一颗图钉尖的面积是5×10^-4cm²,图钉帽的面积是0.5×10^-4m²，手指对图钉的压力为20N，则图钉尖对墙面产生的压强是____Pa ，在1标准大气压下图钉帽受到大气的压力是____N  (1标准大气压为P₀=1.0× 10⁵Pa ）

    Yuki Bhambri is one of the best tennis players in India. He was born (出生) in New Delhi in July, 1992. Yuki has a sporty family.____two sisters and a cousin are all good tennis players. Maybe because of that, Yuki started playing tennis young -- at the ____of six. It was soon clear that Yuki was more ____than many other players of his age.

    In 2008, Yuki played in the four Junior Grand Slam Tournaments (青少年大满贯锦标赛). They are quite important tennis games____ juniors He didn't win any of those games,____the world got to know the talented young tennis player. In the same year, Yuki won the Orange Bowl, another important tennis game in the world. He was the ____ Indian player to win that game. In 2009, Yuki won the Junior Australian Open. Then in 2010 he played in the first Youth Olympic  Games in Singapore and ____ the silver medal (银牌).

    There are not always happy and exciting moments (时光) in the tennis star' s life. Once Yuki had to stop ____an important game because of an injury. He felt sad. However, his love for tennis never ____ He takes every game seriously and ____the world that he is a really good tennis player.

读美国本土图，回答：

—Where are my model planes, mom?                              
—Sorry, I don't know. Oh, look, they are _________.