问题
问答题 简答题
什么叫基础标准？
答案
参考答案：
基础标准是指在一定范围内作为其他标准的基础并普遍使用，具有广泛指导意义的共性标准。它是各方面共同遵守的准则，是制定产品标准和其他标准的依据。
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什么叫基础标准？
参考答案：
基础标准是指在一定范围内作为其他标准的基础并普遍使用，具有广泛指导意义的共性标准。它是各方面共同遵守的准则，是制定产品标准和其他标准的依据。
| 阅读短文，从下列方框中，选择正确的单词并用其适当的形式填空。 | |
students sleep less than nine _____ every night because they have much homework _____. Some homework is given by their teachers, and some by their parents. _____, some students don't know how to save time. They are not careful _____ while they do their homework, so it _____ them a lot of time. Some students spend too much time watching TV programmes or playing computer games. They stay up very late. Some students have to get up early every morning on weekdays to get to school on time by bus or bike. It can be a long way from home to school. |