不是病毒感染对宿主细胞的直接作用的是（）
A.杀细胞感染
B.细胞融合
C.整合感染
D.形成包涵体
E.免疫病理损伤
参考答案：E
Not only do the two brothers look _______ but also they walk,talk and think____. Sometimes, it is
hard to tell them apart. [ ]
A. like;like
B. like;likely
C. alike;alike
D. like;alike
对放射线不敏感的肿瘤是
A．睾丸癌
B．肺癌
C．乳癌
D．鼻咽癌
E．骨肉瘤
