更多"[不定项选择题]内部有线对讲及紧急报警系统检测相关问题问答。(4)本系"的相关试题:
[不定项选择题]内部有线对讲及紧急报警系统检测相关问题问答。(1)内部有线对讲及紧急报警系统检测的基本要求为( )。
A.内部有线对讲及紧急报警系统的设备数量、型号符合要求,部件完整
B.设备安装到位并已连通,处于正常工作状态
C.分项工程自检和设备调试记录等资料齐全
D.设备及附(备)件清单、有效的设备检验合格报告或证书等资料齐全。
[不定项选择题]内部有线对讲及紧急报警系统检测相关问题问答。(5)外观质量条件为( )。
A.主、分机安装位置正确、方便使用。设备安装后,外观无划伤、刻痕,以及防护层剥落等缺陷
B.主分机之间布线整齐美观、固定可靠、标识清楚
C.过墙、板、地下通道处有保护套管,并留有适当余量
D.设备之间连线接插头等部件连接可靠、紧密、到位准确;布线整齐、余留规整、标识清楚
[不定项选择题]内部有线对讲及紧急报警系统检测相关问题问答。(2)涉及呼叫功能的有关实测项目和要求有( )。
A.△主机全呼分机
B.△主机单呼某个分机
C.△分机呼叫主机
D.分机呼叫分机
[不定项选择题]内部有线对讲及紧急报警系统检测相关问题问答。(3)涉及通话声音质量的实测项目和要求有( )。
A.△分机之间的串音
B.扬声器音量调节(可调)
C.话音质量
D.音质变化
[多选题]收费系统内部有线对讲及紧急报警系统安装质量及检验评定时,实测项目包括( )。
A.主机全呼分机及单呼某分机
B.分机呼叫主机
C.分机之间的串音
D.手动/脚踏报警功能
[单选题]依据JTG F80/2-2004,以下有关内部有线对讲及紧急报警系统实测项目中分机之间串音的描述中,正确的选项是( )。
A.分机之间建立呼叫时,话音应清晰、音量适中、无噪音、无断字等缺陷
B.分机应能准确呼叫另一部分机,避免呼叫信号串至其它分机
C.分机之间不能互相通信
D.主机全呼分机时,分机之间不能产生串音干扰
[不定项选择题]回答隧道报警与诱导设施的提问。(1)隧道报警与诱导设施的组成主要有隧道紧急电话、可变限速标志、可变信息标志和()。
A.火灾手动报警器
B.车道指示器
C.主动发光隧道诱导标
D.紧急疏散照明灯
[不定项选择题]对该患者紧急处理措施中首要的是
A.积极补充血容量
B.立即采取止血措施
C.手术治疗
D.升压药提高血压
E.内镜检查明确病因
[不定项选择题]共用题干
Animal's “Sixth Sense”
A tsunami(海啸)was triggered(引发)by an earthquake in the Indian Ocean in December, 2004.It killed tens of thousands of people in Asia and East Africa. Wild animals,1, seem to have escaped that terrible tsunami. This phenomenon adds weight to notions that they possess a“sixth sense” for2 ,experts said.
Sri Lankan wildlife officials have said the giant waves that killed over 24,000 people along the Indian Ocean island's coast clearly 3 wild beasts,with no dead animals found.
“No elephants are dead,not4a dead rabbit. I think animals can5 disaster.
They have a sixth sense. They know when things are happening,”
H.
D. Ratnayake,deputy director of Sri Lanka's Wildlife Department,said about one month after the tsunami attack. The6washed floodwaters up to 2 miles inland at Yala National Park in the ravaged(被 毁坏的)southeast, Sri Lanka's biggest wildlife7and home to hundreds of wild elephants and several leopards(豹).
“There has been a lot of8 evidence about dogs barking or birds migrating before volcanic eruptions(火山爆发)or earthquakes. But it has not been proven ,” said Matthew van Lierop,an animal behavior 9 at Johannesburg Zoo.
“There have been no10studies because you can't really test it in a lab or field setting , ” he told Reuters. Other authorities concurred(同意)with this11.
“Wildlife seem to be able to pick up certain12 ,especially birds…there are many re- ports of birds detecting impending(迫近的)disasters , ” said Clive Walker , who has written several books on African wildlife.
Animals13 rely on the known senses such as smell or hearing to avoid danger such as predators(食肉动物).
The notion of an animal “sixth sense”一or14other mythical power一is an enduring one which the evidence on Sri Lanka's ravaged coast is likely to add15.
7._________
A.birthplaces
B.playground
C.reserve
D.storage