检测酵母菌细胞呼吸作用的产物，下列描述正确的是（ ）
A：如果产生的气体使澄清的石灰水变浑浊，则酵母菌只进行有氧呼吸
B：如果产生的气体使溴麝香草酚蓝溶液变黄色，则酵母菌只进行无氧呼吸
C：无论进行有氧呼吸还是无氧呼吸，酵母菌都能产生CO2
D：酵母菌发酵时不产生气体，但其发酵液能使重铬酸钾变灰绿色
澳大利亚特有生物众多，其原因叙述错误的是
下面是小明对内能知识的小结，其中不正确的有（ ）
根据短文内容判断正误。
Tom has a strong and faithful dog, Bruce. The dog likes playing with Tom. Sometimes he also follows Tom's father to work.One morning when Tom's father worked in the field, he took off his coat and put it on the ground under a big tree. He turned to the dog and said,“Watch my coat, Bruce!” Bruce sat down on the coat. Later Tom's father remembered he had to buy some food. So he hurried to the shop. After shopping, he went home directly and forgot all about his coat and the dog. Late in the evening Tom looked for his dog everywhere in the house, but he couldn't find him. At this time Tom's father suddenly remembered his coat and the dog. He went back to the tree at once. He found that Bruce was still sitting on the coat!
