
万源高三复读如何相关问题汇总
1、高三复读学校推荐吗?
2、高考复读怎么复读?
3、中学不能复读?
4、今年还能复读吗?
5、高考复读生和应届生有什么不同?
万源高三复读如何入学检测化学选择题摘录
1、下列有关离子方程式与所述事实相符且正确的是
A. 用惰性电极电解CuCl2溶液:2Cu2++2H2O4H++O2↑+2Cu
B.Ba(OH)2溶液中滴加NaHSO4溶液至中性:Ba2++OH-+H++SO= BaSO4↓+H2O
C.用双氧水和稀硫酸处理印刷电路板:Cu + H2O2 + 2H+ = Cu2+ + 2H2O
D.氯气和水的反应:Cl2+H2O=2H++Cl-+ClO-
【知识点】离子反应的本质
【答案】
C
2、下列离子方程式,一定正确的是( )
A.亚硫酸钠与稀硝酸反应SO32-+2H+=SO2↑+H2O
B.氢氧化钡中加入稀硫酸: H++OH— = H2O
C.用碳酸钠溶液吸收少量二氧化硫:2CO32-+SO2+H2O=2HCO3-+SO32-
D.将少量SO2气体通入Ca(ClO)2溶液中SO2+Ca2++2ClO-+H2O=CaSO3+2HClO
【知识点】离子反应的本质
【答案】
C
3、pH=a的某电解质溶液中,插入两支惰性电极通直流电一段时间后,溶液的pH > a,则该电解质可能是( )
A.NaOH B.H2SO4 C.AgNO3 D.Na2SO4
【知识点】电解原理及其应用单元测试
【答案】
A
万源高三复读如何入学检测英语选择题摘录
1、 It’s my to make sure that the disabled people in our neighborhood have access to all public buildings.
A. ambition B. behavior C. dignity D. assistance
【知识点】名词 【答案】
A
解析:略
2、 from the top of the tower ,the south foot of the mountain is a sea of trees.
A. Seen B. Seeing C. Having seen D. To see
【知识点】非谓语动词 【答案】
A
3、 _____ snacks and drinks, but they also brought cards for entertainment when they had a picnic in forest.
A. Not only they brought B. Not only did they bring
C. Not only brought they D. Not only they did bring
【知识点】其他 【答案】
B
解析:略
4、 Much of the farm is under water; ___________ the grain, most of that has been ruined.
A. owing to B. thanks to C. as for D. as with
【知识点】介词 介词短语 【答案】
C
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