问题
问答题 简答题
在关闭防护墙时，必须按警示铃吗？为什么？
答案
参考答案：
是。防止人员进入高压区内发生事故。
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在关闭防护墙时，必须按警示铃吗？为什么？
参考答案：
是。防止人员进入高压区内发生事故。
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| Today is March 7th, and tomorrow is __1__. Dally wants __2__ her mother something. Dally __3__ 10 dollars. She is thinking about __4__. She thinks and thinks. Then she has an __5__. "I can buy a card __6__ my dear mother." Dallky goes to the supermarket and buys a beautiful card. She __7__ some words on it. She show it to her mother and says, "Here is a card for you, mum." Her mother is __8__ happy. " __9__, Dally." She says. Dally is __10__, too. | ||||
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