When danger comes in the form of a snake or a monkey, the young hoatzins—maybe three in one family—jump over the side and into the river.They swim about under the water until it is safe to return and then, using their claws, lift themselves up through the branches and get back home.When they have learned to fly they lose their claws and escape enemies not by swimming but by flying off, in a slow and heavy way, to a neighbouring tree.

　　1．What is the text mainly about?

　　A．Hoatzins in dry and rainy seasons.

　　B．The relatives and enemies of hoatzins.

　　C．Primitive birds and hoatzins of the Amazon.

　　D．The appearance and living habits of hoatzins.

　　2．Young hoatzins are different from their parents in that________.

　　A．they look like young cuckoos

　　B．they have claws on the wings

　　C．they eat a lot like a cow

　　D．they live on river banks

　　3．What can we infer about primitive birds from the text?

　　A．They had claws to help them climb.

　　B．They could fly long distances.

　　C．They had four wings like hoatzins.

　　D．They had a head with long feathers on the top.

　　4．Why do hoatzins collect together in smaller groups when the rainy season comes?

　　A．To find more food.

【2017届高三英语一轮复习课时作业10：Unit 4《Wildlife protection》（新人教版必修2）】相关文章：

★ 2014届高考英语一轮复习课时作业(四十二)选修7Module 6《The Worlds Cultural Heritage》（外研版）

★ 2014届高考英语一轮复习课时作业(四)必修1Module 4《A Social Survey—My Neighbourhood》（外研版）

★ 四川省2016届高考英语一轮复习课时作业（37） Module 1 Basketball 外研版选修8

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（18）模块6 《Unit 18 Beauty》（含解析） 北师大版必修1

★ 2014届高考英语一轮复习课时作业(二十二)必修4Module 4《Great Scientists》（外研版）

★ 【浙江专用】2014届高考英语一轮复习课时作业(十六)必修4Unit 1《Women of achievement》

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（17）模块6 《Unit 17 Laughter》（含解析） 北师大版必修1

★ 【浙江专用】2014届高考英语一轮复习课时作业(三十六)选修8Unit 1《A land of diversity》

★ 【浙江专用】2014届高考英语一轮复习课时作业(三十三)选修7Unit 3《Under the sea》

★ 四川省2016届高考英语一轮复习课时作业（28） Module 4 Carnival 外研版必修5