On Sunday, people in the neighborhood came together. They celebrated (庆祝) the 100th birthday of Dr. Robert Moore.

Alison is Robert’s daughter. Days ago, she put out words on the Internet. She asked people to dress up their dogs and bring them to her house. She wanted people and dogs to help celebrate her dad’s birthday.

She was hoping for about 20 dogs showing up. But in the end, it surprised her. More than 200 dogs and their owners came by. They came to wish her dad a happy birthday. There were many dogs. They walked all the way down the street.

Robert and his family were very moved by that. It was so lovely.

1.Why did people come together?

A To have a party.

B To celebrate a birthday.

C To have a dog race.

D To exercise.

解析：选B。B细节理解题。根据第一段第二句“They celebrated (庆祝) the 100th birthday of Dr. Robert Moore.”可知，人们聚在一起，为罗伯特庆祝100岁生日。故选B。

2.Who asked for help from others through the Internet?

A Robert.

B Robert’s son.

C Alison.

D Alison’s daughter.

解析：选C。C细节理解题。根据第二段第一、二句“Alison is Robert’s daughter. Days ago, she put out words on the Internet.”可知，是罗伯特的女儿艾莉森在网上发布消息求助他人。故选C。

3.How did Alison feel about the result (结果)?

A Surprised.

B Worried.

C Sad.

D Nervous.

解析：选A。A细节理解题。根据第三段第二句“But in the end, it surprised her.”可知，结果使艾莉森很惊讶。故选A。

4.How many dogs came?

A About 20.

B Less than 200.

C Over 200.

D About 100.

解析：选C。C细节理解题。根据第三段的“More than 200 dogs and their owners came by.”可知超过200条狗出现。故选C。

5.What does the writer think of the story?

A It’s scary.

B It’s lovely.

C It’s terrible.

D It’s interesting.

解析：选B。B细节理解题。根据最后一段最后一句“It was so lovely.”可知作者认为这个故事很有爱。故选B。