降压作用平稳、持久的钙离子通道阻断药是（） A.硝苯地平 B.尼卡地平 C.尼索地平

请你根据广告的优缺点填写一个适当的词，使短文完整。

     In the modern world, advertising is  _ 1    ! Some people like ads but others hate ads.

     I think it often offers some advantages and disadvantages.

     Some ads are very useful. They can tell people how to compare two different products so     2_   

people can buy the better one. They can also help you     3     money.

     However there are also some disadvantages. Some ads can be confusing or misleading. Sometimes

the words sound good but don't tell anything real.  So you have to be     4     not to be cheated (欺骗).

We shouldn't believe     5     .

唐朝采取“抚九族以仁”的政策。这说明[ ]

A．统治者放弃了对边疆地区用兵的做法

B．统治者实行相对开明的民族政策

C．唐朝同各少数民族的关系始终非常和睦

D．统治者册封各族首领以巩固边防

关于流产下列哪项正确：

A．妊娠8周前流产，多为不全流产

B．妊娠8～12周流产，多为完全流产

C．难免流产时，妊娠试验均为阴性

D．先兆流产必发展为难免流产

E．不全流产易发生失血性休克

54岁，男性，胃大部切除术后出现顽固性呃逆，首先考虑

A．手术造成膈神经损伤

B．术后肠粘连

C．腹膜后血肿刺激腹腔神经

D．粘连引起胃扭转

E．膈下感染

外耳道耵聍腺肿瘤，根据病理组织学可分为（）

A.耵聍腺瘤

B.多形性腺瘤

C.腺样囊性癌

D.耵聍腺癌

E.以上均包括