Twenty-one students make a great painting (绘画). It is a copy (临摹) of the famous painting “A Thousand Miles of Rivers and Mountains”(千里江山图) by Wang Ximeng. The painting is on the wall of their art room. It is 3.5 meters high and 11 meters long. It takes them 129 days to finish it.  

The students are from a middle school in Changchun. Their teacher Duan Yingzi helps them with it. Ms Duan thinks it’s good to copy the famous painting.

1.How many students make the painting?

A 11.

B 19.

C 21.

D 31.

解析：选C。C 细节理解题。根据第一段第一句“Twenty-one students make a great painting”可知，21名学生共同绘画。故选C。

2.Where do the student paint?

A On the wall.

B On the window.

C On the floor.

D On the blackboard.

解析：选A。A细节理解题。根据第一段第三句“The painting is on the wall of their art room.”可知，这些学生在墙上作画。故选A。

3.How long is the painting?

A 3.5 meters.

B 11 meters.

C 14.5 meters.

D 129 meters.

解析：选B。B细节理解题。根据第一段倒数第二句“It is 3.5 meters high and 11 meters long.”可知，这幅画作3.5米高，11米长。故选B。

4.Which province (省份) are the students from?

A Heilongjiang.

B Liaoning.

C Hebei.

D Jilin.

解析：选D。D细节理解题。根据第二段第一句“The students are from a middle school in Changchun.”这些学生来自长春，长春属于吉林省。故选D。

5.Ms Duan may teach the students _________.

A art

B maths

C English

D science

解析：选A。A 推理判断题。根据第二段第二句“Their teacher Duan Yingzi helps them with it. ”段英子老师帮助这些学生作画，由此推断她可能是一名美术老师。故选A。