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【单选题】
关于输血的叙述，错误的是()A.
临床上首选同型血液输血
B.
即使 ABO同型输血，输血前也要做交叉配血试验
C.
异型输血要保证供血者的红细胞不被受血者的血清所凝集
D.
O 型血的人可以输给其它三种血型的人
E.
Rh阴性者一旦接受 Rh阳性血液就会出现血型不合的表现
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【简答题】用比重瓶测定时的环境(指比重瓶和天平的放置环境)温度应略( )或各品种项下规定的温度。
【单选题】It is everyone agrees, a huge task that the child performs when he learns to speak, and the fact that he does so in so short a period of time challenges explanation. Language learning begins with list...
A.
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B.
no explanation has been made up to now
C.
it’s no easy job to provide an adequate explanation
D.
it’s high time that an explanation was provided
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【简答题】Last week my youngest son and I visited my father at his new home in Tucson, Arizona. He moved there a few years ago, and I was eager to see his now place and meet his friends. My earliest memories of...
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【简答题】Last week my youngest son and I visited my father at his new home in Tucson, Arizona. He moved there a few years ago, and I was eager to see his now place and meet his friends. My earliest memories of...
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