单词拼写（共10小题，每题1分，共10分）
小题1:1.  Laughter has an effect on most of the major body systems and functions. These effects have been _______ (认可) by scientists.
小题2:2.  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.
小题3:The paintings of the impressionists were not as _____ (详细的) as those of earlier painters.
小题4:If a person had an unusual physical ______ (特征), it became part of his name.
小题5:Some poems tell a story while others try to c     (表达) certain emotions.
小题6:One can only have deep _______(同情) for these once-living creatures.
小题7:But as well as having meaning from the characters, Chinese names can also have  s   (重要性) according to their sounds..
小题8:When the volcano erupted, the earth began to t      (颤抖).
小题9:Children who can see and hear learn language easily but for Helen, it was a _____(逐渐的) and sometimes painful process.
小题10:Heavy snow last winter caused long _____(延误) at the airport.