根据短文内容及提示完成短文。
At the end of the 16th century, about seven million people spoke English. l.________ (几乎) all of them
lived in England. As people from England started 2.________ to other parts of the world, English began to
be 3. ________ in many other countries. Now more people speak English than ever 4.________.
5. ________ English speakers can understand each other even 6. ________ they don't speak the same kind
of English. 7. ________, they may not be able to understand everything.
All languages change when cultures communicate with each other. Now American English and Australian
English have their own 8.________. English is also spoken in many other countries in Africa and Asia, such
as South Africa, India, Singapore and Malaysia. Today the number of people learning English in China
9.________ increasing 10.________. In future Chinese English will become one of the world Englishes.
离子方程式H++OH—＝H2O表示的是 （ ）