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【单选题】
若投资方案以内部收益率作为评判依据，则保证方案可行所要求的内部收益率()A.
大于0
B.
大于1
C.
小于1
D.
大于基准内部收益率
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【单选题】Main considerations during blood transfusion
A.
The donor's red blood cells are not agglutinated by the recipient's cells
B.
Donor's red blood cells are not agglutinated by the recipient's serum
C.
Blood donor plasma does not cause blood clot in the recipient
D.
The blood donor's plasma does not agglutinate the red blood cells of the recipient.
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【单选题】A blood transfusion reaction will
A.
occur when plasma antibodies contact red blood cells carrying the antigen with which they react
B.
only occur if both red blood cells and plasma are transfused
C.
always occur if someone is given type O blood
D.
not cause any damage to the red blood cells
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【单选题】Which of the following is NOT the way to transmit HIV?
A.
Sexual contact.
B.
Blood transfusion.
C.
By toilet seats.
D.
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【简答题】听下面一段材料，回答第1-4题。 1. What is a blood transfusion? A. Losing a lot of blood in a serious accident or a difficult operation. B. Finding out the amount of blood a patient needs for an operation. C. Taking...
【简答题】按信道上信号的传输方向与时间的关系,通信方式可分为()通信、半双工通信和()通信。
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