题目

将有机物的混合物在一定条件下反应：①甲醇与乙醇的混合物与浓硫酸加热得醚；②乙二醇与乙酸酯化得酯；③氨基乙酸和丙氨酸生成二肽；④苯酚和浓溴水反应。所生成的有机物的种类由多到少的顺序是（    ）        A．③②④①        B．④③②①      C．③①②④    D．①②③④ 答案：C配对阅读。左栏是五个人的相关信息，右栏是一份报纸的七个版面介绍，请为左栏的每个人选择合适的信息。57. Xiao Hong: She wants to know the news all around the world.58. Ming Ming: A basketball fan. He is good at it. He doesn't want to miss any basketball match.A. China has 1.3 billion people. At least 25 people were killed in Japan earthquake(地震). An 8-year-old boy was missing on his way to school...B. Cellphone used as MP3, TV, radio and camera. It's possible.59. Ke An: He wants to buy a thing. He can use it to listen to music and take some photos.60. Deng Qi: A college student. He is going to study in America, so he needs to know more about the college life there.61. Zhang Ming: An English learner. She finds that she always has difficulty in reading English passages.C. What is new about the singers, film stars and film? Come here.D. Students studying abroad. Harvard University students are the champions at the America MTV-Samsung Anycall All Campus “New Air” Singing Contest.E. If you have any ideas about the week's topic, or you have some question about your life, you can write to for@21 stcentury.com.cnF. Have some problems in reading? Come to language Lab. Here is a good choice for you.G. Do you like sports? We can watch FIFA, NBA, CBA... and you can see your favourite stars Adrian Mutu, Sharapova, Yao Ming... 1.________2.________3.________4.________5.________