Felty综合症引起的中性粒细胞减少的最可能机制是（）
A．生成减少
B．成熟障碍
C．免疫性破坏过多
D．非免疫性破坏过多
E．分布异常
参考答案：C
读一读，判断正(T)误(F)。
What is Santa doing?
Christmas is coming! Christmas is coming! Santa is ready to go!
He flies in the sky! He comes in the night!
He sees Christmas trees and lights!
In children's house, he gives the gifts to little girls and boys.
He brings toys, special gifts and beautiful Christmas songs.
He goes to the West.
He flies to the East.
" Ho! Ho! Ho! " The happy little old man!
( ) 1. Santa flies in the sky.
( ) 2. Santa comes in the day.
( ) 3. Santa can see Christmas trees and lights.
( ) 4. He brings toys to little boys and girls.
( ) 5. Santa is an old man.
35kV电抗器绕组直流电阻，三相绕组间的差别不应大于三相平值的（）。
A.0.02
B.0.03
C.0.04
D.0.05
