问题
单项选择题
计算机联锁连接各系统的光纤弯曲半径（），空余光缆接头有防尘、防光措施。
A.＜5cm
B.＜10cm
C.＞5cm
D.＞10cm
答案
参考答案：C
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计算机联锁连接各系统的光纤弯曲半径（），空余光缆接头有防尘、防光措施。
A.＜5cm
B.＜10cm
C.＞5cm
D.＞10cm
参考答案：C
| 补全对话从以下方框内选出适当的句子，完成对话。 | |
| 单词提示: driver（司机）, singer（歌手）,wife（妻子） A: I'm Jenny Jones. 1._____ B: That sounds like a great job. I'm Mark White. A: 2._____ B: I'm a taxi driver, but I want to be a singer. A: 3._____ B: Because I love singing so much and I can sing really well. You know my wife is a singer, too. A: Oh, really? Is she here? B: 4._____ I come here with my friends, Kevin and Bill. A: What do they do? B: 5._____ | |
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