某城镇管网设有网前水塔，水塔所处位置的地面标高为95m，控制点要求的最小服务水头为2

小儿极重度贫血时，其血红蛋白和红细胞数值是 血红蛋白 红细胞数（）

A.90～60g／L（3～2）×10¹²／L

B.60～30g／L（2～1）×10¹²／L

C.50～70g／L（5～4）×10¹²／L

D.40～30g／L（3.5～2.5）×10¹²／L

E.＜30g／L＜1×10¹²／L

(b) Kaya had promised his wife, Maya, that he would buy her a diamond bracelet for her birthday, which was on 1 April 2010. However, Kaya did not keep his promise. When Maya reminded Kaya about his promise, he replied that he had changed his mind about buying her the bracelet.Maya is disappointed with Kaya and wishes to sue him for breach of contract.Required:Advise Maya on her chances of success. (5 marks)

闭式胸膜腔引流术的指征为（）

A.胸内手术者

B.气胸、血胸经穿刺抽吸无效者

C.急性脓胸需持续排脓者

D.脓胸并发支气管胸膜瘘者

E.切开胸膜腔者

项目决策论证工作的补偿费用项目分哪几个方面？