英语翻译How many different languages are spoken in the world tod

英语翻译
How many different languages are spoken in the world today?There are about 5,000 different languages.Nearly 900 languages are spoken in India．
Chinese is the language spoken by the biggest number of people in the world．But the most widely spoken language in the world is English．300,000,000 people speak English as a first language．Nearly twice as many--about 650 million people speak it as a foreign language．
How many words are there in the English language?There are about 490,000．Also,there are about 300,000 words used in science(科技)．There are more words in English than in any other language．But most people use no more than 60,000 words．
Children,leaving school at the age of 1 6,know about 1 5,000 words．
Edison had a quick mind about inventions （发明）,but not always about other things.
One day he received a notice（通知）.It said he must pay some money to the goverment（政府） by the next day.If he was late,he would have to pay still more money.Edison went to the city office,many people were waiting there in line to pay.While he waited,his mind was busy with ideas about a new invention.When he arrived at the little window,the man in it said to Edison,“Young man,what's your name?”
“I----I----I don't know,”he said.
“Then I can't help you,”the man said,and told him to leave.
Other people paid the man,Edison stood there,and tried to remember his name.The day ended he would have to pay more.
On his way home,he met a friend.Edison took the chance and asked the friend what his name was.

当今世界上,有多少种不同的语言在使用着呢?大约有5000种不同的语言.将近900种语言在印第安使用.
汉语是世界上被最大数量的人使用的语言.但是世界上用的最广泛的语言是英语.三亿人把英语作为第一语言（母语）.将近两倍超过的人也就是650百万的人把它作为外语（第二语言）.英语中有多少单词呢?大约有49万个.有近30万的单词被用于科技中（也就是科学术语）.英语比其他语言有更多的单词.但大多数人使用的单词不超过6万.
在16岁离开学校的孩子们,大约知道一万五千个单词.
爱迪生在发明方面有很强的记忆（也就是脑子好）,但对于其他事情就不是这样了.
一天他收到个通知.是说他某天必须去政府交钱（我估计是纳税）.如果他迟到了,他将得到更少的钱（就是工资减少）.爱迪生去了政府办公厅,很多人在排长对等候支付.在他等着的时候,他的脑中忙着想一个新的发明.当他走到付钱的小窗口出,在窗子里的职员问爱迪生
“年轻人,你叫什么名字?”
“我.我.我不知道”,爱迪生回答.
“那么我就帮不了你”,那个职员说,然后让他离开.
别的人向那个职员付了钱,爱迪生站在那里,尝试想起他的名字.如果这天过去,他就要付更多的钱了.
在他回家的路上,他遇到一个朋友.爱迪生抓住机会向他朋友询问他的名字.