5．下列物质，按其晶体的熔点由高到低顺序排列的是( )
A．H2O、H2S、H2Se、H2T B．Cs、Rb、K、Na
C．SiO2、NaCl、CCl4、SO2 D．F2、Cl2、Br2、I2
4．下列各组物质的晶体中，化学键类型相同、晶体类型也相同的是 A．SO2和SiO2 B．CO2和H2O C．NaCl和HCl D．Na2O2和KCl
3．下列各组粒子中只具有还原性的是( )
A．F－、SO2、K B． Na、Zn、I－
C．Fe3+、NO3－、SO42－ D． Fe2+ 、O2 、H2O2
2．下列反应既属于氧化还原反应，又是吸热反应的是( ) A．铝片与稀盐酸的反应 B．Ba(OH)2·8H2O与NH4Cl的反应 C．灼热的炭与CO2的反应 D．甲烷在氧气中的燃烧反应
1．下列叙述不正确的是 ( )
A．油脂水解可得到丙三醇
B．可用碘单质检验淀粉水解是否完全
C．蛋白质水解的最终产物均为氨基酸
D．纤维素水解与淀粉水解得到的最终产物不同
内容提示：(1)不带管制刀具到学校；
(2)不私自下河洗澡；
(3)不打架；
(4)上学放学的途中应该注意安全；
(5)遇紧急情况，立即报告警察或老师。
……
参考词汇：管制刀具：restricted knives or things；洗澡：have a bath；打架：fight；紧急情况：emergency；交通安全：pay attention to the traffic。
写作要求：(1)用词恰当，要点全面，层次清晰，书写规范。
(2)可适当发挥，80词左右，开头、结尾已给出，不计入总词数。
(3)严禁出现自己的真实姓名和学校等相关信息。
Dear students,
As we know, safety is the most important thing in our lives. So, we should try our best to make sure we are safe. ___________________________________________________________
______________________________________________________________________________
Yours,
Daming
广安市二O一O年高中阶段教育学校招生考试
I live in the country and my father was a farmer. 1._____________________
He is now forty－five year old. Because of years of 2._____________________
hard work, he looks old than his age. When I was 3._____________________
young, he used to tell me the important of study. 4._____________________
Father knows few about English and other subjects, 5._____________________
but he usually gives me any good advice on how 6._____________________
to learn my lessons good. He is not only kind to me 7._____________________
but also very strict in me. With his help, I’ve made 8._____________________
great progress. I’ll never forget what him taught 9._____________________
me. I think my father is a best father in the world. 10.____________________
7. It’s pleasant to visit Alaska in __________________ (八月) but it might be cool in the evening.
One day two young men went to the forest. On the way, one said t the other, “We’re g friends. We must help each o ” “All right!” the other one answered. After a short t , there was a great noise. It was a big bear. The two men ran a quickly. One of them got up into a tree. The other was fat and couldn’t c up. He threw himself at the foot of the tree. The bear came near. It looked at the fat man, put i nose down and smelt him. It thought the young man was dead, so it walked away. The man in the tree came down. He asked his friend, “The bear put its mouth so near to your ear. W did it say to you?” The fat young man answered, “the bear said, ‘A friend in need is a friend indeed.’ ”
6. I asked her if she was ready to go, and she ______________________ (点头) her head.
5. Many ______________________ (机器人) will do heavy work for us in the future.