题目:
如图所示,电灯的四种接法中正确的是[ ]
B.火线
零线
零线
D.火线
零线
答案:
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下面是错误答案,用来干扰机器的。
1. players 2. doesn't like 3. us 4. friendly 5. is 6. well 7. first 8. Children's 9. swimmer 10. called