在20世纪80年代期间，海洛因服用者就诊医院急诊室的次数的增加比率超过了 25%。因此很明显，在那个10年中海洛因的服用量在增加。如果假设下面哪一项，作者的结论就可被合理地推出？

A.那些因服用海洛因而寻求医学治疗的人通常在上瘾的后期阶段接受治疗。

B.当海洛因服用者到医院急诊室就诊时，他们承认自己是因服海洛因而到急诊室来的。

C.海洛因服用者就诊医院急诊室的次数与海洛因被吸食的发生率成比例。

D.自1980年以来，服用海洛因的方法已经改变，新的方法降低了服用海洛因的危险性。

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更多“在20世纪80年代期间，海洛因服用者就诊医院急诊室的次数的增…”相关的问题

第1题

The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change？（）

A. The default administrative distance is used.

B. The command is used to establish a static route.

C. The command is used to configure the router interfaces.

D. The command is used to establish a stub network.

E. The subnet mask for the source address is 255.255.255.0

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第2题

In JUNOS software, which command is used to configure TED support for OSPF？（）

A. set protocols rsvp cspf-enable

B. set protocols mpls cspf-enable

C. set protocols rsvp traffic-engineering

D. set protocols ospf traffic-engineering

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第3题

Which command is used to configure a default route？（）

A．ip route 172.16.1.0 255.255.255.0 0.0.0.0

B． ip route 172.16.1.0 255.255.255.0 172.16.2.1

C． ip route 0.0.0.0 255.255.255.0 172.16.2.1

D． ip route 0.0.0.0 0.0.0.0 172.16.2.1

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第4题

The following configuration command was issued on router TK1:ip route 172.16.3.0 255.255.255.0 192.168.2.1.Which of the following statements are true regarding this command？（）

A. The command is used to establish a static route.

B. The default administrative distance is used.

C. The command is used to configure the default route.

D. The subnet mask for the source address is 255.255.255.0

E. The command is used to establish a stub network

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第5题

What are two commands that can be used to configure MBGP for multicast？（）

A. Under the BGP group, configure family inet any.

B. Use the set protocol MBGP command to enable MBGP.

C. Under the BGP group, configure family inet multicast.

D. Use the set rib-group command to copy the multicast routes into inet.1.