患者青年女性,颈部弥漫肿大,边界不清,皮色如常,能随吞咽上下移动。
上病例诊断为:()
A.气瘿
B.肉瘿
C.筋瘿
D.瘿痈
E.石瘿
参考答案:A
I can't play with you. I have . homework to do.
A.much too
B.too much
C.too many
D.much more
正常红细胞的平均寿命为()
A.50天
B.70天
C.90天
D.110天
E.130天