右心导管检查可能的结果A．肺动脉血氧含量高于右心室B．右心房血

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问题单项选择题

右心导管检查可能的结果

A．肺动脉血氧含量高于右心室
B．右心房血氧含量高于上下腔静脉平均血氧含量
C．右心室血氧含量高于右心房
D．右挠动脉血氧含量低
E．股动脉血氧含量低

答案

参考答案：C

单项选择题

矫治前牙深覆盖（）

A.毛氏Ⅳ1分类错

B.毛氏Ⅱ4分类错

C.毛氏Ⅱ1分类错

D.毛氏Ⅲ2分类错

E.毛氏Ⅰ1分类错

补全对话，情景问答

情景对话。

A: Excuse me! May I ask you some questions?

B: 1______

A: What do you usually do on Sunday mornings?

B: 2______

A: Football? Are you good at football?

B: 3______ I like it very much.

A: Well, what do you often do on Sunday afternoons?

B: 4______

A: Homework? Are you good at English or maths?

B: Maths. But I also like learning English.

A: Why?

B: 5______

A: What about Sunday evenings?

B: I often watch TV.

A: Thank you.