Peter and Jenny were walking home from school along the street．Suddenly they heard a loud noise.

"Come on! That sounds like an accident （事故） . Let's see what has happened．"

     They ran to where the noise come from and saw a small car knock into the side of a truck. The accident happened in a quiet street with only four houses in it. Peter and Jenny were the first ones to reach the scene. No other people came. They found that both the car driver and the track driver were hurt.

"Peter," said Jenny, "run back down the street to Mrs. Jones' house. Let her call the police and the ambulance （救護車） . Hurry, Peter. I'll stay here."

     Peter ran as fast as he could. There was nothing Jenny could do but（除了） wait. She knew that when one was hurt in an accident, he or she shouldn't be moved．

     It was not long before the police car and the ambulance arrived． The policemen got the car door open and they carried the man out. Then they got the truck driver oat. The men weren't seriously hurt. But they were both taken to the hospital. The policemen thanked Peter and Jenny; "'You were very good children to act so quickly when you saw the accident. Thank you for all your help."

（   ）1．The accident happened_________

A．in a quiet street on a school day               B．in a busy street on a school day

C．in a quiet street on Sunday                   D．in a busy street one Sunday

（   ）2．______ called the police.

A．Jenny              B．The drivers       C．Mrs. Jones         D．Peter

（   ）3．Jenny did nothing before the police arrived because ______

      A．she was too frightened （害怕） to do anything

      B．she was alone after Peter left

     C．she wanted to protect （保護） the scene

     D．she knew she shouldn't move the two drivers

（   ）4．Why did the policemen thank Peter and Jenny?

A．Because they acted quickly after they saw the accident.

      B．Because they were the first ones to reach the scene.

      C．Because they helped to take the drive to the hospital.

      D．Because they helped the car driver get out of the car.