问题
问答题 简答题
如何用万用表检测试验电源电压是否为220V？
答案
参考答案：
先用交流500V档位检测，显示不超过250V后再换250V档检测。取下表笔后再换档。
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如何用万用表检测试验电源电压是否为220V？
参考答案：
先用交流500V档位检测，显示不超过250V后再换250V档检测。取下表笔后再换档。
| 根据文章内容完成框内短文。 Our town has a big zoo with a lot of animals in it. There are two old lions. They eat lots of meat every day. There are also two big elephants and a little one. They are very kind. They eat much grass every day. There are a lot of' monkeys in the zoo, too. Children like them and they like children too. They like children because they sometimes give them bread and bananas. They like bananas very much. In our zoo there are three black bears and four white ones. They stand on their back legs, hold up their arms and play with each other like small children .They love candy very much.
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