我国现行宪法规定，全国人大常委会的组成人员中，应当有适当名额的( )。A．华侨代表

Most computer systems are (26) to two different groups of attacks: Insider attacks and outsider attacks. A system that is known to be (27) to an outsider attack by preventing (28) from outside can still be vulnerable to the insider attacks accomplished by abusive usage of (29) users. Detecting such abusive usage as well as attacks by outsides not only provides information on damage assessment, but also helps to prevent future attacks. These attacks are usually (30) by tools referred to as Intrusion Detection Systems.

A．power

B．rights

C．authorized

D．common

债券和其他类型固定收益证券组合的业绩通常是通过将其在某一时间区内的总回报率（包括利息支付+资本损益）与某个代表其可比证券类型的（）进行比较来进行评估。

A.即期收益率

B.指数回报率

C.必要收益率

D.期望收益率

如图甲所示，两列横波沿同一水平面上传播，两列横波的波源沿竖直方向振动。横波1的波源B点的振动图象如图乙所示；横波2的波源C点的振动图象如图丙所示。两列波的波速都为20 cm/s。两列波在P点相遇，P与B、C两点的距离均为40 cm，则P点振幅为

D

A．70cm

B．-10cm

C．0

D．10cm

在某市电信局工作的易某，看到网上有高价收购公民个人信息的广告，就想利用自己每天办理电信业务时获得的公民个人信息搞点零花钱用，其将包含姓名、身份证号码的公民个人信息通过网络出售。根据《居民身份证法》的规定，下列说法错误的是（）。

A.构成犯罪的，依法追究刑事责任

B.尚不构成犯罪的，由公安机关处拘留并处罚款，有违法所得的，没收违法所得

C.对他人造成损害的，依法承担民事责任

D.予以批评教育处理

液压系统中的优先活门的开关是依靠（）的。