下列指标中,( )既可以反映沥青的热稳定性,又可以表征沥青的条件粘度。A.针入度 B

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问题:

下列指标中,( )既可以反映沥青的热稳定性,又可以表征沥青的条件粘度。

A.针入度

B.延度

C.软化点

D.针入度指数

考点:公路工程试验检测员考试材料材料
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若a、b都是有理数,规定a*b=a2+b2,则﹣2*(﹣3)=(    )

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一般情况下,代理专项保险业务的保险代理是()。

A.银行代理

B.行业代理

C.单位代理

D.个人代理

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Earlier this summer Arnold Schwarzenegger, California’s governor, said that the state’s penal system was "falling apart in front of our very eyes". Indeed so. Some 172,000 inmates are crowded into institutions—from the state’s 33 prisons to its 12 "community correctional facilities"—that are meant to house fewer than 90,000. Drug abuse is rampant; so too are diseases such as HIV and hepatitis C. Race-based gangs pose the constant threat of violence, riot and even murder. And with more than 16,000 prisoners sleeping in prison gymnasiums and classrooms, rehabilitation programs are virtually non-existent—which helps to explain why two-thirds of California’s convicts, the highest rate in the country, are back in prison within three years of being released.

Will the governor’s summons of a special session of the state legislature, beginning this week, bring a remedy The reason for the session is to discuss Mr. Schwarzenegger’s request for almost $ 5.8 billion of public money to be pumped into the prison system. Bonds for $ 2 billion would finance ten 500-bed "re-entry facilities" for prisoners nearing the end of their sentences; another $ 2 billion would expand existing prisons; $1.2 billion would be earmarked for two new prisons; and $ 500m would go for new prison hospitals.

Money alone will provide neither an immediate solution nor a lasting one. The first problem is that California simply puts too many offenders in prison. The imprisonment rate, which has risen almost eight-fold since 1970 and is way ahead of any European country, has consistently meant overcrowding despite the construction of 22 new prisons in the past 20 years.

The 1994 "three-strikes" law, approved by voters in a referendum, means handing out 25-years-to-life sentences for often trivial third offences—and results in the growing presence in prison of elderly inmates who cost the taxpayer far more than the average of $ 34,000 a prisoner. Meanwhile, the practice of returning parole violators to prison, even for relatively trivial mis-steps such as missing a drugs test, also strains the system; some 11% of inmates are parole violators. Added to all these are more than 5,000 illegal immigrants being held on behalf of the federal government.

The second problem is that any attempt to reform California’s penal policy becomes hostage to politics. Two years ago, the governor was expressing optimism. He added the word "rehabilitation" to California’s department of corrections, appointed Rod Hickman, a reform- minded former prison guard, to oversee the system and promised to lessen the power of the 31,000-p prison guards’ union, not least by breaking the "code of silence" that protects corrupt or violent guards. But that was then. The reality now is that Mr. Hickman resigned in March. Evidence indicates that the governor’s office may have given the code of silence in California’s prisons a new lease on life.

Many experts say that with no moderation in sentencing policies on the horizon, the prison population is expected to grow by another 21,000 over the next five years—enough to out-pace any prison-building program. Thus, the dream of prison reforms will never touch the ground.

According to the passage, California has the highest rate of returning prisoners because()

A.the prisons in California are too crowded

B. the prisons failed to rehabilitate the prisoners

C.the prisoners can sleep in the gymnasiums and classrooms

D. the prisoners are released after only three years of imprisonment

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以下服务项目哪一项不属于CNNIC服务范围()。

A、注册.cn域名

B、IP地址分配

C、网络接入

D、编写中国互联网络发展状况报告

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读“某地等高线地形示意图”,回答下列问题。

某天文爱好者在某市旅游时,在A山顶测得北极星的高度角是36°34′,在B山顶测得北极星的高度角为36°36′,在游览完B山后,在山顶观测到太阳正好在正南方向时,他从收音机里收听到“BBC”播报国际标准时间为7月20日4点整。

图中①②③④四条河流中,实际上不可能存在的是哪条河?据图判断哪条河水流最快?

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