C. do nothing but wait D. try to break the door open

25. People are advised to send messages on Wechat when trapped in an elevator so that______.

　A. their situations can be known by more people

　B. they can spend their time easily

　C. they can become less nervous

　D. they can make more friends

26. If you are trapped in an elevator, you must move less, or______.

　A. you may fall asleep B. you may become very tired

　C. you may feel bored D. you may feel lonely

27. What's the purpose of the article?

　A. To introduce how to use an elevator.

　B. To tell us an elevator often goes wrong.

　C. To warn us not to take an elevator.

　D. To teach us how to save ourselves when trapped in an elevator.

C

Last month, a common graduation ceremony (毕业典礼) was held in Tianjin University, but it received much attention. Xue Minxiu, born in 1937, graduated with excellent grades after working hard for 4 years.

Going to a university has always been a dream for Xue. But for some reasons, she didn't have the chance when she was young. Even so, she never forgot her dream. In 2014, she was accepted by Tianjin University and finally her dream came true. Since then, Xue has been a model for the people around her. She got up at 5 o'clock every morning. Then she studied for a while before brushing teeth and having breakfast. Her room was filled with books and newspapers. Wherever she went, she would take books with her.

In fact, for her age, Xue had many difficulties during the four years. But nothing could stop her. Whenever she had problems, she would either solve them by herself or ask teachers for help. Through her hard work, she passed the exams and was named "a star student" during the first period of her college life. " I think the true meaning of our lives is to challenge and improve ourselves whether we are old or young." Xue said at the graduation ceremony. "For me, learning something I enjoy is a lifelong journey. I want to thank Tianjin University for giving me the chance to achieve my dream. Our lifetime is short, so we should make good use of it."

28. At the age of ______, Xue was accepted by Tianjin University.

　A. 77 B. 85 C. 81 D. 73

29. With the help of ______, Xue solved her problems in study.

　A. her family and friends B. her teachers and herself

　C. her teachers and classmates D. her classmates and herself

30. What is the best title for the passage?

　A. A Graduation Ceremony. B. A Difficult Examination.

　C. A Hard-working Old Lady. D. A University in Tianjin.

31. Where do you think the passage may come from?

A. A science report. B. A travel book.