对血清阴离子间隙（AG）描述，错误的是（） A.AG是指血清中所测阳离子总数与阴离子

                                                        Chinese Dragon Kites    
 Chinese Dragon kites are very   l  . They are   2 . People   3   them all over the world. Some dragon kites
are 4  . One person can  5  them.Othersarevery  6 .You 7   lots of people to help to fly them. They are
long. Don' t fly them near 8 0r    9   .

A..famous  B. love  C. houses  D. smallE. need     F.trees  G.big      H. fly  I．beautiful

1A  2．_  _____3．        4．      5         6.         7．         8．           9．  C