阅读理解
What did you do on April 23, World Book Day, last year? Did you find some interesting books to read? Now let me introduce some good books for you to read.
Title: Dear Andreas
Author: Long Yingtai＆Andreas
Andreas is a college student studying in Germany. His mother is a writer working in Taiwan. By writing letters to each other for more than three years, Long Yingtai says she clearly understands what an 18-year-old man is like, Andreas says he knows his mother better. This is a great book full of love. Don't miss it.
Title: Climate Change+2 Degrees
Author: Yamamoto Ryoichi
If the earth's temperature went up 2℃, what would happen? In this book we learn about the history, today's situation and the future of global warming. The author also tells us proper and useful ways to protect our world.
Title: The Methods and Madness Inside Room 56
Author: Rafe Esquith
Perhaps the most famous fifth-grade teacher in America, Rafe Esquith, helps his children understand literature, love life, and become happy, self-confident people using his successful methods in his Los Angeles public school classroom. He has created surprising miracles. This is a powerful book. You'd better read it.
Title: The Last Lecture
Author: Randy Pausch
Randy Pausch, a professor from New York was asked to give a lecture. He knew it would probably be his last lecture, because he was dying of illness. His lecture wasn't about dying, but about getting over the difficulties, helping others to realize their dreams.
的解集为全体实数，则实数a的取值范围是（ ） 