下面关于 IPSec 的说法哪个是错误的？A．它是一套用于网络层安全的协议 B．它可

对射线探伤后底片上的气孔缺陷评定等级时，只需计算气孔的点数，与气孔的大小没有关系。( )

女，18岁。上唇红肿疼痛5天，加重伴寒战高热头痛2天。检查：表情淡漠，体温5℃，脉搏120次／分，上唇隆起呈紫红色，中心组织坏死塌陷，有多个脓栓，鼻部眼部及其周围广泛肿胀，发硬触痛。化验WBC 25×10的9次方／L，N 90％。

本例治疗措施错误的是

A．补液、少量多次输血

B．限制张口、少言语

C．早期联合静滴抗生素

D．过氧化氢液局部湿敷

E．切开引流

Most "unassertive" people are not confident and take no for an answer much too easily. There is a growing awareness in our society that this tendency (1) the rights of large numbers of people. For example, in recent years there has been an upsurge in (2) and pressure groups. This is a (3) as there will always be a need for such organizations to (4) individuals and minorities in a competitive society. The danger is that we (5) for our rights and lose the art of asserting ourselves. It is better for (6) with other people if you can learn (7) for yourself.
Now, we have to learn to ignore some of the (8) that may be ringing in our unconscious minds, such as: "If you ask once more, I’ll flatten you", and " (9) ".
The main technique that we use in (10) to practice the art of persistence is called Broken Record. (11) we hear one sentence over and over again until we reach screaming pitch and (12) .
Broken Record is the skill of being able to repeat over and over again, (13) , what it is you want or need, until the other person gives in or (14) .
Now, this technique is extremely useful for dealing with situations where your rights are clearly (15) , or coping with situations where you are likely to be diverted by clever, (16) .
The beauty of using Broken Record is that you (17) because you know exactly what you are going to say, however (18) the other person tries to be.
As with most assertive techniques, it must be used appropriately. It is (19) and is not designed to foster deep, interesting conversations and friendships with people! It is primarily of use in situations where (20) .

在新课程标准中要求加强物理学与生产、生活的联系，结合实例说明如何做到加强物理学与生产、生活的联系。

以下风险最适合保险的是（）

A.高频率高幅度

B.高频率低幅度

C.低频率高幅度

D.低频率低幅度