
血行转移的特点()
A.肿瘤细胞由原发部位直接侵入毗邻组织
B.多数为邻近区域淋巴结转移,少数不经区域淋巴结而转移至第二、第三站淋巴结
C.由血液循环将原发病灶的癌细胞带到肺、肝、骨骼及脑部的血管床,造成转移
D.肿瘤细胞脱落后在体腔或空腔器官的转移
E.癌细胞呈浸润性生长,沿组织间隙扩展


A.肿瘤细胞由原发部位直接侵入毗邻组织
B.多数为邻近区域淋巴结转移,少数不经区域淋巴结而转移至第二、第三站淋巴结
C.由血液循环将原发病灶的癌细胞带到肺、肝、骨骼及脑部的血管床,造成转移
D.肿瘤细胞脱落后在体腔或空腔器官的转移
E.癌细胞呈浸润性生长,沿组织间隙扩展
选词(词组)填空,请填写单词或词组前面的大写字母序号。填写单词或词组本身者不得分。每个单词或词组只能用一次。
A. interaction | F. efficiently |
B. gradually | G. humble |
C. innocent | H. impose |
D. delighted in | I. creatively |
E. surroundings | J. catch his breath |
1.Parents should not ________ their own moral values on their children.
2. Alice has such an ________ face that I find it hard to believe anything bad of her.
3. One of the problems in our classrooms is that there isn’t enough _________ between teacher and student.
4. Generations of adults and children have __________ the story of Cinderella.
5.It took Emily a few months to get used to her new __________in the south.
6. In a day when few noble persons ever spoke to those of _________ origins except to give an order, Jefferson went out of his way to talk with gardeners, servants, and waiters.