下列火灾自动报警系统误报的原因中，属于环境因素引起误报的原因有（）。A．探测器产品技

案例摘要：中枢神经系统药物的药理作用、不良反应。

抗抑郁药阿米替林药物中毒时采用什么药物进行解救（）

A.阿托品

B.氟马西尼

C.毒扁豆碱

D.纳洛酮

E.解磷定

婚纱人像摄影的人物表情的要求是（）。

A、优美漂亮

B、真情流露

C、形神兼备

D、活泼可爱

When a disease of epidemic proportions threatens the public, scientists immediately get to work, trying to locate the source of affliction and find ways to combat. Vaccination is one of the effective ways to protect the (1) population of a region or country which may be (2) grave risk. The process of vaccination allows the patient’s body to (3) immunity to the virus or disease so that, if it is encountered, one can fight it (4) naturally. To accomplish this, a small weak or dead (5) of the disease is actually injected into the patient in a controlled environment, (6) his body’s immune system can learn to fight the invader (7) . Information (8) how to penetrate the disease’s defenses is (9) to all elements of the patient’s immune system in a process that occurs naturally, in which genetic information is passed from cell to cell. This makes sure that (10) the patient later come into contact with the real problem, his body is well equipped and trained to (11) with it, having already done so before.

There are, however, dangers (12) in the process. (13) , even the weakened version of the disease contained in the vaccine proves (14) much for the body to handle, resulting in the immune system (15) , and, therefore, the patient’s death. Such is the case of the smallpox vaccine, (16) to eradicate the smallpox epidemic that nearly (17) the whole Native American population and killed massive numbers of settlers. (18) 1 in 10,000 people who receive the vaccine (19) the smallpox disease from the vaccine itself and dies from it. Consequently, the process, which is truly a (20) , may indeed hide some hidden curses.

17（）

A.wiped out

B.ruled out

C.break down

D.died out

简述索赔费用的一般构成和计算方法。