人教版选修七：Unit 1 Living well 单元测试B卷（含答案）

Unit 1 Living well B卷 能力提升—2021-2022学年高二英语人教版选修七单元测试AB卷 第一部分 阅读理解（共两节，满分50分） 第一节 （共15小题；每小题2.5分，满分37.5分） 阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。 A To help make up for sleep lost during marathon night flight, migrating (迁徙)birds take hundreds of power naps(小睡) during the day,each lasting a few seconds. Every autumn,Swanson’s thrushes(画眉鸟) fly up to 3,000 miles from their breeding grounds in northern Canada and Alaska to spend winter in Central and South America. Spring coming, the birds make the long trip back. The birds fly mostly at night and often for long hours at a time leaving little time for sleep. So to get through these tiresome periods, thrushes,during autumn and spring when the birds are normally migrating,change their sleep patterns, staying awake at night and resting during the day. But instead of sleeping for a long period at a time, the birds took several naps a day. each one lasting only 9 seconds on average. The thrushes also mixed up their shut-eye sessions with two other forms of sleep. In one,called unilateral eye clcxsure,or UEC, the birds rested one eye and one half of their brains while the other eye and half brain remained open and active, protecting them from danger. The birds also occasionally slipped into another state, one that any college student who has ever been stuck in a boring lecture can relate to. Called drowsiness(假寐), this state is characterized by a partial shutting of both eyes that still allows for some visual processing. “In terms of quality,drowsiness may be less useful than normal sleep, but it may also be safersaid Fuchs. What's interesting is that even animals should make up for sleep loss. That a need for sleep cannot be lost even in these birds means the importance of sleep for many, if not all, animals, not to mention humans. 1.What would be the best title for the text A.Migrating Birds Travel for Long Hours B.Migrating Need Help C.How Birds Migrate During Autumn D.Migrating Birds Take Many Daily Power Naps 2.According to the text, when having drowsiness, the thrushes _____. A.will rest one eye and keep the other active B.will often sleep during day C.will still be careful with the possible dangers D.will not see anything in front of them 3.What can we learn from the text A.Sleep is important for both animals and human beings. B.Animals need sleep lo rest. C.Migrating birds need sleep only during day. D.College students often have drowsiness in autumn. B “No matter how hard you train,if you don't sleep enough,you will lose,” my brother,who just won the South German bodybuilding championship last Sunday, told me. Like food and exercise, sleep is a major pillar of your health. In almost anything you can think of一weight loss, building up muscles, learning something new, preparing for a test or flying a plane persons who sleep enough will perform at their highest levels and get the best results. In today's worl ... ...