水乳型丙烯酸酯防水涂料，具有以水为分散介质，无毒、不燃、无环境污染。( )
参考答案：对
根据句意填空
1. she’s my s______Mary.
2. This is a p______of my family.
3. I l______my mother very much.
4. She is my pen f______ Emma.
5. My father’s brother is my u_____.
6. My mother’s sister is my a______.
7. T______ are his brothers.
8. Thank you very m______.
9. S_____is my sister ,Jill.
10. —Is Lucy your d______?
— Yes ,she is .
起重机整机工作级别符号为：（）
A、S
B、A
C、Gn
