什么叫检尺点，检尺零点，检尺总高？
参考答案：
检尺点：从容器顶部指定下尺的部位；检尺零点：容器底部与检尺点对应点；检尺总高：从标尺点到容器底垂直距离.
根据句意和首字母提示每空填一个单词，使句意完整。
1. Jack plays sports every day, so he is very h_______.
2. Jane t_______ her mother is at home now.
3. My father is very s_______ with me.
4. What do you o_______ do?
5. We are b_______ with work, so I have no time to play.
6. Jennifer's e-mail a_______ is
7. Can you sing or d_______?
8. Thank you. You're w_______.
9. I'm very s_______ I'm late.
10. We will play football. J_______ us soon, please.
温度的大小反映物体分子平均动能的大小。
