对放疗不敏感的肿瘤是（）
A.霍奇金瘤
B.精原细胞瘤
C.尤文肉瘤
D.乳腺癌
E.鼻咽癌
参考答案：C
Tom was born ____________ April lst, and I was born ____________ April, too.[ ]
A. on, in
B. in, on
C. in, in
D. on, on
X线所见成人关节间隙组成是（）
A.关节软骨
B.关节腔
C.关节液
D.关节软骨、关节腔和关节液
E.关节软骨、关节液
