岩巷施工技术有哪些？
参考答案：
（1）光爆锚喷技术；
（2）“三小”光爆锚喷技术；“三小”指小直径钎头，小直径锚杆和小直径炸药卷。
Mr Wang _____ dinner when we got to his house. [ ]
A. had boiled
B. had made
C. had kept
目前我国最易引起心房颤动的疾病是（）
A.风湿性心脏病、二尖瓣狭窄
B.甲状腺功能减退症
C.急性心肌梗死
D.高血压心脏病
E.感染性心内膜炎
