题目内容：

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

A Japanese man who believes 1. smiling has become the world’s oldest male，Guinness World Records repots. Chitetsu Watanabe was born in Niigata in northern Japan in 1907. He received a certificate 2.  (recognize)him as the world’s oldest man on Wednesday at a healthcare center in the city. It confirmed he was 112 years and 344 days old. The former record holder 3.  (be)Masazo Nonaka，another Japanese，4. died last month. The oldest living woman，Kane Tanaka，is also Japanese. She is 117 years old.

Until about 10 years ago，Watanabe did bonsai，the Japanese 5.  (tradition)art of growing small sculpted(雕刻的)trees. His works appeared at shows 6.  (regular). These days，he loves eating different 7. (dessert)，such as sweet custards，Guinness said. Watanabe attended  8. agricultural school，and completed a study program there. He then moved to Taiwan to work at Dai-Nippon Meiji Sugar. He lived in Taiwan for 18 years. He and his wife Mitsue had five children，Guinness also reported. After the end of World War II，Watanabe returned to Niigata，Japan. He worked for the local government until his 9. (retire). He also grew fruit and vegetables on the family farm. 10.(ask)about the secret to his long life，Watanabe says：Don’t get angry and keep smiling.