对放疗敏感的肿瘤().
A.骨肉瘤
B.尤文肉瘤
C.软骨肉瘤
D.淋巴瘤
E.脂肪瘤
参考答案:B, D
— Tim, you are leaving for Jiuzhaigou tomorrow.Why not pack your clothes and food up now?
— ________.[ ]
A. Good idea
B. Help yourself
C. Go ahead, please
D. Me, too
已知0<x<1,那么在x,,,x2中,最大的数是()。
A.x
B.
C.
D.x2