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减速地点标的设置是如何规定的？

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参考答案：

设在需要减速地点的两端各20m处。正面表示列车应按规定限速通过地段的始点，背面表示列车应按规定限速通过地段的终点。

完形填空

用以下这些单词(celebrated, show , jokes ,broke ,honest, attach, form , humorous , performances ,based)填空 ，使文章合理通顺，每空一词。

Have you ever wanted to be part of a band as a famous singer or musician? To be 小题1:    , a lot of people 小题2:     great importance to becoming rich and famous. Most musicians often meet and 小题3:     a band because they like to write and play their own music. They may give 小题4:      in pubs or clubs, for which  they are paid in cash. However, there was one band that started in a different way. It was called the Monkees and began as a TV 小题5:___. The musicians were to play 小题6:       on each other as well as play music, most of which was 小题7:      loosely on “The Beatles”. And the Monkees’ performances were 小题8:      enough to be copied by other groups. After a year or so, they started to play and sing their own songs like a real band. Though the band 小题9:     up in about 1970, they reunited in the mid-1980s. They produced a new record in 1996, with which they 小题10:      their former time as a real band.
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问答题 简答题

新古典宏观经济学的政策无效性命题建立在哪些关键性假说基础之上？
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