the world．And with its growing economic strength，it could be that in the long term people from other countries will feel the need to learn Chinese．

　　We also need to consider whether it would be a good thing if a world language emerged．It could be that，as in Zamenhof's dream for Esperanto，a world language would contribute to world peace and understanding. On the other hand，it could mean that many local languages and local cultures would die．Only time will tell whether a particular language will be spoken by everyone in the world．Who knows，in the future you might be writing Chinese materials for my children to study!

24．What do we know about Eaperanto?

A．People have made it the official language．

B．It was invented in 1911．

C．It is highly thought of by Zamenhof．

D．It will definitely become a world language．

25．How is Paragraph 2 mainly developed?

A．By listing examples．

B．By raising questions．

C．By providing data．

D．By following time order．

26．Why will people need to learn Chinese in the future?

A．Because China is a dominant country．

B．Because China has a broad diplomacy policy．

C．Because China'economy is developing rapidly．

D．Because China makes the greatest contribution in the world．

27．What is the writer's attitude towards a world language?

A．Critical． B．Indifferent． C．Doubtful． D．Objective．

　　Melinda and I started our foundation in 2000 with the idea that by backing innovative work in health and education，we could help billions of people improve their lives．The progress we've seen so far is so exciting that we firmly believe that we will see the following 3 big breakthroughs by 2030．

First，child deaths will go down by half．Today，one in 20 children in the world died before age 5．By 2030，it will be one in 40．Almost all countries will include vaccines for diarrhea(痢疾)and pneumonia(肺炎)，two of the biggest killers