4．Peter the polar bear （北極熊） and his mother walk on the ice．The wind comes strongly．
"Mum，what am I？"Peter asks．
"You're a polar bear，son，"says his mother．
"Are you sure？"Peter asks．
"Of course I'm sure，"says his mother．"Look at you．You're all white and we live at the North Pole．"
"But are you sure I'm a polar bear？"
"Yes，I'm sure．I can show you．"She gets a big fish in the river．"Here is your dinner．"
They eat their fish and walk in the strong wind．
Then Peter asks the same question again．
His mother stops．"Look，Peter，"she says．"I start to get very angry．You are a polar bear．Why do you ask？''
"Because，"Peter says，"if I'm a polar bear，why do I feel very cold？"
44．Which of the following is true？B
A．They come out to catch fish．
B．It's a windy and cold day．
C．They are going home on the ice．
D．The mother bear teaches her son how to fish．
45．Why is the mother bear angry？D
A．Because Peter likes asking questions．
B．Because Peter is feeling cold．
C．Because Peter doesn't think he is a polar bear．
D．Because Peter asks the same question again and again．
46．Why does the writer write the reading？C
A．To tell us where polar bears live．
B．To show us how to walk on the ice．
C．To tell us a story．
D．To tell us not to get angry easily．
47．What's the best title for the reading？D
A．Peter's dinner．
B．Mum．do you feel cold？
C．Peter's mother．
D．Mum．what am I？
