帝王蝶的跨洲之旅
As a student from China, would you like to visit Canada, the US or Mexico? There you can see amazing monarch butterflies. They travel to these countries. They fly south in autumn and north in spring.

Fly South in Autumn Every year, before winter, orange and black monarch butterflies leave Canada and the north of the US. They travel about 3,200 kilometres south to Mexico, and live in the warm forests. They are like big green umbrellas, keeping the butterflies warm.
Fly Back North in Spring When spring comes and it gets warmer in Canada and the north of the US, the butterflies fly back to lay eggs. After that, they die. Once the eggs hatch, new butterflies come out.
Monarch butterflies have an amazing life. Their migration and life cycle happen each year. It's fantastic!
一、根据文章内容选择最佳选项。
()1. What colours are monarch butterflies?
A. Green and yellow. B. Orange and black. C. Green and orange.
()2. When do monarch butterflies travel to Mexico?
A. In spring. B. In autumn. C. In winter.
()3. [推理判断] What are compared to "big green umbrellas"?
A. Eggs. B. Butterflies. C. Forests.
()4. Where are new monarch butterflies born?
A. In Mexico. B. In China. C. In Canada and the north of the US.
二、[新考法 开放问答] 根据文章内容回答问题。
What do you think of the life of monarch butterflies? Why?
I think the life of monarch butterflies is , because .

一、1. B 细节理解题。文章中提到“orange and black monarch butterflies”，所以帝王蝶的颜色是橙色和黑色。
2. B 细节理解题。文章中提到“Every year, before winter, orange and black monarch butterflies leave Canada and the north of the US. They travel about 3,200 kilometres south to Mexico”，所以帝王蝶是在秋季飞往墨西哥。
3. C 推理判断题。文章中提到“They are like big green umbrellas, keeping the butterflies warm.”，这里的“They”指的是墨西哥的“warm forests”，所以是把森林比作绿色的大伞。
4. C 细节理解题。文章中提到“When spring comes and it gets warmer in Canada and the north of the US, the butterflies fly back to lay eggs. After that, they die. Once the eggs hatch, new butterflies come out.”，所以新的帝王蝶是在加拿大和美国北部诞生的。
二、amazing; their migration and life cycle happen each year