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【多选题】
关于流式细胞技术检测PNH克隆的描述正确的是A.
正常人成熟红细胞无CD55与CD59阴性细胞群
B.
PNH病人存在淋巴、或粒细胞的Flaer阴性细胞群
C.
CD55与CD59可检测成熟红细胞
D.
Flaer检测对PNH微小克隆有很高的灵敏度
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【单选题】What does the woman mean?
A.
She has bought a dress.
B.
She has made a dress.
C.
She has been given a dress.
【简答题】A.She hired a detective to help her. B.She finished writing only half of her story. C.She wants to put her book away. D.She s reading something interesting.
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A.
this
B.
that
C.
one
D.
it
【简答题】We should help her when she is____________
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A.
could help but to cry
B.
couldn’t help but crying
C.
couldn’t help crying
D.
couldn’t help to cry
【单选题】－I’m afraid that she won’t come to help me as she promised. －Don’t worry. Nothing will ______her mind if she has ______up her mind.
A.
change; made
B.
turn; done
C.
grow; given
D.
make; changed
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