总部位于广州的某大型集团，引进德国生产技术，在吉林延边州的长白山区原始森林中建立矿泉水加工厂，目前其瓶装矿泉水已出口到亚洲、欧洲、北美、南美洲、大洋洲等地区的28个国家，形成“一处水源供全球”的产销格局。总部位于广州的某大型集团，引进德国生产技术，在吉林延边州的长白山区原始森林中建立矿泉水加工厂，目前其瓶装矿泉水已出口到亚洲、欧洲、北美、南美洲、大洋洲等地区的28个国家，形成“一处水源供全球”的产销格局。为了控制该瓶装水的成本，目前应主要改善（    ）

B

    I'm at Billy's birthday party. There are a lot of friends in his house. Some stand beside the table and enjoy the snacks and drinks. There is some food on the table. I like the chocolate and the fruit very much. Billy sits in the sofa and chats with some friends there. He wears a red T-shirt and a pair of blue jeans. He looks so cool today. Wow! The cake is really big. There are some candles on it. Billy's friends begin to sing 'Happy Birthday' to Billy. Billy is very excited. He blows out the candles (吹蜡烛) and cuts the cake. Everyone has fun at the party.

I woke up with______ bad headache, yet by______ evening the pain had gone.

某实验室的废液中，可能含有CuCl₂、NaCl、Na₂SO₄、Na₂CO₃、Ba（NO₃）₂中的一种或多种．某同学取该废液观察为无色溶液，向其中滴加BaCl₂溶液产生白色沉淀，继续滴加稀硝酸无明显现象．根据以上实验现象分析，下列推断正确的是（　　）

— _____ inventor. The inventor is very great.