TNM分期中,T3方代表()
A.肿瘤侵及黏膜下
B.肿瘤侵及黏膜肌层
C.肿瘤穿透黏膜肌层而至浆膜下
D.肿瘤穿透脏层腹膜
E.区域淋巴结被浸润
参考答案:C
森林能增加大气湿度,增加降雨量,这说明( )
A.环境影响生物
B.生物适应环境
C.生物影响环境
D.生物和环境能合作
Don't talk loudly at the meeting, If you , you will have to leave. [ ]
A. are
B. do
C. did
D. can