为什么工作面要控制顶板不出现台阶下沉？
参考答案：当工作面顶板出现台阶下沉，会导致工作面支护整体失稳，在其他因素诱发下可能造成推垮型或压垮型冒顶事故。
督察机构在督察工作中发现公安机关的人民警察涉嫌犯罪的，可以当场依法处理。( )
根据句意填入所缺单词。
1. My mother's mother is my _____.
2. My father's brother is my _____
3. This is my father and this is my mother. They are my_____.
4. Linda is my cousin. Her mother is my _____.
5. Look at the _____ of his family.
6. _____ you for your help.
7. I am a boy. So I am my father's_____.
8. Bob is my uncle. His father is my_____.
9. My sister is my mother's_____.
10. My mother's sister is my_____.
