社会公众认为规范性文件违法不当的正当救济渠道是（）。
A、行政诉讼
B、进京 * *
C、向有权机关提出审查的建议
D、申诉控告
参考答案：C
Many questions________ in today's maths class, and most of them are very difficult. [ ]
A. came up
B. raised
C. rose
D. was come up
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