健康成人，若失血量达1000mL，应输注（）。
A.洗涤红细胞
B.浓缩白细胞
C.血小板制剂
D.浓缩红细胞
E.冰冻红细胞
参考答案：D
____hard ,and you will make greater progress.
A．If you study
B．Study
C．Studying
D．To study
The international community should seek other effective methods in establishing economic global governance instead of relying on the WTO.
