
万源高中可以复读相关问题汇总
1、2022年复读政策吗?
2、2022高考生明年能复读吗?
3、高三复读什么时候报名?
4、2022年取消高考复读吗?
5、今年高中复读政策?
万源高中可以复读入学检测化学选择题摘录
1、现有200mLNH4HCO3和Na2CO3的混合溶液,加入含a mol氢氧化钠的溶液并加热,恰好反应完全;继续加入含bmolHCl的盐酸恰好反应完全,则该混合溶液中c(Na+)为 ( )
(提示:NH4++OH一=NH3+H2O)
A.(0.5b-0.5a)mol/L
B.
C.
D.(5b-5a)mol/L
【知识点】钠的化合物
【答案】
D
2、甲烷是一种高效清洁的新能源,4g 甲烷完全燃烧生成液态水时放出222.5kJ热量,则下列热化学方程式中表示甲烷燃烧热的热化学方程式是
A. 1/2CH4(g)+ O2(g)=1/2CO2(g)+ H2O(l) △H =+445kJ·mol-1
B. CH4(g)+ 2O2(g)= CO2(g)+2H2O(l) △H =+890kJ·mol-1
C. CH4(g)+ 2O2(g)= CO2(g) +2H2O(l) △H =-890kJ·mol-1
D. 2CH4(g) + 4O2(g)= 2CO2(g)+ 4H2O(l) △H =-1780kJ·mol-1
【知识点】燃烧热和中和热
【答案】
C
3、下列物质的同分异构体数目最少的是(不考虑立体异构)
A.C5H10与HCl的加成产物
B.的二硝基取代物
C.分子式为C4H8O2能与NaOH溶液反应的有机物
D.分子式为C6H14含有4个甲基的有机物
【知识点】烃的衍生物单元测试
【答案】
D
万源高中可以复读入学检测英语选择题摘录
1、 100. In the battle we fought to the death in defense of our positions and paid a heavy _____ for last victory.
A. cost B. price C. value D1. Pay
【知识点】名词 【答案】
A
2、 _______ his scientific work, he has no time to care for his family affairs, _______, of course, his wife always complains about.
A. Devoting to; which B. Being devoted to; that
C. Devoted to; which D. Devoting to; that
【知识点】非谓语动词 【答案】
C
3、 small step by the Jade Rabbit (Yutu), China’s first soft landing on the moon, has been historic leap in China’s space dreams.
A. A; / B. A; the C. The; / D. The; a
【知识点】冠词 【答案】
D
4、 Every time she was in trouble, she went to him for help, as he said he ____ do anything for her.
A. should B. would C. must D. might
【知识点】虚拟语气与情态动词 【答案】
B关于万源高中可以复读相关信息,小编就整理到这里,感谢大家一如既往的支持,如有其它问题需要咨询,请直接联系我们。