问题
问答题 简答题
划线时的注意事项有哪些？
答案
参考答案：划线平板要保持清洁，严禁敲打，不得拉伤平板，重工件必须顶放平稳，周围不得站有无关人员。
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划线时的注意事项有哪些？
参考答案：划线平板要保持清洁，严禁敲打，不得拉伤平板，重工件必须顶放平稳，周围不得站有无关人员。
| 补全对话。 | |
| P : Mum,we had a sports meeting yesterday. S: Oh, really? Is it exciting? P: Of course, it is __1__ S: Who won the girls' 400-metre race? P : Liu Ying , a girl from Class Four. S : __2___ P: Yes. At first Li Fang ran fastest. But she fell off. S : What a pity! ___3____ P : Ann jumped highest. She did quite well. S : ____4_____ P : Yes, she did. ____5__
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