read at all, let alone an entire book a day. But if you want to make some changes in your life, the following 4 most-read books on self-improvement may help you start.

　　How to Stop Worrying and Start Living written by Dale Carnegie

　　Are you wondering why you can't stop worrying about something? No matter how hard you try, do you focus on the same problem? By finding out the reason of your stress, you can overcome this. In this book Carnegie came up with some effective ways that can help you stop worrying about the same thing again.

　　Thirteen Things Mentally Strong People Don't Do written by Amy Morin

　　You can't escape bad luck in life. But you can change how you react to it. Do you struggle to overcome your failures? Or think about things out of your control? This book will help you overcome these difficulties, which can have a great effect on your everyday life.

　　How Will You Measure Your Life written by Clayton Christensen

　　This book will give you some suggestions on how to balance your work and your life. What would make you happier at work? Perhaps a little more money or more admiration from others is what you want. Although career success can be satisfying, ignoring your family and friends can be harmful.

　　Finding Your Element written by Ken Robinson

　　This world often wants us to follow a certain life plan. If you don't know what your passion is, it just means you haven't discovered it yet. Or maybe it just disappeared early in life. This book will help find out how you can get away from the world's strict rules and find your real passion in life.

21. Whose book can help you if you can't stop worrying about things?

A. Amy Morin's B. Ken Robinson's

C. Dale Carnegie's D. Clayton Christensen's

22. If one of your friends doesn't know how to balance his work and life, you could suggest him reading .

A. Thirteen Things Mentally Strong People Don't Do

B. How Will You Measure Your Life

C. Finding Your Element

D. How to Stop Worrying and Start Living

23. What's the best title of this passage?

A. Four Books Interest You B. Four Books Occupy Your Free Time

C. Four Books Help You Relax D. Four Books Change Your Life

　　　　　　　　　　　　　　　　　　B

　　Tuvalu, a tiny country in the Pacific Ocean, has asked for help as it fears it will be swallowed up by the sea.

　　Storms and huge waves are a constant threat and none of Tuvalu's nine little islands is more than five meters above sea level. Salt water is already entering the country's drinking water supply, as well as damaging plants that produce fruit and vegetable. Without urgent help, the country's days are numbered.

But Tuvalu is not the first place to face sinking into the sea. Venice, a historic city in Italy best known for its canals, has sunk about 24 cm over the past 100 years. Experts say that it will