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【单选题】
Which of the following characters in The Canterbury Tales is the one who weeps when she sees a mouse caught in a trap but turns her head when she sees a beggar in his ugly rugs?A.
The Prioress
B.
The Wife of Bath
C.
The Doctor of Physic
D.
The Clerk
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【单选题】下列关于P50的描述,哪一项是错误的?
A.
P50是指血红蛋白氧饱和度为50%时的氧分压
B.
P50是反映Hb与02的亲和力的指标
C.
P50的正常值为3.47~3.6OKPa〈26~27mmHg)
D.
P50降低表明氧离曲线右移
E.
红细胞内2,3-DPG浓度每增高1μmol/gHb,P50升高0.lkPa
【多选题】关于 P50 的正确描述是
A.
PaC02 增加， P50 增加 B．P50 是血氧饱和度为 50 ％时的氧分压
B.
P50 随血红蛋白与氧的亲和力增加而升高 D．血液PH 降低，P50 降低
C.
P50能反映血红蛋白与氧结合的程度
【简答题】P50(名词解释)
【简答题】P50降低，则
【单选题】II.(P50,Dialogue 3) Listen to the dialogue between the husband and wife,Listen once to get the main idea.Listen again and choose th ebest answer to each of the following questions. 1.What does the man...
A.
To play basketball with friends from work.
B.
To try out for th ecompany baseball team.
C.
To get in shape and compete in a cycling race.
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