AdognamedAceisbeingpraisedasaheroforlicking（舔）thefaceofasleeping，deaf13-year-oldIndianapolisboytowarnhimthatthehousewasonfire．IndianapolisFireDepartmentOfficerRitaReithsaidNickLambwashomealoneandsle

Question

A dog named Ace is being praised as a hero for licking （舔） the face of a sleeping，deaf 13-year-old Indianapolis boy to warn him that the house was on fire．Indianapolis Fire Department Officer Rita Reith said Nick Lamb was home alone and sleeping without his hearing aids （助听器） when the fire began Wednesday．
"My dog licked my face and woke me up，"Lamb said．"I was like，‘Stop it!What？You want to be fed？'I thought he wanted to be fed or go outside．"The dog didn't stop licking Lamb until the teen got up．That's when he realized the house was full of smoke．"I couldn't hear anything because I had my hearing aids off．My dog Ace smelled it，"Lamb said．"I just wanted to get out．"Without his shoes but with Ace by his side，he covered his nose and mouth with his T-shirt，and rushed out of the back door，catching one of his hearing aids along the way．He then called his mother and 911．
Lindsay Bernard，Lamb's mother，praised Ace for saving her son's life．"It's amazing，because if Ace hadn't been there，Lamb prob ably wouldn't have even woken up，"Bernard said．
Lamb，who was born deaf，told firemen that this was the first summer he was old enough to stay home alone and that he had returned from summer camp just three days earlier．
21．According to Paragraph 1，Nick Lamb___．
A．lives alone       
B．is a healthy boy
C．was bitten by his dog   
D．didn't know there was a fire
22．How did Nick Lamb survive the fire？___
A．Using his hearing aids．
B．With the help of firemen．
C．Under the guidance of Ace．
D．With the help of Lindsay Bernard．
23．Which of the following words can best describe Ace？___
A．Polite．B．Careful．C．Clever．D．Proud．
24．What was Lindsay Bernard's attitude towards the dog？___
A．Surprised．B．Worried．C．Hopeful．D．Thankful．

Answer 1

21．D，细节理解题，根据句子A dog named Ace is being praised as a hero for licking （舔） the face of a sleeping，deaf 13-year-old Indianapolis boy to warn him that the house was on fire可见，这只狗提醒男孩屋子着火了，可见男孩根本不知道屋子着火了，故答案为D．
22．C，推理判断题，根据句子Without his shoes but with Ace by his side，he covered his nose and mouth with his T-shirt，and rushed out of the back door，catching one of his hearing aids along the way．可见，Nick存活下来就是由于这只狗Ace的指引，才走出着火的房子，故答案为C．
23．C，推理判断题，短文主要讲了一只狗提醒没戴助听器睡着了的男孩屋子着火的事情，可见这只狗是聪明的，故答案为C．
24．D，根据句子Lindsay Bernard，Lamb's mother，praised Ace for saving her son's life可见，他母亲赞扬这只狗救了她的儿子，可见她是感激的，故答案为D．