比例估算法是利用( )来编制投资估算的。A．已建项目的设备价值及工程建设费用占建安

在流行性腮腺炎的控制措施中，对一般接触者可不检疫，但对集体儿童、学校、部队的接触者应检疫几周（）

A.1周

B.2周

C.4周

D.3周

E.5周

在37℃时血液的渗透压为775kPa，与血液具有相同渗透压的葡萄糖静脉注射液的浓度应为( )g／L。(M葡萄糖＝180，R＝8.314)（）

A.85.0

B.5.41

C.54.1

D.8.50

Man: I hope you can understand my reasons for deciding to leave, Mrs. Harrison. Woman: Do I have to remind you that we have invested a lot of time and money in your career here Question: How did Mrs. Harrison respond

A．She was annoyed.

B．She was apologetic.

C．She was sympathetic.

D．She was careless.

在债券回购交易中，以券融资方在初始交易前，必须将足够的资金存入其委托的证券经营机构的证券清算账户。( )

用标准访问控制列表禁止非法地址197.178.0.0/16的数据包进出路由器的正确配置是______。

A．access-list 110 deny 197.178.0.0 0.0.255.255
access-list 110 permit any
B．access-list 10 deny 197.178.0.0 255.255.0.0
access-list 10 permit any
C．access-list 50 permit any
access-list 50 deny 197.178.0.0 0.0.255.255
D．access-list 99 deny 197.178.0.0 0.0.255.255
access-list 99 permit any