单词拼写（共10小题，每题1分，共10分）
1.  Laughter has an effect on most of the major body systems and functions. These effects have been _______ (认可) by scientists.
2.  I wanted to _____(提取) 40 dollars from the bank account, but I was so forgetful that I couldn’t remember how it was spelled.
The paintings of the impressionists were not as _____ (详细的) as those of earlier painters.
If a person had an unusual physical ______ (特征), it became part of his name.
Some poems tell a story while others try to c     (表达) certain emotions.
One can only have deep _______(同情) for these once-living creatures.
But as well as having meaning from the characters, Chinese names can also have  s   (重要性) according to their sounds..
When the volcano erupted, the earth began to t      (颤抖).
Children who can see and hear learn language easily but for Helen, it was a _____(逐渐的) and sometimes painful process.
Heavy snow last winter caused long _____(延误) at the airport.