问题 选择题

下列关于苯乙烯(结构简式为)的叙述错误的是(  )

A.可以和溴水反应

B.是苯的同系物

C.分子中有4个碳碳双键

D.1mol苯乙烯可以和4mol H2发生加成反应

答案

BC

A、有碳碳双键,可以与溴发生加成反应;

B、因为有双键,不是苯的同系物;

C、苯环上没有双键,是一种介于单键与双键之间特殊的化学键;

D、正确。

阅读理解

Together. 31 years.

Alvin Ailey American Dance Theater

They make you sway. With a dance form all their own. Originating as an intimate, innovative dance company, it has evolved into an international force. Taking the spirit of African—American culture and translating it into dance and community programs for more than 31 years. A heritage of bringing together a repertoire of Ailey classics and great dance masterpieces along with exciting new works by emerging artists. Modern Vibrant. Athletic. Colorful. Involving. Because it is dance in step with the people. Part of the neighborhood, their pulse beats—beats—beats of life. Lifting spirits. Able to leap tall buildings in a single bound. Pirouetting the globe. Soaring, moving as one, moving dance into the future. Join Philip Morris in its 8th year of supporting Alvin Ailey American Dance Theater. And celebrate the achievement of the Ailey past as they boldly step forward.

5. What does the advertisement ask people to do?

A. To see a play.     B. To watch a match.  C. To ball there.                     D. To see Philip Morris.

6. How is the company?

A. Modern and involving.  B. Intimate and innovative. 

C. Athletic and colorful   D. Vibrant and innovative.

7. What does Alvin Ailey American Dance Theater hold this activity for?

A. To develop the spirit of African—American culture.  

B. To leap tall buildings in a single bound.

C. To pirouette the globe.            

D. To celebrate the achievement of the Ailey past.

问答题 简答题