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5.某烃的衍生物(一元饱和)A是中性液体,它能与金属钠反应放出氢气,可以肯定A中有      基存在,在铜作催化剂的条件下,A能被氧化成B,B与新制的氢氧化铜加热到沸腾,生成C和红色沉淀D。由此可以证明B分子中含有       基。1体积的B蒸气完全燃烧需要其4倍体积的氧气(相同条件),则B是           ,C是      ,D是      

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4.有机物C6H12O2能发生水解反应生成A和B,B能氧化生成C。

(1)如果A、C都能发生银镜反应,则C6H12O2可能的结构简式为:

                                                                      

(2)如果A能发生银镜反应,C不能,则C6H12O2可能的结构简式为:

                                                                      

(3)如果A不能发生银镜反应,C氧化可得A,则C6H12O2可能的结构简式为:

                                                                      

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3.有A、B、C、D四种有机物,它们相互转化关系如右图所示。室温下,B为一种中性气体,B和D的分子有相同的最简式,D的蒸气对B的相对密度是2,且B、C、D都能发生银镜反应。则A、B、C、D的结构简式分别是:

A              ,B            ,C            ,D           

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2.请以乙醇为原料设计合成的方案。写出合成方案中所涉及反应的化学方程式。

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1.有A、B、C、D、E、F六种有机化合物,存在下图所示转化关系:

已知:A属于烃,且相对分子质量不超过30;在加热条件下,B可与氢氧化钠溶液反应,向反应后所得混合液中加入过量的硝酸,再加入硝酸银溶液,生成淡黄色沉淀。请写出A-F六种物质的结构简式。

A、               B、                C、              

D、               E、                F、               

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第三节:书面表达(满分30分)

   假如你叫李华,参加学校开展的“有困难向谁求助”(Who do you turn to when in trouble?)的调查活动,调查结果如下表。请用英语给报社编辑写一封信,反映以下内容。

求助对象
比例
理  由
同学、朋友
58%
年龄相仿,容易理解与交流
老师、家长
30%
有爱心、有经验、可以信任

12%
不愿与人交流,难以与人沟通

注意:1.内容要点全面,并表达出你的观点。为了使文章连贯,可适当增加内容。

2.词数:100词左右(不包括所给句子)。

  Dear editor,

I’m a student in Senior Three. We have made a survey-“Who do you turn to when in trouble?” Here are the results.

                                       

                                         

                                         

                                         

                                         

                                         

                      Sincerely yours.

                           Li Hua

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第二节:短文改错(共15小题;每小题1.5分,满分15分)

此题要求改正所给短文中的错误。对标有题号的每一行作出判断:如无错误,在该行右边横线画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:

该行多一个词:把多余的词用斜线( \ )划掉,在该行右边横线上写出该词,并也用斜线划掉。

该行缺一个词:在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词。

该行错一个词:在错的词下画一横线,在该行右边横线上写出改正后的词。

注意:原行没有错的不要改。

In my school six students punished for cheating in the mid-terms, but    76.         

this didn't stop some students from doing the same thing. In one day's     77.         

exams, on my way to home I heard some students talking with each other. "I  78    .    

was too worried that I sent a message to everyone I know to ask the answers  79    .    

of the questions on the politics exam paper." It's clear that many students    80.         

cheated. This six unlucky students became the "killed chickens", but the    81    .    

"monkeys" were not frightened at all. More and more students start cheating  82    .    

in school exams. That must be how so many students do well in the exams   83.         

at their own school, and fail in the college entrance examinations. I do hope  84.          

that useful measures could be taken stop cheating in exams.         85.   

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第一节:单词拼写(共10小题;每小题1分,满分10分)

根据下列句子所给汉语注释,在句子右边的横线上写出空缺处各单词的正确形式。

66. Going ____________ (国外) means going to work or live in a foreign country.

67. He went by, _______________  (假装) not to see us.

68. You  must have __________(忘记) to take your  English textbook.

69. There are many ______________(旅客)who are waiting for the train at the station.

70. John has three sisters. Mary is the ___________ (聪明) of the three.

71. The eleventh month of the year is _______________ (十一月)

72. The sidewalk was so __________(狭窄的) that we had to walk in single file.

73. In the past  women had to make a __________(选择) between a career and marriage.

74. China developed close relationship with many _______(亚洲) countries centuries ago.

75. Dry wood burns _____________ (容易).

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