读我国沿北纬36度附近地形剖面图，回答下列下面小题．

用方框中所给的单词的适当形式填空，使短文正确、通顺。每词限用一次                                         

      Thailand's most celebrated festival is the Songkran Festival. It starts on April 13^th and____ for three days. Songkran is a Thai word which means "move" or change places" as it is the day whenthe sun changes its position. It is also____ as the "Water
Festival" because people believe that water will wash away the bad luck.
    The Thai people____ this festival with water . Everyone gets wet and since it is the____ season of the year, the custom is quite enjoyable. Songkran is a Public Spring Cleaning Day , supported by the local____ . Anything old or useless must be thrown away or it will____ the bad luck to the owner.
    During the festival, young people put scented (有香味的)water into the____ of elders and parents as a kind of respect. The elders in return____ the young people good luck. People also pour water over each____ 
    Thailand is almost completely an agricultural society and this has also been a perfect time to take a____ from hard work.

如图．已知A、B、C三点在⊙O上，点C在劣弧AB上，且∠AOB=130°，则∠ACB的度数为（　　）