首页
登录
职称英语
A bird flu, a massive earthquake, a monster storm and a terrorist attack are all
A bird flu, a massive earthquake, a monster storm and a terrorist attack are all
游客
2023-08-31
57
管理
问题
A bird flu, a massive earthquake, a monster storm and a terrorist attack are all threats to major cities in the U.S. [br] Incompatible communications is a country-wide problem in the U.S. because of the ______ which should be converted or replaced.
选项
答案
decades-old radio systems。
解析
根据题干中的信息词incompatible communications和converted定位到第三个小标题下的第一段,可知通信不畅是全国(美国)性的问题,而修整或更换已使用数十年的无线电系统既费时又费钱,由此推断,通信不畅的原因是无线电系统年久失修,因此可得答案。
转载请注明原文地址:https://tihaiku.com/zcyy/2973232.html
相关试题推荐
TheSeptember11thattacks____________________(对立法引起了连锁反应)inthesecondsession
Pakistan’searthquakekilledmorethan70,000peopleandleftanother3.5mi
Pakistan’searthquakekilledmorethan70,000peopleandleftanother3.5mi
Pakistan’searthquakekilledmorethan70,000peopleandleftanother3.5mi
【S1】[br]【S6】L空中应填一形容词作裹语,修饰thepeopleplanningtheattacks,根据and后的句子推断,恐怖袭击的策划
Hesufferedfromaheartattackatage40and_______________________(他将病因归于生活的压
[originaltext]Earthquakesaresomethingthatmostpeoplefear.Thereareso
[originaltext]Earthquakesaresomethingthatmostpeoplefear.Thereareso
[originaltext]Earthquakesaresomethingthatmostpeoplefear.Thereareso
[originaltext]Earthquakesaresomethingthatmostpeoplefear.Thereareso
随机试题
KeytoGoodLanguageLearningTolearnalanguagemoree
Duringthe1970’sand1980’spoliticalextremismandterrorismfrequentlyfoc
玻璃窗的层数与面积对以下各项中无影响的是()。A.热负荷、冷负荷 B.传热
下列项目中,甲类公共建筑围护结构在权衡判断之前不需核查的是( )。A.屋顶的传
充分利用木材的边角废料,生产各种人造板材,是对木材进行综合利用的重要途径。人造板
胆囊结石并发急性胆石性胰腺炎的病理解剖条件中哪一项是错误的A.胆囊多发小结石
学科标准是指课程计划中每门学科以纲要的形式编写的、有关学科教学内容的指导性文件,
在回购价格确定方面给予了公司更大的灵活性的回购方式为()。A.举债回购
当实际工程量与报价工程量没有实质性差异时,由承包方承担工程量变动风险的合同是()
设计施工总承包合同模式下,某工程合同约定需要进行竣工后试验,则其履约担保需要在(
最新回复
(
0
)