Which statement is true for the class java.util.ArrayList？（） [" The elements in the collection are ordered."," The collection is guaranteed to be immutable."," The elements in the collection are guaranteed to be unique."," The elements in the collection are accessed using a unique key."," The elements in the collections are guaranteed to be synchronized."]
当建筑物的地基有（）的土时，应经过勘察试验预测在地震时是否会出现液化现象。
税前利润由通常的营业收入与（）之差来决定。 ["营业费用","税率高低","办公费用","成本费用"]
用户分散而制造企业相对集中，自主创新以（）为主，消费品特别是耐用消费品制造大都是这种情况。 ["用户","制造企业","生产者","消费者"]
资本主义新闻自由的本质是（）。 ["创办媒体的自由","金钱和资本的自由","议程设置的自由","舆论监督的自由"]
什么是间接乳化法？
