问题
单项选择题
在进行红外线治疗的时候，辐射器与治疗部位的垂直距离为
A．10～30cm
B．30～60cm
C．0～30cm
D．60～90cm
E．90～120cm
答案
参考答案：B
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在进行红外线治疗的时候，辐射器与治疗部位的垂直距离为
A．10～30cm
B．30～60cm
C．0～30cm
D．60～90cm
E．90～120cm
参考答案：B
| 会话配对，把序号填在题前括号内。 |
| （ ）1. How many birds can you see? A. She always goes to the zoo. （ ）2. Here' s a chair for you. B. Yes, I' d love to. （ ）3. Did you milk the cow? C. Nine. （ ）4. Where are you going? D. They're drawing pictures. （ ）5. Are you as tall as him? E. No, I didn't. （ ）6. What are they doing? F. Thank you. （ ）7. Would you like to come? G. No, I am taller than him. （ ）8. How does she spend her weekends? H. I' m going to the playground. |