一美国公民在中国境内居留期间，未持有效旅行证件前往不对外国人开放的地区旅行，被当地县公安机关处以7天拘留处罚。该人对此不服，前往当地一家律师事务所进行咨询。以下咨询意见正确的是()。
A. 可在接到处罚通知之日起15日内向上一级公安机关提出申诉，由上一级公安机关作出最后的裁决
B. 可在接到处罚通知之日起5日内，向上一级公安机关提出自诉，由上一级公安机关作出裁决；若对此裁决仍不服，可自收到裁决之日起15日内向人民法院提起行政诉讼
C. 可直接向当地人民法院提起行政诉讼
D. 必须在接到处罚通知之日起15日内先向上一级公安机关申请复议，对复议决定仍不服的，才可以向人民法院提起行政诉讼
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According to the last paragraph, we may infer that
A. undergraduates will continue to suffer from mental-health problems in silence.
B. less and less students will go to university to avoid confronting mental-health problems.
C. more and more students will go to university to find ways to make universities less tough.
D. undergraduates are supposed to find ways to let mental suffering out with counselors' help.
According to the Keeper of Archaeology, which of the following is true？
A. He had expected more of the fort to be revealed.
B. He had a full understanding of the importance of work.
C. The prisoners were too cautious at the beginning.
D. Only prison labor could produce such good results.
平行结转分步法的主要缺点是需要进行成本还原。 ()
A. 正确
B. 错误
【C16】
A. constitute
B. illuminate
C. penetrate
D. dissolve
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