凝血异常的患者为了防止和治疗凝血功能障碍，应输：（）.
A、浓缩红细胞
B、洗涤红细胞
C、浓缩白细胞
D、白蛋白
E、新鲜冰冻血浆
参考答案：E
—Would you like to climb the mountain with me?
—______. [ ]
A. Thanks very much.
B. You are welcome.
C. Yes, I'd love to.
D. No, I don't think so.
煤气检测的作用是什么？
