8．和丙醇組成的混合物中氧的質(zhì)量分數(shù)為8%，則此混合物中氫的質(zhì)量分數(shù)為       （    ）

   A．78%                B．22%               C．14%、           D．13%

7．2―氨基―5―硝基苯甲醚俗稱紅色基B，主要用于棉纖維織物的染

       色，也用于制金黃、棗紅、黑等有機顏料，其結(jié)構(gòu)簡式如右所示。

       若分子式與紅色基B相同，且氨基與硝基直接連在苯環(huán)上并呈對位

       時的同分異構(gòu)體數(shù)目（包括紅色基B）可能為       （    ）

       A．2種                    B．4種                  C．6種                    D．10種

6．有機物C₄H₈O₃在一定條件下的性質(zhì)有：在濃硫酸存在下，可脫水生成能使溴水褪色的只有一種結(jié)構(gòu)形式的有機物；在濃硫酸存在下，能分別與乙醇或乙酸反應(yīng)；在濃硫酸存在下，還能生成分子式為C₄H₆O₂的五元環(huán)狀有機物。則有機物C₄H₈O₃的有關(guān)敘述正確的

                                                                                                                              （    ）

       A．C₄H₈O₃的結(jié)構(gòu)簡式為HOCH₂CH₂CH₂COOH

       B．C₄H₈O₃的結(jié)構(gòu)簡式為CH₃CH(OH)CH₂COOH

       C．C₄H₈O₃為α―羥基丁酸

       D．C₄H₈O₃為羥基乙酸乙酯

5．“噴水溶液法”是最近日本科學(xué)家研制出的一種使沙漠變綠洲的技術(shù)，它是先在沙漠中噴灑一定量的聚丙烯酸酯水溶液，水溶液中的高分子與沙土粒子結(jié)合，在地表下30～50cm處形成一個厚0.5cm的隔水層，既能阻止地下的鹽分上升，又有攔截、蓄積雨水的作用，下列對聚丙烯酸酯不正確的說法是                                     （  �。�

　　A．單體的結(jié)構(gòu)式為CH₂   CH―CO―OR

　　B．在一定條件下能發(fā)生加成反應(yīng)

　　C．在一定條件下能發(fā)生水解反應(yīng)

　　D．沒有固定熔沸點

4．可用來鑒別苯酚溶液、乙酸乙酯、乙苯、庚烯的一組試劑是                           （    ）

    A．銀氨溶液、溴水                                 B．酸性高錳酸鉀溶液、氯化鐵溶液

    C．酸性高猛酸鉀溶液、溴水                   D．氯化鐵溶液、溴水

3．分子式為C₄H₉Cl的同分異構(gòu)體有                                                                   （    ）

    A．1種                    B．2種                    C．3種                    D．4種

2．過氧乙酸是在抗SARS病毒期間常使用的一種高效殺毒劑，其分子式為C₂H₄O₃，它具有氧化性，漂白作用，下列物質(zhì)中漂白作用原理與過氧乙酸不同的是                                          （    ）

    A．氯水（次氯酸）                                 B．臭氧

    C．活性炭                                               D．過氧化鈉

1．（05上海）蘇丹紅是很多國家禁止用于食品生產(chǎn)的合成色素。結(jié)構(gòu)簡式如右圖。關(guān)于蘇丹紅說法錯誤的是                                           （    ）

    A．分子中含一個苯環(huán)和一個萘環(huán)                                                                   

    B．屬于芳香烴

    C．能被酸性高錳酸鉀溶液氧化                                                                             

    D．能溶于苯

36. Just as IOC President Rogge said, the Five Friendlies are a little f____, chosen carefully by Beijing 2008 to represent all of China and to carry a message of friendship to the children of the world.
37. The camera which he bought in Hong Kong last year has been d____ by his little son.
38. It’s d_____ to ride a motorcycle without a helmet.
39. The Smiths have two d_____ and one son, all of whom are working abroad.
40. Her d_____ to marry an 80-year-old man surprised everybody.
41. Who cooked this? It’s d_______.
42. They want to know what the d_____ of the well is.
43. The police asked her to give a detailed d_____ of what had happened.
44. He d______ a lecture on genetic engineering as planned.
45. Modern industrial development has almost d_____ the natural environment in some way, which the humans must rely on.
46. Nothing could be done to save the patient and he was d_____ fast.
47. Read the d______  on the bottle carefully before taking the medicine.
48. In recent years he has made two important scientific d______.
49. The problem which came up at yesterday’s meeting is under d_______.
50. The world is d_____ into seven continents.
51. The accident was due to careless d_____.
52. The machine is run by e______ not by man power.
53. All the e_____ except the manager are encouraged to work online at home.
54. Young people usually have more e_____ than old people.
55. He e_____ me my trip to Beijing.
56. I like the film very much--- e______ the last part.
57. The suit fitted me very well e_____ that the colour was a little brighter.
58. The scenery was beautiful beyond e____.
59. F_____ is the mother of success.
60. She looks f______ to me, but I don’t remember her name.
61. Will you do me the f_____ to translate this sentence into English?
62. “ What is your f______ sport ?” Jack asked me.
63. Smoking in a gas station will be f_____.
64. I looked for my watch everywhere and f_____ found it on the desk.
65. The Five Friendlies will be e_____ popular and will help to spread Olympic messages throughout the world.
66. F_____ , people are beginning to realize how serious the situation is.
67. He is a f_____ visitor to our house.
68. The radio doesn’t f_____ properly and I will have it fixed.
69. The only piece of f_____ in their living room is a sofa.
70. My friends and I have always been regarded as f_____ by the local folk.
71. March comes after F_____.
72. He has had three accidents in the past f_______.
73. The f______ to Beijing is now boarding at Gate 8.
74. These G______ are sure to read the novels written in English.
75. Now many farmers make a living by g______ vegetables.
76. Parents should help their children to form good h_____.
77. Nowadays most people use paper h_____ instead of cloth ones.
78. Judging from the h______, the letter must be written by a child.
79. Smoking is h_____ to your health. Stop smoking.
80. The problem of unemployment is a big h_____ for the government.
81. Publishing house must publish more new books h_____ to teenagers.
82. If h_____ to a high temperature, water will change to vapour.
83. Don’t h_____ to ask me for help if you have any question.
84. Are there any h_____ or sports you particularly like?
85. How will you spend your summer h_____ after the college entrance examinations?
86. The young g______ is the hope of our motherland.
87. He is a hardworking student and feels h_____ about the future.
88. What h_____ weather! We can’t go out for a picnic again.
89. China has tried every effort to become the h_____ country of 2008 Olympic.
90. He tried his best to solve the problem, however d______ it was.
91. People enjoy reading h_______ advertisements.
92. The students all have a h______ for knowledge.
93. The couple’s quarrelling and f______ hurt each other.
94. He jumped into the river to save the d______ child without hesitation.
95. The sun was h_____ by the clouds.
96. Did he have anything to say in e______ of his bad behavior?
97. The two girls are of the same age and of the same h_____.
98. The soldier was ordered to keep g_____.
99. The doctor told him to take more e_____ and eat less junk food.
100. You’ve done an e_____ job, which your parents will be satisfied with.

1． “Thank you” and “Sorry” are often used in our d____ life.
2． It is hoped that the terrible tsunami on the way can be broadcast by the advanced g_____ warning systems in future.
3． Speed skater Li Jiajun d_______ the Chinese crowd with a stunning upset( 意外的結(jié)果)，winning a bronze medal.
4． Photography is strictly f______ in the museum.
5． Her tears f______ fast at the news that both her parents had died in the flood.
6. He d___ the number 8580000 and waited.
7. Ronaldinho won the G_____ Ball on Monday as European player of the year, another honor for the Brazilian following his FIFA player of the year award last year.
8. The g______ has taken measures to curb( control ) further outbreaks of the bird flu.
9. After many f_____ and successes, he at last achieved his goal.
10. G____ must check out before noon, or they will be charged for the day.
11. Health officials are concerned about the possibility that the virus will mutate(變異) into a form that can spread e_____ from person to person.
12. E_____ pollution should be paid enough attention to by the local government and citizens.
13. The children g_____ in the garden to set off fireworks.
14. The students set up a small laboratory and d_____ every moment to the learning project.
15. The words of his head teacher, which were said at the g_____ party, left a lasting impression in his mind. He’s still affected by them.
16. Taiwan people are warmly welcoming and e_____ the arrival of panda couple.
17. As is well known, Britain and France are E_____ countries.
18. I was so f_____ by the sight that I would not take my eyes off it.
19. There is not much f_____ in the house he rented.
20. If you are e_____ by a company, you are an employee.
21. Class Two are holding a class meeting, e_____ the experience of learning English.
22. Jack and his classmates are doing a chemistry e______ in the second lab.
23. According to the constitution, everybody in that country enjoys f_____.
24. China is made up of many peoples, so we can enjoy the cultural d_____.
25. There is no clear e______ to show that he is doing something wrong. You’d better get something to prove if you think so.
26. Most of the story Robin Hood happened on a d_____ island.
27. News that China was to h_____ the 2008 Olympic Games excited every Chinese.
28. Our school has been given some new e_____ , such as computers and TVs.
29. Please remember to finish your composition and hand them in before the d______.
30. Everybody wants to go for an outing. There is almost no d_____ about the plan.
31. His health is g____ improving because of the doctor’s successful treatment.
32. The American cyclist Lance Armstrong was d____ with cancer and many thought it meant the end of his career.
33. She was less e_____ than others about going to Huangshan because she had been there twice.
34. He can’t afford to travel abroad once a year at his own e_______.
35. Little Tom is more d_____ than intelligent.