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2.(09广东化学13) 警察常从案发现场的人体气味来获取有用线索,人体气味的成分中含有以下化合物:①辛酸;②壬酸;③环十二醇;④5,9一十一烷酸内酯;⑤十八烷⑥己醛;⑦庚醛。下列说法正确的是

A.①、②、⑥分子中碳原子数小于10,③、④、⑤分子中碳原子数大于10

B.①、②是无机物,③、⑤、⑦是有机物

C.①、②是酸性化合物,③、⑤不是酸性化合物

D.②、③、④含氧元素,⑤、⑥、⑦不含氧元素

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1.(09广东理科基础30)三聚氰胺(结构式如图9所示)是一种重要的化工原料,可用于阻燃剂、水泥减水剂和高分子合成等领域。一些不法分子却往牛奶中加入三聚氰胺,以提高奶制品的含氮量。下列说法正确的是

   A.三聚氰胺是一种蛋白质

   B.三聚氰胺是高分子化合物

   C.三聚氰胺分子中含有碳碳双键

   D.三聚氰胺的分子式为C3H6N6

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第三节  书面表达 (满分35分)

假设你是高二年级的李华,作为交换生9月去了Jenks High School,现已回校。你想联系你的美国老师Mr.Fox,但没有其联系方式,请根据以下几点给你的美方交流伙伴Kirk写一封信,内容包括:

1.  感谢Kirk和他家人对你在美期间的款待、照顾;

2.  询问Mr. Fox的近况并要其联系方式;

3.  邀请Kirk在春节期间来中国感受中国文化。

注意:1. 词数100-120;开头已写出,不计入词数   2. 可适当增加细节。

Dear Kirk,

I am now back in Chengdu No.7 High School, safe and sound.  ________________

____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Best regards,

                           Yours sincerely,

                            Li Hua

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第二节 短文改错(共10小题,每小题1分,共10分)

Born to be the basketball player, Kobe Bryant               76. __________

showed his shooting talent in an early age. He has always       77. __________

occupied with proving his skills on the court and improving      78. __________

himself.  Having enjoyed a successfully high school basketball   79. __________

career, Kobe went straight into the NBA after graduated. So        80. __________

far, Kobe has led the Lakers to four NBA championships.      81. __________

Thus, he is never content with his past achievements. He        82. __________

is famous for getting his teammates stay up late practising.       83. __________

When he learned a new move, he asks his teammates to practise 84. __________

it with him after it is perfect. “When you win, you have to        85. __________

constantly look for ways to get better.” Kobe said.    

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第一节  单词拼写 (共10小题;每小题0.5分,满分5分)

66. With the government’s aid, those _________(影响) by the deadly earthquake have moved to their new settlements.

67. The 10th Western China International Economy and Trade ______(博览会) held in Chengdu lately proved to be a great success.

68. It’s often believed that humans are e______ with a special ability to speak  a language.

69. The data ______(显示) that the unemployment rate is decreasing in China in spite of the global financial crisis.

70. They know you are waiting for their reply anxiously. I think your letter will get i______ attention.

71. He is studying very hard towards his dream that next summer he will be ______(录取) to Peking University.

72. Senior 3 students should do some exercise every day so as to release great p_______. 

73. Class 11 did very well in the 50-meter relay race due to their wonderful _______(合作).

74. Some top officials in Chongqing who ______(滥用) their power were sent to court and got severe punishment.

75. The ______(呼吁) to save energy made by the Students’ Union, to some extent, has contributed to students’ good habits.

66. __________ 67. __________68. __________ 69. __________70. __________

71. __________ 72. __________73. __________ 74. __________75. __________

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