黄水疮不具有：
A．水痘B．传染性软疣C．扁平疣D．天疱疮E．带状疱疹
参考答案：B
On Monday, a certain animal shelter housed 55 eats and dogs. By Friday, exactly of the eats and of the dogs had been adopted; no new cats or dogs were brought to the shelter during this period. What is the greatest possible number of pets that could have been adopted from the animal shelter between Monday and Friday ？（）
A.11
B.12
C.13
D.14
E.20
在家庭生活中，如果把鸡蛋和肉类看作是替代商品。那么，当肉类价格大幅上涨后，所产生的影响是（ ）
①消费者将减少对肉类的需求 ②消费者将增加对肉类的需求
③消费者将增加对鸡蛋的需求 ④消费者将减少对鸡蛋的需求
A ①③ B ②③ C ①④ D ②④
of the eats and 
of the dogs had been adopted; no new cats or dogs were brought to the shelter during this period. What is the greatest possible number of pets that could have been adopted from the animal shelter between Monday and Friday ？（）