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【单选题】
输血时做间接接交叉配血试验是指A.
供血者血清与受血者血清的反应
B.
受血者血清与供血者红细胞的反应
C.
受血者白细胞与供血者血清的反应
D.
供血者红细胞与受血者红细胞的反应
E.
供血者血清和受血者红细胞的反应
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举一反三
【简答题】What is the usual purpose of transformers? (第一空回答问题,第二空翻译句子。)
【单选题】若 (A)=6FH,(CY)=1,执行“SUBB A,#68H”后,(CY)=( )H、(AC)=( )H、 (P)=( )H、 (OV)=( ) H 、(A)=( )H。
A.
0 0 0 0 6
B.
1 0 0 0 6
C.
0 0 1 0 6
D.
0 0 0 0 7
【简答题】The usual purpose of employment recommendation letter is to __________.
【单选题】What is the usual purpose of pairing frequencies together in duplex communications?
A.
These are normally used for FEC communications with coast radio stations.
B.
These are normally used for ARQ communications with coast radio stations.
C.
These are normally used only for distress communications to limit channel interference.
D.
There are normally used for DSC communications with ship stations.
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