阅读短文，选择正确答案。
6 － 6 = ?
      Peter is a school (学校) boy. He is only six years old.
      One day, his teacher asks (问), " Peter, What is six minus (减) six? "
      " Sorry (对不起), sir, I don't know (知道)."
      " Listen. Peter, there are six coins (硬币) in your bag, but there is a hole (洞) in your bag, too. All the coins
fall out (掉出来). Now what is left (剩下的) in your bag? " the teacher asks.
      " The poor (破旧的) hole," answers (回答) Peter.
1. Peter is ____________ years old.
[     ]
A. five   
B. six   
C. seven
2. All the coins fall out because (因为) ____________.
[     ]
A. someone (某人) takes them away (拿走)
B. the bag has a hole
C. Peter uses (使用) the coins
3. Does Peter know what six minus six is?
[     ]
A. Yes, he does.
B. No, he doesn't.
C. We don't know.
4. Is there a hole in Peter's bag?
[     ]
A. Yes, there is.
B. No, there isn't.
C. Yes, it is.

参考答案：
1. B  2. B  3. B  4. B

阅读短文，选择正确答案。
6 － 6 = ?
      Peter is a school (学校) boy. He is only six years old.
      One day, his teacher asks (问), " Peter, What is six minus (减) six? "
      " Sorry (对不起), sir, I don't know (知道)."
      " Listen. Peter, there are six coins (硬币) in your bag, but there is a hole (洞) in your bag, too. All the coins
fall out (掉出来). Now what is left (剩下的) in your bag? " the teacher asks.
      " The poor (破旧的) hole," answers (回答) Peter.
1. Peter is ____________ years old.
[     ]
A. five   
B. six   
C. seven
2. All the coins fall out because (因为) ____________.
[     ]
A. someone (某人) takes them away (拿走)
B. the bag has a hole
C. Peter uses (使用) the coins
3. Does Peter know what six minus six is?
[     ]
A. Yes, he does.
B. No, he doesn't.
C. We don't know.
4. Is there a hole in Peter's bag?
[     ]
A. Yes, there is.
B. No, there isn't.
C. Yes, it is.

参考答案：
1. B  2. B  3. B  4. B