子宫颈癌主要播散的方式（）
A．淋巴转移和种植
B．血行转移和淋巴转移
C．直接蔓延和种植
D．直接蔓延和淋巴转移
E．血行转移
参考答案：E
Never before _____seen anybody who can play tennis as well as Robert.
A．had she
B．she had
C．has she
D．she has
抗体是由四条链组成的蛋白质。
