1、To study and implement the spirit of the two sessions is the primary political task of the educators in 2018. Through the study of the spirit of the two sessions, I have a profound awareness that the key to the prosperity and development of the country lies in the Party, and the key to the all-round
2、 rejuvenation of the nation lies in education. The two sessions were held on March 3, and the two sessions have attracted much attention. The Congress of democracy, unity, harmony, and pragmatism has determined the work of economic and social development in 2018, which is of great significance for f
3、urther promoting scientific development, promoting social harmony, and continuously opening up a new situation for the cause of socialism with Chinese characteristics. At present, the most important political task before us is to concentrate on the two Will spirit study well, carry out well. Reform
4、is still the focus of this years two sessions. Our party should continue to deepen the reform in an all-round way and unswervingly go on, and promote the modernization of the national governance system and governance ability, which requires the Party to improve its governing ability and efficiency a
5、nd raise its work level. The anti-corruption issue is also the focus of more efforts, because in the past year, our country has made great progress on the road of fighting corruption and promoting integrity, and has cracked down on many corrupt officials. To those who do not wholeheartedly for the w
6、elfare of the people of the government personnel heavy blow and warning. And it is precisely because of the vigorous administration of the party and the state that some public funds eat and drink. Corruption and other phenomena have mostly disappeared, so this years deep reform选择题训练（12）一、选择题（每小题只有一个
7、正确答案，每小题4分，共32分）1下列物质固态时，必定是分子晶体的是 ( )A酸性氧化物 B非金属单质 C碱性氧化物 D含氧酸2由羟基分别跟下列基团相互结合所构成的化合物中，属于醇类的是 ( C )3钾一钠合金(含50一80钾)可用作原子反应堆的导热剂，以下所述该合金的事实跟此项应用无关的是 ( )A能跟水剧烈反应 B具有很高的比热 C可作冷却剂 D熔点2607K4下列物质中，可用于治疗胃酸过多的是 ( )A硫酸钡 B氢氧化铝 C氧化钙 D碳酸钡5为了保护臭氧层，可采取的有效措施是 ( )A减少二氧化硫的排放量 B减少氟氯代烃的排放量C减少含铅废气的排放量 D减少二氧化碳的排放量6体积相同的某
8、植物营养液两份，其配方如下：KClK2SO4ZnSO4ZnCl2(1)03mol02mol01mol(2)01mol03mol01mol两份营养液中各离子浓度 ( )A完全相同 B完全不同 C仅c(K+)相同 D仅c(C1)相同7已知两瓶气体分别是HCl 和Cl2 ，可以区别它们的方法或试剂是 ( )观察颜色 打开瓶盖看有无白雾 湿润的淀粉试纸 湿润的红色石蕊试纸 湿润的蓝色石蕊试纸 AgNO3 溶液A B C D8浓度为05mol/L的盐酸VL，欲使其浓度增大1倍，下列采取的方法正确的是( )A加入0125VL 5mol/L的盐酸 B通入标准状况下的HCl气体112LC将溶液加热浓缩至05L
9、 D加入10mol/L的盐酸01VL，再将溶液稀释至15VL二、选择题（每小题4分，10小题共40分，每小题有一个或两个正确选项。）9在2L的密闭容器中把4molA和2molB混合，在一定条件下发生反应3A(g)+2B(g)zc(g)+2D(g)。2min后达到平衡时生成16molC，又测得反应速率v(D)=02mol/(Lmin)，下列说法正确的是 ( )AB的转化率是20 Bx=4CA的平衡浓度是14mol/L D平衡时气体压强是原来的094倍10若在化学实验中发生下列事故，处理方法正确的是 ( )A金属钠着火，用泡沫灭火器扑灭B苯酚沾在手上，应马上用NaOH溶液清洗C皮肤上沾上浓硫酸，应
10、马上用布拭去，并立即用大量水冲洗D酒精灯在桌上歪倒失火后，立即用湿布盖上11钡和钠相似，也能形成含O22的过氧化物，下列叙述中正确的是 ( )A过氧化钡的化学式是Ba20： BO22的电子式为：O ：O ：2一C1mol过氧化钠或过氧化钡跟足量水反应都生成05mol氧气D过氧化钠或过氧化钡都是强氧化剂12下列离子方程式错误的是 ( )A向偏铝酸钠溶液中滴加少量盐酸：AlO2+H+H2O =A1(OH)3B实验室制取氯气：MnO2 +4H+2C1一Mn2+2H2O +C12 C向三氯化铁溶液中加入过量铜屑：2Fe3+Cu=2Fe2+Cu2+D用NaOH溶液吸收少量H2S 气体：OH一+H2S =
11、HS一+H2O 13下列各组溶液混合后一定能产生沉淀的是 ( )A硝酸银溶液和氨水 B氨水和氯化铝溶液C硫代硫酸钠溶液和稀硫酸 D亚硫酸钠溶液和稀硝酸14含112gKOH的稀溶液与1L012molL的H2SO4 溶液反应放出1146kJ的热量。该反应的热化学方程式是 ( )AKOH(aq)+1/2H2SO4 (aq)=1/2K2SO4(aq)+H2O (1) H= 一1146kJmolB2KOH(aq)+H2SO4 (aq)=K2SO4(aq)+2H2O (g) H= 一1146kJmolC2KOH(aq)+H2SO4 (aq) =K2SO4(aq)+2H2O (1) H= 一1146kJmo
12、lDKOH(aq)+1/2H2SO4 (aq)=1/2K2SO4(aq)+H2O (1) 日= 一573kJmol15氢镍电池是近年开发出来的可充电电池，它可以取代会产生镉污染的镉镍电池。氢充电放电镍电池的总反应式是1/2H2 +NiO(OH) Ni(OH)2。根据此反应式判断，下列叙述中错误的是 ( )A电池放电时，电池负极周围溶液的pH不断增大 B电池放电时，镍元素被氧化C电池充电时，氢元素被还原 D电池放电时，H2 是负极16某强酸性溶液中，含有大量的Fe2+、Ba2+、K+，则此溶液中不可能存在的离子是( )AMnO4 BFe3+ CNO3 DCu2+17除去下列各组物质中混有的少量杂
13、质(括号内为杂质)所用试剂不正确的是( )AFe2O3 (A12O3 )用NaOH溶液 B乙酸乙酯(乙醇)用乙酸C铜粉(FeS)用稀H2SO4 DCO2 (SO2 )用饱和NaHCO3 溶液18结构简式是CH2=CHCHO的有机物不能发生的反应是 ( )A加成反应 B银镜反应 C氧化反应 D水解反应This years two sessions of the National peoples Congress were held under the leadership of the party Central Committee to hold high the banner, to dev
14、elop scientifically, to reform and innovate, and to make steady progress. Although this session of the National peoples Congress and the last session of this session of the Chinese peoples political Consultative Conference were held, they were lively and fruitful. Such words as seeking progress in a
15、 steady way, reasonably anticipating, deepening reform, government responsibility, and peoples livelihood construction have become the focus of peoples attention. To sum up, the main tasks of this year are to stabilize growth, control prices, adjust structure, benefit peoples health, grasp reform an
16、d promote harmony. It is necessary to profoundly grasp the objectives, tasks, and work priorities of this years economic and social development, and earnestly unify the thinking and action with the central authorities scientific judgment of the situation. Unified to the central governments major policy-making arrangements, and the implementation of the actual work.
