while throwing a drinking party for his friends.This was during the time of Prohibition，and thus，the school wanted him to resign from his extracurricular activities.可知他是因为和朋友们在禁酒期一起喝酒才受到的处罚。

　　答案：C

　　2．What can we know about Dr.Seuss'first book?

　　A．He finished it on his way to the US.

　　B．He wrote it so badly that it was rejected.

　　C．He made enough preparation for writing it.

　　D．He got it published finally with a friend's help.

　　解析：细节理解题。根据第二段的which also became his first book及he was going home to burn the manuscript when he met an old classmate of Dartmouth，who led him to its publication Vanguard Press可知他所写的第一本书在朋友的帮助下还是得以出版了。

　　答案：D

　　3．What can be learned about Dr.Seuss'career?

　　A．He became a world－known writer in 1936.

　　B．He wrote many children's books in his fifties.

　　C．The topics of his early writings are all about wars.

　　D．He started to write films when World War Ⅱ began.

　　解析：细节理解题。根据第一段中的Theodor Seuss Geisel was born on March 2,1904及最后一段中的He began writing children's books.The favorites among those were"If I Ran The Zoo"in 1950，"Scrambled Eggs Super！"in 1953，and"On Beyond Zebra"in 1955.And in 1956，可知他五十多岁的时候写了许多儿童书籍。

　　答案：B

　　4．What should the passage be taken from?

　　A．A novel.

　　B．A report.

　　C．A biography.

　　D．A screenplay.

解析：推理判断题。本文介绍了苏斯博士的出生、教育、事业及其所获得的奖项直到他的病逝，由此可推断该文应该摘自一篇传记。