男,20岁,膝部酸痛、肿胀,结合图像,最可能的诊断是()
A.股骨非骨化性纤维瘤
B.股骨骨样骨瘤
C.股骨骨巨细胞瘤
D.纤维性骨皮质缺损
E.以上都不正确
参考答案:A
短文填空(首字母已经给出)。
If I had a lot of m 1 ,I would buy a big house to l_2_in.I would buy a big
TV,a beautiful desk and some other things to put in the h 3 .I would have a
library for all my b 4 ,a music room with a big CD player.I would be very
happy in my new house.Although I will spend a lot of time in my new house,I
would also like to go traveling.I would like to see all the i 5 animals and birds.It would be very exciting.And I would also help others.I would like to give some
of my money to my hometown to make it more beautiful.
1.________2.________3.________4.________5.________
简述科层制的含义