2019届高三复习跟踪检测英语试卷(1)【含答案及解析】

1、2019 届高三复习跟踪检测英语试卷（1）【含答案及解析】姓名_班级_分数_题号总分得分、阅读理解1.阅读理解。It is 7am andthe alarm is going off. You knowyouhave tobe outof bed to catch the bus. But theurgeto buryyourselfin the bed is ever so strong.Soundsfamiliar?Why is it that tee ns find it difficultto get themselves out of bed in time every morni

2、ng or stay sharp and focused duri ng the first coupleof hours of school?During adolesce nee, the body goes through many cha nges and these in clude a shift in sleeppatter ns. Researchers from MIT have bee n track ing the bodys n eed for sleep in teen agers. Theyfound that though adolesce nts n eed a

3、s much as 9.5 hours of sleep a day, they get to bed later andlater with each pass ing year. In fact, the sleep cycle shifts later by as much as 12 to 18 minu teseach year betwee n the ages of 10 and 20! So by the time a 10-year-old who sleeps at 8 pm growsto be 17 or 18, his body naturally wants to

4、stay up till 10:30 pm or 11pm.Accord ing to researchers, this is because of a horm onecalled melatonin （褪黑激素）that is secreted （分泌）by thepin eal gla nda tiny structure deep in side the brain.Melatonin regulates the bodys natural day-night rhythms. It causes a person to become sleepy bylowering his bo

5、dys core temperature. In teens, melatonin is secreted much later in the evening andcontinues to increase throughout the night. This makes it difficult for teens to fall asleep earlier asthey did in their younger years. Likewise, the effect of melatonin continues until much later in themorning, makin

6、g it hard for them to wake up early.A study found that at least one in four teens is tired and falls asleep in school at least once a week.During sleep, important body functions and brain activities happen. So how can teenagers get theirsleep enough? The American Academy of Pediatrics (AAP) recommen

7、ds that middle and highschools should start laternot before 8：30 am. This should giveteens some more time to sleep at night.1. From Paragraph 2, we can learn that if you sleep late,the next day you should _ .Astay sharp_ BCget up late _ D2. What does the underlined word refer to?AThe students want t

8、o stay up.BThe shifts of the sleep cycle.CThe pineal gland secretes melatonin.DThe adolescents sleep late.3. The teens go to sleep later than before because _Amelatonin is secreted much later Bmelatonin regulates the sleep time Cthey sleep a lot inthe daytime Dthey need to finish their homework4. Ac

9、cording to AAPs recommendation, middle and high schools shouldAlet teens sleep in the day Blet the students be active Cdelay the start timeDstart later at 8 am 2.阅读理解。Big messaging apps abroadskip breakfaststay up late“this”in Paragraph 3While WeChat is Chinas biggest mobile messaging app (件), there

10、 aremany equivalent apps in other countries that offer similar features.WhatsApp (US)Users: more than 300 millionPlatforms: Android, iOS, Windows Phone, BlackBerryFeatures: text chats, push-to-talk, file sharing, location sharingWith more than 300 million active users, WhatsApp is one of WeChatsbigg

11、est competitors. Developed by two ex-Yahoo employees in 2009,WhatsApp originally focused on text chats, but on Aug. 6 it also startedpush-to-talk service. Its noted for its accessibility, ease of use and theabsence (没有) of adverts. The service is free for the first year, after whichD|S0.99 (6.06 yua

12、n) is charged for a one-year subscription.Kakao Talk (South Korea)Users: more than 100 millionPlatforms: Android, iOS, Windows Phone, BlackBerry and Bada (anoperating system developed by Samsung)Features: text chats, group chats, push-to-talk, group calls, file sharingWith more than 100 million user

13、s in more than 230 countries, Kakao Talk isa multi-platform (多平台application that allows users to send and receivemessages for free. With Kakao Talk, users can message each otherone-on-one or in group chats with unlimited numbers of friends. You canalso choose from more than 250 animated emoticons an

14、d share them withfriends.Line (Japan)Users: more than 200 millionPlatforms: Android, iOS, Windows Phone, BlackBerry and PC Features: text chats, group chats,push-to-talk, file sharing, location sharing, gaming, stickersLine tops the list of the most downloaded free apps in 52 countries. Apart from t

15、ext and voicemessaging, Line provides its users with more than 250 original stickers and emoticons to buy fromits own shop. In the first quarter of 2013 alone, it made D|S17 million just from stickers.The popular app also allows frie nds to battle each otherin the Line games.1. The first paragraph o

16、f the passage is used to _.A.introduce the most popular mobile messaging apps in ChinaB. talk about new features in the latest mobile messaging appsC. draw readers attention to various popular mobile messaging appsD. explain how mobile messaging apps have become so popular2. Compared with the other

17、two apps, which of the followi ng features makes Line sta nd out?A.Group mobile games.B. Free stickers and emoticons.应用软) textingC.Free dow nl oad of the app.D.Text and group chats.3. One of the popular features of WhatsApp is that usersA.can send and receive messages for free B.can enjoy live video

18、 chats withi n groups C.dontn eed to worry about unwan ted ads D.regularly get free stickers and emotic ons3.阅读理解。Pilates, yoga and the running machi ne get all the atte nti on whe n it comes to popular ways to stayhealthy.There is, however, a more humble exercise that might notbe so attractive, but

19、 has all the ben efitswalk ing.Certified fit ness professi onal Jolynn Jaekel expla ins,“What Ilove about walk ing is that anyone can do it at any age and any fit ness level. Plus, it is good for yourheart, your head and your wallet.”A recent report details the health ben efits of walki ng. Therepor

20、t found that walk ing regularly to fulfill the 150minu tes of moderate physical exercise every week, recomme ndedby the UKs chief medical officer, could save 37,000 lives each year. Scientists at the Lawrence BerkeleyNational Laboratory in California found that quick walking reduces the risk of hear

21、t disease more effectivelythan running. They observed par ticipants aged between 18 and 80 over a six-year period and found thatwalking reduced the risk of heart disease by 9.3%, while running reduced it by 4.5%. And there is even moregood news: 30 minutes of quick walking over five days could help

22、you sleep easily, according to research byOregon State University. The study by the university showed that walking helped participants sleep betterand feel more alert during the day.The sooner you get started, the sooner youll notice the differences in your mind and body. So, go out for your30-minut

23、e walk in a nearby p ark or green space.1. The underlined word“humble”in the first paragraphprobably means“ _”Aplain_ BrelaxingCpopular _ Dactive2. What does Jolynn Jaekel think of walking? AIts loved by people of all ages. BIts much healthier thanrunning. CIts a money-saving physical exercise. DIts

24、 becoming more and more popular.3.What did scientists at the Lawrence Berkeley National Laboratory find?AWalking helps people with sleep problems. BWalking contributes to curing heart disease.CWalking 150 minutes per week can save lives. DWalking is better than running in some cases.4. In which section of a newspaper can we read this text? AComment.BLifestyle.CEducation. _ DScience.参考答案及解