一个微笑，帮老奶奶找到了家
One day, Tom saw an old lady at the bus stop. She looked worried.“What’s wrong?” Tom asked.“I can’t find my way home,” she said.“Don’t worry. I can help you,” Tom said with a smile.Tom walked with her and found her home. The old lady was very happy. “Thank you, Tom. You are a kind boy,” she said.Tom felt good. Helping others makes us happy.
1.1. Where did Tom see the old lady?
A In the park.
B At the bus stop.
C At school.
D At home.
解析：选B。B 细节理解题。原文第一句One day, Tom saw an old lady at the bus stop.说明汤姆在公交站台看到一位老奶奶。故选B。
2.2. Why was the old lady worried?
A She was tired.
B She was lost.
C She was late.
D She was hungry.
解析：选B。B 细节理解题。原文中老奶奶说I can’t find my way home.说明她是迷路了（lost），故选B。
3.3. How did the old lady feel at the end?
A Sad.
B Angry.
C Happy.
D Tired.
解析：选C。C 细节理解题。原文写道The old lady was very happy.说明老奶奶非常高兴。故选C。
4.4. What can we learn from the story?
A We should help others.
B We should walk to school.
C We should talk to strangers.
D We should stay at home.
解析：选A。A 细节理解题。原文最后一句点明主旨Helping others makes us happy.故事通过汤姆帮助老奶奶，传达“我们应该帮助他人”的道理。故选A。