根据以上内容，回答6~10题。

You haven' t heard from your friend ( Li Ping) since last year. Write a letter according to the following out line:

1 ) greet him and tell him how you spend your vocation and

2) invite him to Beijing.

You should write about 100 words on ANSWER SHEET 2. Do not sign your own name at the end of the letter. Use "Li Ming" instead. You don' t have to write the address. ( 10 points )

Write an essay of 160-200 words based on the following charts.

In your essay, you should

1 ) point out the implication of the bar charts,

2) analyze the phenomenon, and

3) give some suggestions

You should write neatly on ANSWER SHEET 2. (20 points)

__________

__________

__________

根据以上内容，回答1~5题。

__________

__________

__________

__________

__________