provide their patients with a doctor's note 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 is also now got the explanatory doctor's note一and won't leave home _________(62)it.By the way,maybe the Food and Drug Administration,__________(63)approved use of the drug 11 years ago,should consider_________(64)its list of side effects associated with this medicine.The current list does note that patients may experience vomiting,stomach pain and some other side effects.But no where________(65)it mention the potential for loss of fingerprints. _________(51)
A.he B.them C.her D.him正确答案B
