人民警察以( )进行社会行政管理。 A．党的名义 B．国家名义 C．人民的名

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At least 115 Chinese miners have been pulled alive from a flooded coal mine after more than seven days trapped underground.

Rescuers cheered and some shed tears as the latest survivors emerged alive Monday after more than a week trapped in a flooded mine in north China's Shanxi Province. Officials were also relieved as their round-the-clock rescue mission prevented one of the country's worst mining disasters.

The head of the province's Work Safety ministry, Luo Lin, was among thousands of relatives waiting desperately for news at the pit entrance after rescuers said they had heard voices deep within the mine shaft over the weekend.

It is a miracle in China's mining rescue history, Luo says. He thanked the rescuers for their effort as he counted the miners leaving the entrance.

By late evening Monday, 115 miners had been pulled out alive, China's state media said. They were led to waiting ambulances with their eyes covered to prevent the glare from lights. All are said to be in a stable condition after being trapped in water for nearly nine days. They were able to breathe during their ordeal thanks to air pockets.                         

Three-thousand rescuers dug and pumped water for seven days to reach the miners at the Wangjialing Coal Mine, which is considered a modern facility.

The first survivors were brought to the surface shortly after midnight on Monday. Attempts to reach the 38 who remain trapped are continuing.

153 people were believed to be trapped underground. But families say this is an underestimate, claiming many more were working in the mine at the time of the flooding.

A preliminary investigation last week found that officials had ignored reports of water leaks prior to the accident.

China relies heavily on coal to fuel its booming economy. But it has some of the most dangerous mines in the world, with many mine bosses ignoring safety concerns to meet demand and chase profits.

The government has sought to improve safety in recent years by clamping down on illegal mines and this seems to have prevented many deaths.

According to official figures, 2,631 coal miners died in 1,616 mine accidents in China in 2009 – down 18 percent from the previous year.

64. Which is the best title of the passage?

A. The Flooded Coal Mine  

B. Miners Trapped were Saved

C. The Worst Coal Mine Accident

D. 115 Miners Rescued, 38 Still Missing 

65. The underlined word “round-the-clock” in Para 2 most probably means “_______”.

A. finishing before a particular time

B. changing the time shown by clock

C. all day and all night without stopping

D. from the beginning to the end

66. Which of the following is True according to the passage?

A. Coal plays a decisive role in China’s economy.

B. Mine accidents have been increasing in recent years.

C. 115 miners were working underground when the flooding happened.

D. About 3200 coal miners died in mine accidents in China in 2008.

67. At least 115 coal miners were rescued _______.

A. on the day the accident happened

B. after more than 7 days trapped underground

C. after working underground for 9 days

D. 10 days after the accident happened

人的心脏一般位于

A．盆腔中央

B．胸腔中央偏左下方

C．腹腔中央

D．胸腔中央偏右下方

男性，50岁。有动脉粥样硬化病史。突然感到剧烈刀割样胸痛2小时，向背部放射。查体发现主动脉瓣区可闻及舒张期杂音。考虑为主动脉夹层可能。

下列哪一项是其常见的胸片表现（）

A.主动脉弓部和降主动脉上部影增宽

B.主动脉影狭小

C.主动脉影外形不规则

D.主动脉影位置改变

E.主动脉搏动增强

用波长为4×10^－7m的紫光照射某金属，发出的光电子垂直进入3×10^－4T的匀强磁场中，光电子所形成的圆轨道的最大半径为1.2cm(电子电荷量e＝1.6×10^－19C，其质量m＝0.91×10^－30kg)．则下列说法正确的是 

A．紫光光子的能量可用E＝h计算

B．光电子的最大初动能可用E_k＝计算

C．该金属发生光电效应的极限频率约4.75×10¹⁴Hz

D．该金属发生光电效应的极限频率约4.75×10¹⁵Hz