最能反映企业短期内真正有无偿债能力的财务指标是( )。 A．流动比率 B．速动比

重金属的检查采用微孔滤膜法(第四法)的目的在于

A．提高检查灵敏度

B．提高检查的准确度

C．消除难溶物的干扰

D．滤除所含有色物质

E．降低检查的难度

St Paul’s Cathedral

Ludgate Hill, EC4

Underground: St Paul’s; Bus: 6,8,11,15,22,25

Open: Daily 8:00—19:00 (17:00 from Oct. to Mar.) . Entrance free

Designed by the great architect, Sir Christopher Wren, St Paul’s Cathedral was built following the Great Fire of London of 1666, which destroyed the gothic cathedral on the site at that time. It is crowned by a magnificent dome and its choir (唱诗班) is internationally famous. Prince Charles and Lady Diana Spencer were married here in 1981.

Buckingham Palace

South end of the Mall (SW1)

Underground: St. James’s Park, Victoria, Hyde Park Corner, Green Park; Bus: 2, 11, 14, 16, 19, 22, 24, 29, 30, 38, 52, 73, 74, 137

Buckingham Palace is the official residence of the monarch (君主) for much of the year. (When the monarch is in residence, a flag flies over the palace.) The Mall is a very impressive wide street, leading from Buckingham Palace to Trafalgar Square.

Note: As the palace is the monarch’s official residence, it is not open to the public.

The Tower of London

Tower Hill, EC3

Underground: Tower Hill; Bus: 42, 78

Open: Mon—Sat.9

Parts of the Tower of London are over nine centuries old, as building began under William the Conqueror in 1078. Famous as a prison in the distant past, the Tower has also been a royal residence, a zoo and an observatory, among other things. It is now a museum and many thousands of people visit it every year in particular to see the Crown Jewels.

Westminster Abbey

Broad Sanctuary, SW1

Underground: Westminster, St James’s Park; Bus: 3, 11, 12, 24, 29, 39, 53, 59, 76, 77, 88, 109, 155, 168, 170, 172, 184, 503

Open: Daily 8:00—18:00 (Mar.—Dec, Tuesday till 20:00)

Entrance free

A Benedictine abbey which already existed on the site was rebuilt by Edward the Confessor and consecrated in 1065. On the way to its present form, the abbey was extended in the 13th—16^th centuries, with the two west towers being added in the 18th. There are many famous tombs in the abbey, including that of the unknown Warrior and those of many poets and writers.

71. These texts are most probably taken from ______.

A. a history book about London

B. a guidebook for visitors to London

C. a book about London’s churches and cathedrals

D. a book describing London’s development

No.11 bus can take you to all three of these places:

A. St Paul’s Cathedral, Westminster Abbey and the Tower of London

B. St Paul’s Cathedral, Westminster Abbey and Buckingham Palace

C. St Paul’s Cathedral, the Tower of London and Buckingham Palace

D. Westminster Abbey the Tower of London and Buckingham Palace

73. You can see the inside of all the buildings except ______.

A. St Paul’s Cathedral                        B. The Tower of London

C. Westminster Abbey                        D. Buckingham Palace

74.If you travel by Underground, you can visit two places by getting off at one station. What are the two places?

A. Buckingham Palace and Westminster Abbey

B. Buckingham Palace and St Paul’s Cathedral

C. Westminster Abbey and the Tower of London

D. The Tower of London and St Paul’s Cathedral

75.Among these four famous buildings, _____ is (are) free of charge.

A. The Tower of London

B. Buckingham Palace

C. Westminster Abbey and St Paul’s Cathedral

D. The Tower of London and St Paul’s Cathedral

男性，46岁，既往有乙肝病史，今日搬重物后呕出鲜红色血液约200ml，并有暗红色血块。体检：BP100/70mmHg，肝掌(+)，蜘蛛痣多枚，心肺(-)，腹平软，肝未扪及，脾侧卧3cm，全腹无压痛，移动性浊音(-)。呕血最可能的原因是

A．胃溃疡并出血
B．十二指肠球部溃疡出血
C．胃癌出血
D．食管贲门黏膜撕裂症
E．食管静脉曲张破裂出血

DAC0832的输出信号是（）

A.电压信号

B.电流信号

C.数字信号

D.开关信号

网络的迅猛发展在给信息交流带快捷方便的同时，也使谣言“插上了翅膀”。特别是近几年，借助现代信息技术，有人甚至有组织地造谣传谣，蓄意毁谤公民个人、策划网络热点事件，非法牟取暴利。网络谣言危害巨大，后果十分严重，不能不引起全社会的高度警惕。2013年9月9日最高人民法院发布《最高人民法院、最高人民检察院关于办理利用信息网络实施诽谤等刑事案件适用法律若干问题的解释》，明确了"捏造事实诽谤他人"的认定以及该行为的入罪标准。其中规定“同一诽谤信息实际被点击、浏览次数达到五千次以上，或者被转发次数达到五百次以上的”，应当认定为诽谤行为“情节严重”。

针对上述材料反映的问题，从文化生活角度，就如何克服互联网对青少年的消极影响提出合理化建议。