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（36）一、 选择题（每小题只有一
7、个正确答案，每小题4分，8小题共32分）1、下列各组气体中，两种气体的分子数一定相等的是（ ） A、压强相同，体积相同的CO和H2； B、同温同压下，1LH2和1LCO、O2的混合气； C、质量相等、密度不等的N2和C2H4； D、体积相等，密度不等的N2和CO；2、CaC2和MgC2都是离子化合物.下列叙述中正确的是A、MgC2和CaC2都能跟水反应生成乙炔； B、C22-的电子式为:C C:2-C、CaC2在水中以Ca2+和C22-形式存在； D、MgC2的熔点低，可能在100以下。3、将0.1 mol下列物质置于1 L水中充分搅拌后,溶液中阴离子数最多的是A KCl B Mg(OH)2
8、C Na2CO3 D MgSO44、在室温下等体积的酸和碱的溶液,混合后pH值一定小于7的是(A)pH=3的硝酸跟pH=11的氢氧化钾溶液 (B)pH=3的盐酸跟pH=11的氨水(C)pH=3的硫酸跟pH=11的氢氧化钠溶液 (D)pH=3的醋酸跟pH=11的氢氧化钡溶液5下列说法不正确的是 （ ） A、1molNa做还原剂时可提供出NA个电子； B、71gCl2变成氯离子时失去的电子数为2NA C、17gNH3与22.4升CH4所含质子数相等； D、NA个氧分子与NA个氢分子的质量比为16:162001年11月17日网易报道，意大利科学家使用普通氧分子和带正电的氧离子作用，制造出新型氧分子O
9、4，它的结构很复杂，可能具有与S4相似的长方形结构，下列有关O4的说法不正确的是 A、O4与O2、O3都是氧的同素异形体； B、合成O4的反应可看作核聚变反应； C、O4分子存在极性共价键； D、O4能量密度比普通氧分子高，将来可用作更强力的火箭推进的氧化剂。7关于晶体的下列说法正确的是 A、在晶体中只要有阴离子就一定有阳离子 B、在晶体中只要有阳离子就一定有阴离子C、原子晶体的熔点一定比金属晶体的高 D、分子晶体的熔点一定比金属晶体的低 T1P1tB%T1P2T2P28已知某可逆反应mA（g）+ nB（g） pC（g）;H?。在密闭容器中进行，下图表示在不同反应时间t、温度T和压强P与反应物
10、B在混合气体中的百分含量B%的关系曲线，由曲线分析，下列判断正确的是 A、T1P2、m+nP1，H T2、P1P1、H 0；C、T1P2、m+nP1，H T2、P1P2、m+n0；二、 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。）8、若pH=3的酸溶液和pH=11的碱溶液等体积混合后溶液呈酸性，其原因可能是： A、生成了一种强酸弱碱盐 B、弱酸溶液与强碱溶液反应 C、强酸溶液与强碱溶液反应 D、一元强酸溶液和一元强碱溶液反应9、将等体积的0.4mol/LCH3COONa和0.2mol/LHNO3溶液混合，则混合液中下列关系正确的是：A、Na+CH3COO-NO3-H
11、+OH-B、Na+CH3COO-H+NO3-OH-C、将混合液中加水稀释过程中，H+/Na+的比值变大；D、将混合液中加水稀释1010倍以后，溶液PH接近10，NO3-=10-11mol/L。11、用标准盐酸滴定未知浓度的NaOH溶液，下列各操作中，不会引起实验误差的是 A、用蒸馏水冼净滴定管后，装入标准盐酸进行滴定； B、用蒸馏水冼净锥形瓶后，再用NaOH液润洗，而后装入一定体积的NaOH液 C、用碱式滴定管取10.00mLNaOH溶液放入用蒸馏水洗净的锥形瓶中，再加入适量蒸馏水进12、某溶液滴入酚酞显红色，加入铝粉产生氢气，则在此溶液中能大量共存的离子组是（ ） A、Mg2+、K+、NO3
12、-、SO42- B、AlO2-、NH4+、Na+、Br- C、SO42-、Cl-、AlO2-、Na+ D、NH4+、I-、Fe3+、Cl- 13、在一密闭容器中，反应aA(g) bB(g)达到平衡后，保持温度不变，将容器体积增加一倍，当达到新的平衡时，B的浓度是原来的60%，则 A、平衡同正反应方向移动了； B、物质A的转化率减少了； C、物质B的质量分数增加了； D、a b14、在醋酸和醋酸钠的混合溶液中，测得CH3COO-=Na+，则溶液中存在的下列关系式正确的是 A、H+=OH- B、CH3COOHCH3COO- C、H+ OH- D、H+ + OH- = Na+ + CH3COO-15
13、、下列各组气体中，两种气体的分子数一定相等的是（ ） A、压强相同，体积相同的CO和H2； B、同温同压下，1LH2和1LCO、O2的混合气； C、质量相等、密度不等的N2和C2H4； D、体积相等，密度不等的N2和CO；16、某溶液滴入酚酞显红色，加入铝粉产生氢气，则在此溶液中能大量共存的离子组是（ ） A、Mg2+、K+、NO3-、SO42- B、AlO2-、NH4+、Na+、Br- C、SO42-、Cl-、AlO2-、Na+ D、NH4+、I-、Fe3+、Cl- 17、在一密闭容器中，反应aA(g) bB(g)达到平衡后，保持温度不变，将容器体积增加一倍，当达到新的平衡时，B的浓度是原来
14、的60%，则 A、平衡同正反应方向移动了； B、物质A的转化率减少了；C、物质B的质量分数增加了； D、a b18、在醋酸和醋酸钠的混合溶液中，测得CH3COO-=Na+，则溶液中存在的下列关系式正确的是 A、H+=OH- B、CH3COOHCH3COO- C、H+ OH- D、H+ + OH- = Na+ + CH3COO-This years two sessions of the National peoples Congress were held under the leadership of the party Central Committee to hold high the
15、banner, to develop 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
16、 progress in a 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, g
17、rasp reform and 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.
