1体积pH=2的盐酸与10体积某一元强碱溶液恰好完全反应,则该碱溶液的pH等于

题型:选择题

问题:

1体积pH=2的盐酸与10体积某一元强碱溶液恰好完全反应,则该碱溶液的pH等于

A.9

B.10

C.11

D.12

考点:燃烧热水的离子积常数水电离的影响因素水的电离平衡
题型:选择题

Information has been put forward          more middle school graduates will be admitted into universities. [      ]

A. while      

B. that        

C. when        

D. as

题型:选择题

某投资者2月份以500点买进5月份到期执行价格为13000点的恒指看涨期权,同时,又以300点的权利金买入一张5月份到期执行价格为13000点的看跌期权,则其盈亏平衡点是( )点。

A.12200

B.13000

C.13600

D.13800

题型:选择题

社团贷款前期的筹组由()负责。

A、牵头社

B、县(市)联社

C、省级联社

D、当地政府

题型:选择题

电力金具产品检测试验关键项包括:________、________、化学成分。

题型:选择题

Throughout the 19th century and into the 20th, citizens of the United States maintained a bias against big cities. Most lived on farms and in small towns and believed cities to be centres of (1) , crime, poverty and moral (2) Their distrust was caused, (3) , by a national ideology that (4) farming the greatest occupation and rural living (5) to urban living. This attitude (6) even as the number of urban dwellers increased and cities became an essential (7) of the national landscape. Gradually, economic reality overcame ideology. Thousands (8) the precarious (不稳定的) life on the farm for more secure and better paying jobs in the city. But when these people (9) from the countryside, they carried their fears and suspicions with them. These new urbanities, already convinced that cities were (10) with great problems, eagerly (11) the progressive reforms that promised to bring order out of the (12) of the city.

One of many reforms came (13) the area of public utilities. Water and sewerage systems were usually operated by (14) governments, but the gas and electric networks were privately owned. Reformers feared that the privately owned utility companies would (15) exorbitant (过渡的) rates for these essential services and (16) them only to people who could afford them. Some city and state governments responded by (17) the utility companies, but a number of cities began to supply these services themselves. (18) of these reforms argued that public ownership and regulation would (19) widespread access to these utilities and guarantee a (20) price.

(8)()

A.deserted

B.departed

C.abolished

D.abandoned

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