问题
单项选择题 B1型题
双抗体夹心ELISA可检测（）
A.ENA抗体
B.AFP
C.T3、T4
D.CD3
E.IgM类抗体
答案
参考答案：B
解析：AFP属于大分子抗原，可通过双抗体夹心ELISA检测。ENA是一组复杂混合抗体，酶免疫印迹技术可同时检测多种ENA抗体。捕获法ELISA可检测IgM类抗体。
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双抗体夹心ELISA可检测（）
A.ENA抗体
B.AFP
C.T3、T4
D.CD3
E.IgM类抗体
参考答案：B
解析：AFP属于大分子抗原，可通过双抗体夹心ELISA检测。ENA是一组复杂混合抗体，酶免疫印迹技术可同时检测多种ENA抗体。捕获法ELISA可检测IgM类抗体。
This is my third story．When I was seventeen, I 36 a quote （引文） that went something like, " If you live each day 37 it was your last, someday you'll most certainly be right．" Since then, for the past thirty-three years, I've looked 38 the mirror every morning and asked myself, "If today were the last day of my life, what would I do ?" And when there was no answer for too many days in a 39 , I know I need to change something． About a year ago I 40 from cancer．The doctors told me it was incurable, and that I should 41 to live no longer than three to six months．They advised me to get my 42 in order, which is doctors' code （代名词） for "prepare to 43 "．Later when the doctors 44 the cells taken from my pancreas （胰腺） under a microscope, they found it turned out to be a very rare form of cancer that is 45 with surgery．I had the surgery and, 46 , I'm fine now． This was the closest I've been to facing 47 , and I hope it's the closest I get for a few more decades．Death is the destination we all 48 ．No one has ever escaped it．And that is 49 it should be, because death is very likely the single 50 invention of life．It clears out the old to make 51 for the new．Your time is limited, so don't waste it living 52 life．Don't let the noise of others' opinions drown out （ 盖过） your own inner 53 ．And most importantly, have the courage to 54 your heart and intuition （直觉）．They 55 already know what you truly want to become．Everything else is secondary．
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