下列降压药物中，属于血管扩张剂的是（） A.硝普钠 B.利舍平 C.氯沙坦 D.可乐

4岁男孩，上楼梯时被父亲牵拉右上肢后哭闹，右手不肯持物，肘关节活动受限。

应采用的治疗措施为（）

A.右上肢石膏固定

B.右上臂小夹板固定

C."8"字绷带固定

D.手法复位

E.三角巾悬吊

十八岁男性，2天来发热伴腹痛、腹泻，日10余次，初为稀便，后为粘液脓血便，伴里急后重，粪便常规检查WBC15～20个／HP．RBC5～10个／HP

该患者诊断急性细菌性痢疾，其发病机制为（）

A.痢疾杆菌毒素对结肠粘膜的直接损害

B.有侵袭力的菌株进入粘膜固有层、繁殖引起炎症溃疡

C.痢疾杆菌在肠腔内大量繁殖引起肠溃疡病变

D.结肠急性弥漫性、纤维蛋白渗出性炎症及溃疡

E.特异性体质对细菌毒素产生强烈过敏反应

F.由细菌毒素引起的抗原一抗体反应

美容院必须合理布置灯具，使（）上的照度均匀。

A.产品

B.地面

C.桌面

D.被照面

读某地地表形态和地质构造示意图。下列叙述正确的是（）

A、冲积扇地貌由风力搬运作用形成

B、冲积扇地貌由流水侵蚀作用形成

C、甲处的地质构造是背斜

D、断层线右侧的岩层相对下降

Millions of Americans and foreigners see GI.Joe as a mindless war toy, the symbol of American military adventurism, but that’ s not how it used to be. To the men and women who (1) in World War I1 and the people they liberated, the GI. was the (2) man grown into hero, the pool farm kid torn away from his home, the guy who (3) all the burdens of battle, who slept in cold foxholes, who went without the (4) of 1hod and shelter, who stuck it out and drove back the Nazi reign of murder. This was not a vohmteer soldier, not someone well paid, (5) an average guy, up (6) the best trained, best equipped, fiercest, most brutal enemies seen in centuries.

His name is not much. GI. is just a military abbreviation (7) Govermnent Issue, and it was on all of the article (8) to soldiers. And Joe A common name for a guy who never (9) it to the top. Joe Blow, Joe Magrae... a working class name.The United States has (10) had a president or vieepresident or secretary of state Joe.

GI. Joe had a (11) career fighting Geman, Japanese, and Korean troops. He appears as a character, or a (12) of American personalities, in the 1945 movie The Story of GL Joe, based on the last days of war correspondent Ernie Pyle. Some of the soldiers Pyle (13) portrayde themselves in the fihn. Pyle was famous for covering the (14) side of the warl, writing about the dirt-snow-and-mud soldiers, not how many miles were (15) or what towns were captured or liberated. His reports (16) the "willie" cartoons of famed Stars and Stripes artist Bill Maulden. Both men (17) the dirt and exhaustion of war, the (18) of civilization that the soldiers shared with each other and the civilians: coffee, tobacco, whiskey, shelter, sleep. (19) Egypt, France, and a dozen more countries, G. I. Joe was any American soldier, (20) the most important person in their lives.

10（）

A.ever

B.never

C.either

D.neither