乳腺癌发现有腰椎转移灶,其转移途径为()。
A.体循环静脉系统
B.淋巴道进入静脉
C.门静脉系统
D.椎旁静脉系统
E.癌栓子经胸导管逆流
参考答案:D
---Is there anything wrong, Bob? You look sad.
---Oh, nothing much.In fact, I of my friends back home.
A.have just thought
B.was just thinking
C.would just think
D.will just be thinking
教案中的教学目标是指教学应达到的预期效果。