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问题 单项选择题 A1型题

甲状腺次全切除术后，如伤口红肿，该切口属于（）

A.Ⅰ/甲

B.Ⅱ/甲

C.Ⅰ/乙

D.Ⅱ/乙

E.Ⅲ/甲

答案

参考答案：C

补全对话，情景问答
补全对话：从方框中选择适当的句子完成对话。（方框中有两项为多余选项）
A. When were you born?
B. Who was your first teacher?
C. Where were you born?
D. Was she strict with you?
E. What was your first school?
F. What were you like?
G. What do you think of her?
A: Good morning, Li Ming!
B: Good morning, Wang Hai!
A:   1  
B: I was born in 1992.
A:   2  
B: It was Guangming Primary School.
A:   3 
B: My first teacher was Mrs. Liu.
A:   4  
B: Yes, she was very strict, but she was very nice.
A:   5  
B: I was very well-behaved.
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单项选择题

下列哪些项最恰当地描述了传输层的主要功能？（）

A.使用TCP协议对数据流进行分段或重组

B.建立、维持、管理应用程序间的会话

C.为用户程序提供网络服务

D.利用MAC地址提供通过传输介质的物理传输
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