修改病句。

①我国棉花的生产，现在已经自给有余。

②他参加完这次比赛，就宣布正式退出体育生涯。

阅读下面的文言诗文，完成下面问题。
      【甲】公与之乘。战于长勺。公将鼓之。刿曰：“未可。”齐人三鼓。刿曰：“可矣。”齐师败绩。公将驰之。刿曰：“未可。”下视其辙，登轼而望之，曰：“可矣。”遂逐齐师。
      既克，公问其故。对曰：“夫战，勇气也。一鼓作气，再而衰，三而竭。彼竭我盈，故克之。夫大国，难测也，惧有伏焉。吾视其辙乱，望其旗靡，故逐之。”

                                                                                                                                                                  （节选自《曹刿论战》）

补全对话(方框中有两项是多余的)

 Policeman：Hello! Can I help you?

Tony：Yes,please．____I left it in a taxi this morning．

Policeman：Do you remember the taxi number?

Tony：I can't remember it．

Policeman：____?

Tony：It's yellow．

Policeman：We have two yellow bags here．____

Tony：No,it isn't．

Policeman：Is that your bag?

Tony：No,it isn't．

Policeman．____

Tony：Two tapes,a notebook,a pair of gloves,a mobile phone,a camera and my ID card．

Policeman：____

Tony：My first name is Tony and my last name is Black．

Policeman：What's your phone number or email address?

Tony：My telephone number is 9873—4520 and my email is tonyblack@sina．com．Please call me or send me an email if you find my bag．

Policeman：OK．

Tony：Thank you．