It is widely used for【C11】______purposes as
A. such
B. all
C. many
D. those
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Besides【C9】______the indefinite needs of its native speakers
A. providing
B. serving
C. supposing
D. leaving
水利工程一般质量事故由()组织调查进行调查,调查结果报项目主管部门核备。
A. 项目法人
B. 质量监督机构
C. 水行政主管部门
D. 监理单位