露天采矿场的总水量为（）和（）之和。

人民法院审理( )案件，必须进行调解。

A．追索劳动报酬

B．继承遗产

C．离婚

D．借款合同

下列叙述中正确的是（ ）。

A．计算机病毒只感染可执行文件

B．计算机病毒只感染文本文件

C．计算机病毒只能通过软件复制的方式进行传播

D．计算机病毒可以通过网络或读写磁盘方式进行传播

Current legislation that requires designated sections for smokers and nonsmokers on the premises of privately owned businesses is an intrusion into the private sector that cannot be justified. The fact that studies indicate that nonsmokers might be harmed by inhaling the smoke from others’ cigarettes is not the main issue. Rather, the main issue concerns the government’s violation of the right of private businesses to determine their own policies and rules.
Which one of the following is a principle that, if accepted, could enable the conclusion to be properly drawn

A．Government intrusion into the policies and rules of private businesses is justified only when individuals might be harmed.

B．The right of individuals to breathe safe air supersedes the right of businesses to be free from government intrusion.

C．The right of businesses to self-determination overrides whatever right or duty the government may have to protect the individual.

D．It is the duty of private businesses to protect employees from harm in the workplace.

E．(E) Where the rights of businesses and the duty of government conflict, the main issue is finding a successful compromise.

帧中继实现带宽资源的动态分配和管理，如果约定一条PVC的CIR=128Kbit/s，Bc=128Kbit，Be=64Kbit，则当用户数据速率超过（）时，一定发生帧丢弃

A.128kbit/s

B.192Kbit/s

C.64Kbit/s

D.256Kbit/s

扩展频谱技术使通信容量增大，但抗干扰性弱。