简述集中供冷技术。

患者女，5岁，因“反复发作多关节肿痛2个月”来诊。发病前2周患者有肺炎病史。查体：体温38℃，心率100次/分，精神差，轻度贫血貌。颈部可触及数枚肿大淋巴结，最大为1.0cm×1.5cm，心、肺、腹查体未见明显异常。关节检查：双手第1指间关节、掌指关节肿胀、触痛、活动受限，双腕关节、双踝关节肿胀、触痛，无活动受限。实验室检查：白细胞15×10⁹/L，血红蛋白92g/L，红细胞沉降率67mm/1h，C-反应蛋白53mg/L，类风湿因子（-）。

该病的治疗方案包括（）

A.物理康复治疗

B.非甾体消炎药

C.改善病情的抗风湿药物

D.口服小剂量糖皮质激素

E.免疫抑制剂

F.大剂量糖皮质激素冲击治疗

G.静脉用免疫球蛋白

H.生物制剂

I.手术矫形

急付款业务由（）部门共同办理完成。(三级)

A、交易受理网点 

B、开户局 

C、受理方中心 

D、开户中心

腾龙公司与瑞丰公司签订液化气买卖合同。约定液化气单价每吨150元，共60万吨。履行期限从2004年1月1日到2006年6月30日，每月交付2万吨。双方因疏忽未约定付款时间、方式和履行费用的负担。合同签订后，瑞丰连续向腾龙供货四个月及运费两万元，总计8万吨。但腾龙未付款，瑞丰要求腾龙支付前四个月的货款，同时要求以后每送一次支付一次货款。腾龙拒绝。请问此时瑞丰是否有权停止送货，运费由何方负担( )

A．瑞丰有权停止送货，腾龙承担运费
B．瑞丰无权停止送货，腾龙承担运费
C．瑞丰有权停止送货，瑞丰承担运费
D．瑞丰无权停止送货，瑞丰承担运费

下列哪些是胎儿窘迫的临床表现（）

A.胎心率大于160次／分或小于120次／分

B.胎动每12h少于4次

C.头位，羊水胎粪污染

D.催产素激惹试验（OCT）多次检查均为阴性

E.胎心律不规则

Despite (1) that alcoholic beverages may (2) , a leading medical expert is advising: don’t (3) just yet.
Anybody who’s ever worked in a hospital sees the hospital is full of patients that have (4) disease, but the hospital is not full of patients that have disease related to cholesterol and (5) .
In an (6) in the current New England Journal of Medicine, Dr. Goldberg of Columbia University said it is time to see (7) prevents heart disease. Such a study would give (8) to one group of heart disease patients and not to another, and see (9) .
In the latest study, which followed (10) over a 12-year period, researchers found that those who drank (11) drinks per week (12) of heart attack by (13) compared to (14) .
The lead author, (15) Kenneth Mukamal of Beth Israel Deaconess Medical Center in Boston, insists his study is (16) . For one thing, other studies have not looked at (17) .
Dr. Mukamal says (18) also appear to settle which alcoholic beverage are (19) . "Beer and spirits, beer and liquor, were most ply (20) ."