根据句意和首字母填写单词。

1. At that time people r_____ that the story was a hoax.

2. A reporter a_____ that there would be no more spaghetti.

3. The man was so c_____ that hundreds of people believed the story.

4. Next year they will get m_____.

5. The spaghetti f_____ in Italy stopped producing spaghetti.

除灰系统中的冲灰水量，决定灰水混合物的浓度和除灰管道内灰水混合物的流速。