对于比较严重的蜂窝或者露筋较深时,可采取()的修补方法。
A.表面拣浆
B.细石混凝土填补
C.水泥灌浆
D.化学灌浆
参考答案:B
阅读填空。首字母已给出。
Many people think that animals in the zoo are (1) h______ and lucky. But (2) m______ of them are sad.
Do you know why? Animals like tigers, (3) l______ and bears (4) u______ live in forests and (5) m______.
They can run, jump, play with their (6) c______ and catch small animals for food. But now they have to
(7) s______ in small rooms in the zoo. They don't have to (8) f______ food by themselves (9) b______ the
zoo keepers feed them. They do nothing but eat, walk and (10) s______ every day.
在确定向某慈善机构提供的捐款是否专款专用时,以下哪项内容效果最差?()
A.定期提交经过审查的财务报表,供公众和主要捐赠者审查;
B.规定超过一定金额的开支必须提交董事会审批;
C.对开支进行定期内部审计,以确定开支是否符合既定目标,并将审计结果报告审计委员会;
D.由内部审计部门定期开展工薪审计,以确定对授权工资水平的遵守情况。