从9时整算起,时针与分针第一次夹角为145°时,时间是9时______分.

来源:www.tikuol.com 发布时间:2017-05-19 18:49
题型:填空题

问题:

从9时整算起,时针与分针第一次夹角为145°时,时间是9时______分.

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题型:单项选择题

地基压缩层的计算深度z应满足式 ,其中△s ′的意义是()。

A.在计算深度z 处向上取一个自然土层的压缩量

B.在计算深度z 处向上取一个计算土层的压缩量

C.在计算深度z 处向上取计算层为1m的压缩量

D.在计算深度z 处向上取厚度为△z土层的压缩量,△z可按基础宽度b查表确定

题型:单项选择题

视 * * 炎的临床表现是( )

A.视力急剐下降,常有眼球转动痛
B.视 * * 充血,轻度隆起,视网膜静脉扩张
C.可出现视盘附近视网膜水肿,出血或渗出
D.红绿视野改变显著
E.以上均正确

题型:单项选择题

按照( ),保险分为定值保险和不定值保险。

A.保险的实施方式
B.保险价值的确定方式
C.保险标的的不同性质
D.保险人所承保危险的范围

题型:问答题

Law-and-order is the longest-running and probably the best-loved political issue in the U.S. history.

(46) Yet it is painfully apparent that millions of Americans who would never think of themselves as lawbreakers, let alone criminals, are taking increasing liberties with the legal codes that are designed to protect and nourish their society. Indeed, there are moments today when it seems as though the scofflaw represents the wave o the future. (47) Harvard Sociologist David Riesman suspects that a majority of Americans have blithely taken to committing supposedly minor derelictions as a matter of course. Already, Riesman says, the ethic of U.S. society is in danger of becoming this. "you’re a fool if you obey the rules. "

Nothing could be more obvious than the evidence supporting Riesman. Scofflaws abound in amazing variety. The graffiti-prone turn public surfaces into visual rubbish. Bicyclists often ride as though two-wheeled vehicles are exempt from all traffic laws. Litterbugs convert their communities into trash dumps. (48) Widespread flurries of ordinances have failed to clear public places of high-decibel portable radios, just as earlier laws failed to wipe out the beer-soaked hooliganism that plagues many parks. Tobacco addicts remain hopelessly blind to signs that say NO SMOKING. Respectably dressed pot smokers no longer bother to duck out of public sight to pass around a joint. The flagrant use of cocaine is a festering scandal in middle-and-upper-class life. And then there are (hello, Everybody!) the jaywalkers.

The dangers of scofflawry vary widely. (49) The person who illegally spits on the sidewalk remains disgusting, but clearly poses less risk to others than the company that illegally buries hazardous chemical waste in an unauthorized location. The farebeater on the subway presents less threat to life than the landlord who ignores fire safety statutes. The most immediately and measurably dangerous scofflawry, however, also happens to be the most visible. The culprit is the American driver, whose lawless activities today add up to a colossal public nuisance. (50) The hazards range from routine double parking that jams city streets to the drunk driving that kills some 25,000 people and injures at least 650,000 others yearly. Illegal speeding on open highways New surveys show that on some interstate highways 83% of all drivers are currently ignoring the federal 55 mph speed limit.

(48) Widespread flurries of ordinances have failed to clear public places of high-decibel portable radios, just as earlier laws failed to wipe out the beer-soaked hooliganism that plagues many parks.

题型:填空题

14PS的事故音响信号时通过()继电器获得的.