单词拼写（每小题1分，共10分）
That lovely cottage by the seaside has been in the        （拥有）of their family for  more than eighty years.                
July 13,2001 saw a very bright night in Beijing that will never．             （交谈）from memory.
He give us an      （描述）of what happened.  
He is leading an       （独立的）life. He lives on his own.     
There office is on the            （第九）floor.
        （相比较）with the service industry, foreign trade is more important.
Have you h ad any          （冒险的）experience? 
Your advice at present is      （有价值的）to me.    
On      （平均）,people who don’t smoke are healthier than people who do.
Young people usually have more   （能量）than older people.