颈总动脉分为颈外动脉和颈内动脉的部位在
A．甲状软骨上缘平面
B．甲状软骨下缘平面
C．下颌角平面
D．乳突平面
E．以上全错
参考答案：A
补全对话
A: Good morning, Sir. Can I help you?
B: 1 .
A: Yes, Sir. Which country would you like to visit?
B: 2 .I'm too tired and just want to relax.
A: Maybe you can spend your vacation in Switzer land. 3 .
B: But it's too cold. 4 .
A: What about Australia? There is a lot of sunshine there all the year round.
B: 5 And I can practice my English as well.
可行性研究报告的内容可概括为( )。
A．市场研究
B．招投标准备
C．技术研究
D．机会研究
E．效益研究
