直流电治疗中，用于成人治疗的电流密度为（） A.0.05～0.1mA/cm2 B.0_爱下问搜题

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问题单项选择题

直流电治疗中，用于成人治疗的电流密度为（）

A.0.05～0.1mA/cm²

B.0.1～0.5mA/cm²

C.0.01～0.05mA/cm²

D.0.5～1mA/cm²

E.1～1.5mA/cm²

答案

参考答案：A

补全对话，情景问答

补全对话，情景问答。

A. So I'm often late for school.
B. Usually by bus.
C. I leave home at about 7:40.
D. Why not?
E. What time do you usually get up?

Teacher: How do you usually come to school?
Student:    1
Teacher:    2
Student: I usually get up at 6:30.
Teacher: Well. What time do you usually leave home?
Student:    3
Teacher: Why not come a little earlier?
Student: Sorry, I can't.
Teacher:    4
Student: Mother's ill in bed. So I have to look after her and
            give her medicine at the right time.     5
Teacher: I know. You're a good boy!
1._____2._____3._____4._____5.______

问答题论述题

试论中学生无意识记和有意识记的发展。