:2019人教版高考英语一轮复习必修33Unit3知能演练(含答案)

 
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Known as “The Man with the Golden Arm”，nearly every week for the past 60 years，James Harrison has donated blood plasma(血浆) from his right arm. The reasons can date back to a serious medical procedure.
“When I was 14，I had a chest operation，”recalls Harrison，who is now aged 80.“My father said I had received 13 units of blood and my life had been saved by unknown people. So I said when I’m old enough，I’ll become a blood donor.”
Soon after Harrison became a donor，doctors called him in. His blood，they said，could be the answer to a deadly problem.
“In Australia，up until about 1967，there were about thousands of babies dying each year because of the rhesus disease(恒河猴溶血病)，”explains Jemma Falkenmire，of the Australian Red Cross Blood Service.
Harrison was discovered to have an unusual antibody(抗体)in his blood and in the 1960s he worked with doctors to use the antibodies to develop an injection(注射)called Anti­D which can prevent this disease.
Harrison’