使式子$\sqrt{m-3}$有意义的最小整数m是____ 

读我市某区域等高线地形图（图六），完成下列问题。

公元前5世纪，希腊出现了悲剧作家，他们不约而同以传奇故事、人与诸神的关系，以及命运与家庭对人生的影响等为主题，诉诸人的情感，表现人的优点；到公元前4世纪，悲剧发展到成熟阶段后喜剧出现，喜剧作品常讽刺雅典官员，或取笑当时的一些思想家，诉诸人的理智，暴露人的弱点。这反映出古希腊（    ）

   “You are my best friend.” It’s the nicest thing you can 1to someone. It’s also the nicest thing you can 2 someone.
Good friendships begin in middle school. It’s the 3you begin to develop your own personality. Your parents aren’t around so you 4 lots of time every day sharing your life with your classmates. You talk with them, you work with them and you become friends with them. But 5 them will become your “best” friend.
   Best friends are the people who like you and 6 you the most. They are the 7 who are easy to work with and easy to have fun with.
   Sometimes it‘s 8 to find a best friend. And sometimes you can 9 a little lonely. But just because you don’t have best friend now, it doesn’t mean you 10one in the future. Best friends seem to find each other as if by magic. And when you find your best friend, the magic will last forever.