问题
单项选择题
使用夹管器带气接线时，应使用与（）适合的压扁截气工具，并应调校正确的位置。
A、管道大小
B、管道直径
C、管道大小及其标准尺寸比SDR
D、管道长度
答案
参考答案：C
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使用夹管器带气接线时，应使用与（）适合的压扁截气工具，并应调校正确的位置。
A、管道大小
B、管道直径
C、管道大小及其标准尺寸比SDR
D、管道长度
参考答案：C
| 补全对话有（两项多余选项）。 | |
| Jim and Kitty are walking to the Center Park when they see a young man lying in the street. Jim : Kitty, look, there's a young man lying in the street. Kitty: 1 And he couldn't stand Lip. Jim: Let's go and have a look. Jim: He isn't injured. He seems to be asleep. Kitty: 2 _ He might be ill. Jim : Let me feel him. Kitty: 3 Jim: He's having a high fever and his face is as white as a sheet. _ 4 Kitty : Let's call 120. 5 | |
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