下列哪种成分最适合需要多次输血而有发热的贫血病人（）
A.浓缩红细胞
B.全血
C.冷冻红细胞
D.少浆血
E.洗涤红细胞
参考答案：E
— Did you have a good night's sleep last night, sir?
— Oh, exactly. It was such a comfortable bed. I could never have ______ sleep.[ ]
A. a worse
B. the best
C. a better
D. the worst
良生殖结局是指（）
A.异常妊娠结局和不孕
B.子代发育异常
C.低体重儿
D.流产、早产、死产
E.以上都不是
