射孔弹药库房内应安装防爆灯具，但对电线无要求。（）

（6分）将Mg、Zn混合物2.19g溶于200mL5mol/L盐酸中，反应后盐酸的浓度变为4.6mol/L（溶液体积变化忽略不计）。求：

（1）反应消耗HCl的物质的量。

（2）该混合物中Mg、Zn的物质的量。

法玛根据投资者可以获得的信息种类，将有效市场分成弱式有效市场、半弱式有效市场和强式有效市场三个层次。( )

Beijing opera or Peking opera （Pinyin: Jīngjù） is a form of Chinese opera which arose in the late 18th century and became fully developed and recognized by the mid-19th century．The form was extremely popular in the Qing Dynasty court and has come to be regarded as one of the cultural treasures of China．Major performance troupes （剧团，戏班子） are based in Beijing and Tianjin in the north，and Shanghai in the south．The art form is also enjoyed in Taiwan，and has spread to other countries such as the United States and Japan.

Beijing opera features four main types of performers．Performing troupes often have several of each variety，as well as numerous secondary and tertiary performers．With their elaborate （认真的，精心的） and colorful costumes，performers are the only focal points on Beijing opera's characteristically small stage．They make use of the skills of speech，song，dance，and combat in movements that are symbolic and suggestive，rather than realistic．Above all else，the skill of performers is evaluated according to the beauty of their movements．Performers also hold a variety of stylistic conventions that help audiences navigate the plot of the production．The layers of meaning within each movement must be expressed in time with music．The music of Beijing opera can be divided into the Xipi and Erhuang styles．Melodies include arias （唱腔），fixed-tune melodies，and percussion patterns．The repertoire of Beijing opera includes over 1,400 works，which are based on Chinese history，folklore，and，increasingly，contemporary life.

In recent years，Beijing opera has attempted numerous reforms in response to sagging audience numbers．These reforms，which include improving performance quality，adapting new performance elements，and performing new and original plays，have met with mixed success．Some Western works have been adopted as new plays，but a lack of funding and an adverse political climate have left Beijing opera's fate uncertain as the form enters the 21st century．

小题1:How long has Beijing Opera become a popular art form?

A．About one and a half centuries.

B．More than two centuries.

C．More than one century.

D．About half a century.小题2:How many art forms of Beijing Opera at present?

A．Two including Beijing and Tianjin，and Shanghai in the south.

B．Two including Beijing and Tianjin in the north.

C．Three including Beijing and Tianjin，and Shanghai in the south and Taiwan.

D．Five including Beijing and Tianjin，and Shanghai in the south，Taiwan，US and小题3:What are the features of the performers’ movements of Beijing Opera?

A．Elaborate.

B．Colourful.

C．Realistic .

D．Representative.小题4:Which of the followings is NOT true according to the passage?

A．Performers can take different stylistic traditions in the plays.

B．The standard to estimate a performer is the amount of his/her movements.

C．It’s necessary to keep movements along the music in time.

D．The content of Beijing Opera is plentiful but much fixed.小题5:What will be the future of the Beijing Opera?

A．Very bright.

B．Certainly good.

C．Much uncertain.

D．More popular.

水烟

某市一栋综合楼，地下共4层，地上共20层，采用框架剪力墙结构，总建筑面积30万m²，主楼与其裙房之间设有防火墙等防火分隔设施，主楼各层建筑面积均大于1000m²。该综合楼总平面布局及周边民用建筑等相关信息如图1所示。该综合楼地下3、4层均为人防层，其主要使用功能均为普通汽车库、复式汽车库和储存可燃固体的库房；地下2层主要使用功能为展览厅、管理用房及燃气锅炉房、柴油发电机房、变压器室、配电室、消防泵房等设备用房；地下1层主要使用功能为消防控制室、管理用房及商场营业厅。主楼首层主要使用功能为门厅、咖啡厅、自助餐厅、商场营业厅，地上2、3层主要使用功能为儿童游乐厅、展览厅、商场营业厅，地上4～19层主要使用功能为办公室，地上20层主要使用功能为会议厅、多功能厅。裙房1～6层主要使用功能为商场营业厅。该建筑按有关国家工程建设消防技术标准配置了室内外消火栓给水系统、自动喷水灭火系统和火灾自动报警系统等消防设施及器材。

根据以上场景，回答下列问题。

消防水泵的启动方式分为哪几种？