洪水期间,对不宜采取开挖回填、横墙隔断法处理的裂缝,可采用()处理。
A.压力灌浆
B.劈裂灌浆
C.盖堵法
D.高压灌浆
参考答案:C
He must be helping the old man to water the flowers, ________?[ ]
A. is he
B. isn't he
C. must he
D. mustn't he
在“国中治穰过于众事”中,“穰”之义为()
A.麦秸
B.稻秆
C.通"襄"
D.通"禳",谓祛邪除恶的祭祀活动