肺炎链球菌性肺炎首选抗生素A．卡那霉素 B．红霉素 C．青霉素 D．庆大霉素 E．林

女性，32岁，因关节痛服用非甾体类抗炎药物，2周后出现低热，躯干及四肢近端有充血性斑丘疹，逐步增多融合成片。查外周血象，嗜酸性粒细胞增多。尿液检查尿蛋白（++），定量每日为1.8g，小管性蛋白尿，光镜检查红细胞5～10个/HP，白细胞10～15个/HP，血清IgE增高，血Cr180μmol/L。停药1周后，皮疹有所消退，肾脏表现未见好转，尿量每日500ml，Cr240μmol/L。血中查到抗肾小管基膜抗体。

本例最可能的诊断是（）

A.急性非少尿型肾功能衰竭

B.急性间质性肾炎

C.紫癜性肾炎

D.狼疮性肾炎

E.隐匿性肾炎伴药物过敏

许多环境问题是跨国界的，甚至是全球性的。根据《蒙特利尔议定书》的有关要求，我国政府采取了一系列措施来保护地球环境，如2002年起我国汽车业就全面禁用氟里昂（Freon）空调、2005年开始停止生产“哈龙（Halons）1211灭火器”等。这主要是由于氟里昂、哈龙等物质都是 [ ]

A、有机化合物   

B、极易挥发的物质  

C、破坏臭氧层的物质

D、是有毒的物质

类癌综合征病人手术中不能用()

A．吗啡

B．氟烷

C．硫喷妥钠

D．右旋糖酐

E．以上均是

A person’s intake of refined sugar and of foods that break down into sugars during digestion is the dietary source of virtually all of the glucose (a type of sugar) that reaches that person’s bloodstream. Coffee, however, which itself does not break down into sugars during digestion, sometimes causes a person’s blood-glucose level to rise dramatically, even if the coffee is consumed without cream or any sweeteners.
Which of the following, if true, best helps to explain coffee’s effect on blood-glucose levels as it is described above ？（）

A．People often drink coffee after a meal consisting of several types of foods that themselves rapidly break down into sugars during digestion.

B．Drinking more than two cups of coffee in an hour increases a person’s level of stress, and the body reacts to stress by releasing stored glucose into the blood.

C．People who eat very few foods that contain refined sugar often have higher blood-glucose levels than people who eat many such foods.

D．For many people, the consumption of one piece of chocolate cake has the same stimulating effect as one cup of plain coffee.

E．People with sedentary office jobs are more likely to drink large amounts of coffee and to have higher blood-glucose levels than are people with jobs requiring constant physical activity.

单轨吊最大爬坡坡度为（）度。