注入式堵漏器材主要用于容器裂缝等部位的泄漏。
参考答案：错
根据句意和首字母提示补全单词。
1. My father is a _____.
2. Is Tom’s mother an _____?
3. The old woman in the _____ is my grandma.
4. There are eight _____ in Lucy's family.
5. Mr. Lin works in a computer _____.
6. John often take _____ in the park. This is one of them.
7. We call the son and daughter of father's sister _____.
8. We call father's sister _____.
9. _____ is father's or mother's mother.
10. Grandparents call us _____.
流行性出血热的基本病变是（）
A.全身小动脉坏死
B.血管和淋巴管内皮细胞损害及急性出血
C.微血管的内皮细胞损伤
D.小血管周围炎性细胞浸润
E.小血管（包括小动脉、小静脉和毛细血管）内皮细胞肿胀、变性和坏死
a _____.
all the son and daughter of father's sister _____.