问题
单项选择题
单回500千伏电力架空线路走廊宽度控制指标为（）
A．30～45 米
B．45～60 米
C．60～75 米
D．75～90 米
答案
参考答案：C
解析：
市区35～500kV 高压(单杆单回水平排列或单杆多回垂直排列)架空电力线路规划走廊宽度 如下：
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单回500千伏电力架空线路走廊宽度控制指标为（）
A．30～45 米
B．45～60 米
C．60～75 米
D．75～90 米
参考答案：C
解析：
市区35～500kV 高压(单杆单回水平排列或单杆多回垂直排列)架空电力线路规划走廊宽度 如下：
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| Nowadays we can see more and more electric bikes in the street. Electric bikes are easy to 1 . They run fast and make no pollution. So they become very 2 in many big cities in China. But the electric bikes also 3 more traffic accidents. So China plans to make a new rule 4 the electric bike riders. If an electric bike is 5 than 40 kilos and can go faster than 20 kilometers an hour, its rider must get a 6 . It means riders have to pass driving tests 7 they ride their electric bikes on the road. People have different ideas about the plan. 8 welcome the plan because they think it will make the street much safer. But some are not 9 the new rules at all. One rider said, "I don't want to get a license or anything. That's too much 10 ." What's your idea? | |||
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