男性，65岁。高血压病史10年，有家族史，多次测血压190～200/110mmHg，

6个月

A.第2次放射性¹³¹Ⅰ治疗甲状腺功能亢进应在第一次治疗后

B.放射性¹³¹Ⅰ治疗甲状腺功能亢进，症状明显缓解或治愈在治疗的

C.妊娠甲状腺功能亢进手术的适宜时间

D.抗甲状腺药物治疗甲状腺功能亢进最易发生粒细胞减少的时间是初始治疗

E.甲状腺功能亢进术前加服复方碘溶液在术前

（10分）固体A的化学式为NH₅，它的所有原子的最外层都符合相应的稀有气体原子电子层结构，该物质适当加热就分解成两种气体，试完成：

（1）固体A属于__________晶体，它的电子式为__________。

（2）A溶于水后溶液呈__________性（填“酸”“碱”或“中”），其原因是（用化学方程式表示）______________________________。

（3）A与铜或铜的某些化合物在一定条件下可合成CuH，CuH是一种难溶物，它能在氯气中着火，还能与盐酸反应放出气体，请写出这两种反应的化学方程式___________________                          。

工程网络计划资源优化的目的之一是为了寻求( )。

A．资源均衡使用条件下的最短工期安排

B．工程总成本最低条件下的资源均衡安排

C．资源使用量最少条件下的合理工期安排

D．工期固定条件下的资源均衡安排

具有强心作用的化合物是（）

A.秋水仙碱

B.毒毛花苷K

C.苦参碱

D.喜树碱

E.甘草酸

Insurance is the sharing of (1) . Nearly everyone is exposed (2) risk of some sort. The house owner, for example, knows that his (3) can be damaged by fire; the ship owner knows that his vessel may be lost at sea; the breadwinner knows that he may die by (4) and (5) his family in poverty. On the other hand, not every house is damaged by fire or every vessel lost at sea. If these persons each put a (6) stun of money into a pool, there will be enough to (7) the needs of the few who do suffer (8) . In other words the losses of the few are met from the contributions of the (9) . This is the basis of (10) . Those who pay the contributions are known as (11) and those who administer the pool of the contributions as insurer.
The (12) for an insurance naturally depends on how the risk is to happen as suggested (13) past experience. If the companies fix their premiums too (14) , there will be more competition in their branch of insurance and they may lose (15) . On the other hand, if they make the premiums too low, they will not have (16) and may even have to drop out (17) business. So the ordinary forces of supply and (18) keep premiums at a proper (19) to both insurers and those who (20) insurance.