1、 R U awake? Brandon s use of technology doesn t stop there. He also has a computer, a TV and three video-game consoles (控制台 ) in his room. With so many choices, it s no surprise that when he isn t at school, he spends nearly every waking minute using one or more of these devices. Brandon is hardly a
2、lone. According to a recent study by the Kaiser Family Foundation, kids aged 8 to18 are spending more time than ever before using electronic devices. How much time? More than seven and a half hours a day on average, the study found. The jump is the result of a huge explosion in mobile devices, says
3、Victoria Rideout, the lead author of the study. Today, nearly seven out of ten kids have cell phones. Just five years ago, it was four out of ten. Often, kids multitask, or use more than one device at a time. If youve got a chance to do something on your computer and take a phone call and have the T
4、V on in the background, why not? media expert Cheryl Olson says. Most experts agree technology has much to offer kids. But some worry the kids could be missing out on other activities like playing outside or hanging out with friends. s a matter of balance, says Olson. Youve got to work on it. Multit
5、asking while doing homework is another concern. Some kids listen to music, watch TV or use the phone while doing their homework. It s important to make sure that you can stop and concentrate on one thing deeply, says Rideout. With new and exciting devices hitting stores every year, keeping technolog
6、y use in check is more important than ever. Kids should try, adds Rideout. But parents might have to step in sometimes. 21.Why do children spend more time in using electronic devices? A. Because electronic devices are more exciting than before. B. Because more electronic devices are available to the
7、m. C. Because they have less other activities. D. Because they have less homework to do.22.It is known from the passage that _. A. Brandon Blanco feels very annoyed about his late-night text B. the teenagers using mobile devices have increased by 30% in the past five years C. most experts think teen
8、agers should not use electronic devices for their studies D. Cheryl Olson is not surprised about kids increasing use of mobile devices 23.Which of the following is an example of multitasking according to the passage?A. Playing video games on the Internet.B. Talking on the phone while staying with ot
9、hers.C. Watching TV while using the computer. D. Listening to music while relaxing.24.The underlined phrase in check in the last paragraph can be replaced by _. A. in order B. in control C. in store D. in sight BIt is quite reasonable to blame traffic jams, the cost of gas and the great speed of mod
10、ern life, but manners on the road are becoming horribleEverybody knows that the nicest men would become fierce tigers behind the wheelIt is all right to have a tiger in a cage, but to have one in the drivers seat is another matter altogether.Road politeness is not only good manners, but good sense t
11、ooIt takes the most cool-headed drivers great patience to give up the desire to beat back when forced to face rude drivingOn the other hand, a little politeness goes a long way towards reducing the possibility of quarrelling and fightingA friendly nod or a wave of thanks in answer to an act of polit
12、eness helps to create an atmosphere of good will and calm so necessary in modern traffic conditionBut such behaviors of politeness are by no means enoughMany drivers nowadays dont even seem able to recognize politeness when they see it.However, misplaced politeness can also be dangerousTypical examp
13、les are the driver who waves a child crossing the street at a wrong place into the path of oncoming cars that may be not able to stop in timeThe same goes for encouraging old ladies to cross the road wherever and whenever they want toIt always amazes me that the highways are not covered with the dea
14、d bodies of these grannies (奶奶).An experienced driver, whose manners are faultless, told me it would help if drivers learnt to correctly join in traffic stream without causing total blockages that give rise to unpleasant feelingsUnfortunately, modern drivers cant even learn to driveYears ago, expert
15、s warned us that the fast increase of the car ownership would demand more give-and-take from all road usersIt is high time for all of us to take this message to heart.25. According to the passage, troubles on the road are often caused by . Aroad conditions Bthe behavior of the drivers Cthe speed of
16、modern life Dthe large number of cars26.In the writers opinion, . Aunskillful drivers should be punished Bstrict traffic rules are badly needed Cdrivers should show road politeness properlyD. drivers should avoid traffic jams27.The underlined word “give-and-take” in the passage means . Apoliteness a
17、nd impoliteness Bgood manners and bad manners Cwillingness to give in to each others wishes Doffering help to others as much as possible 28What is the best title of the passage? ATraffic Problems BRoad Politeness CBad Manners on the Road DGood Drivers and Bad Drivers C Climate change,pollution,overu
18、se of water and development are killing some of the worlds most famous rivers including Chinas YangtzeIndias Ganges and Africas NileWWF said on TuesdayAt the global launch of its report “Worlds Top 10 Rivers at Risk”,the group said many rivers could dry out. affecting hundreds of millions of people
19、and killing unique aquatic(水生的)life “If these rivers die,millions will lose their livelihoods,biodiversity(生物多样性)will be destroyed on a massive scale,there will be less fresh water and agriculture,resulting in less food security,”saidRayi Singh,secretarygeneral of WWFIndiaThe report,launched ahead o
20、f“World Water Day”today,alsocited the Rio Grande inthe United States,the Mekong and Indus in Asia,Europes Danube, La Plata in South America and Australias MurrayDarling as in need of greater protection Rivers are the worlds main source of fresh water and WWF says about half of the available supply i
21、s already being used upDams have destroyed habitats and cut rivers off from their flood plainswhile climate change could affect the seasonal water flows that feed them,the report saidFish populations,the top source of protein and overall life support for hundreds of thousands of communities worldwid
22、e,are also being threatened, it foundThe Yangtze basin is one of the most polluted rivers in the world because of decades of heavy industrialization,damming and huge influxes(流入)of seaiment(积淀)from land conversion. Climate change,including higher temperatures,also means serious consequences for fish
23、ery productivity,water supply and political security in Africas arid Nile basinTributaries(支流)flowing into the Ganges are drying up because of irrigation,WWF said29We can infer from the text that _. Ahigher temperatures couldnt affect fishery productivity Briversdying out could affect food security
24、Cthere are four Asian rivers mentioned in the passage Dthe Yangtze is polluted thanks to the lack of enough tributaries30The top 10 rivers are fast dying as a result of the following EXCEPT _. A. climate change Bpollution Cwasting water Ddams31WWF is probably a name of _. Aa magazine Ba newspaper Ca
25、n organization Da reportD Twenty years ago, most experts believed that differences in how boys and girls behaved were mainly due to differences in how they were treated by their parents, teachers, and friends. Its hard to cling to that belief today. Recent research has shown that there are biologica
26、l differences between boys and girls. Understanding these differences is important in raising and educating children. For example, girls are born with more sensitive hearing than boys, and the difference increases as kids grow up. So when a grown man speaks to a girl in what he thinks is a normal vo
27、ice, she may hear it as yelling. Conversely (反过来), boys who appear to be inattentive in class may just be sitting too far away too hear the teacher. Likewise, girls are better in their expression of feelings. Studies reveal that negative emotions are seated in an area of the brain called the amygdal
28、a. Girls develop all early connection between this area and the cerebral cortex (大脑皮层), enabling them to talk about their feelings. In boys these links develop later. So if you ask a troubled adolescent boy to tell you what his feelings are, he often cannot say much. Dr. Sax, an advocate of single-s
29、ex education, points out that keeping boys and girls separate in the classroom has yielded striking educational, social, and interpersonal benefits. Therefore, parents and teachers should try to recognize, understand, and make use of the biological differences that make a girl a girl, and a boy a bo
30、y. 32What is the main idea of the passage? A. Boys tend to pay less attention in class than girls. B. Girls are better than boys in their ability to detect sounds. C. Single-sex schools are not good because they keep boys and girls separate. D. Boys and girls behave differently because of biological
31、 differences. 33Why do girls express negative feelings better than boys? A. Girls are more emotional than boys. B. The links between certain parts of the brain develop earlier in girls than in boys. C. The amygdala is located in different areas of the brain for boys and girls. D. Girls have more brain cells than boys.34Which of the following does the author believe? A.
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