When your child is supposed to be doing homework, are they chatting with their friends on Facebook or playing games?
Many studies have shown that multitasking doesn't 1 , 2 your child is probably proudly claiming they can do ten things 3 ! Many people believe that they can 5 two or more tasks at the same time, but Dr. Edward Hallowell says this is 5 . The reality is that multitasking 6 poor job performance.
New handheld 7 such as smartphones, iPads, games and social networking sites make it very easy to multitask and "attention 8 " leading to difficulty focusing on the task 9 , such as listening in the classroom or doing homework. " 10 , the brain actually 11 kids for multitasking even though your child's performance on every task gets worse and worse. Kids don't know that they are doing 12 because they feel better when they multitask," says Dr. Edward Hallowell.
13 the appearance of handheld devices and social networking sites, teachers have noticed a difference in 14 performance, critical thinking skills and how information is 15 . "Multitasking prevents people from gaining a deep understanding of the information they are trying to learn," says Dr. Edward Hallowell. Kids have a difficult time sticking with a "difficult to understand" topic and 16 to allow themselves to be distracted (注意力分散的), to tune out and switch 17 to Facebook or using their cell phones 18 working harder at understanding a difficult subject or problem. In the long 19 multitasking affects grades. One study shows that kids that use the Internet while in class do 20 on tests, resulting in lower grades.
1.A.play B.understand C.use D.work
2.A.only if B.even though C.so that D.no wonder
3.A.at the same time B.right away C.in no time D.at random
4.A.advocate B.deal C.perform D.prefer
5.A.impossible B.important C.impatient D.impolite
6.A.results in B.results from C.exists in D.exists from
7.A.designs B.discoveries C.equipment D.evidence
8.A.attract B.draw C.pay D.share
9.A.at hand B.on time C.on schedule D.at times
10.A.Uncertainly B.Unfortunately C.Universally D.Undoubtedly
11.A.remains B.rewards C.regards D.reflects
12.A.better B.well C.bad D.worse
13.A.Since B.Before C.When D.While
14.A.accidental B.Accurate C.accessible D.academic
15.A.produced B.Processed C.possessed D.promoted
16.A.tend B.attend C.intend D.pretend
17.A.out B.on C.off D.over
18.A.except for B.rather than C.more than D.apart from
19.A.run B.walk C.journey D.distance
20.A.hardly B.successfully C.poorly D.mildly
1.D; 2.B; 3.A; 4.C; 5.A; 6.A; 7.C; 8.D; 9.A; 10.B;
11.B; 12.D; 13.A; 14.D; 15.B; 16.A; 17.D; 18.B; 19.A; 20.C
解析：1.选D 根据下文中的"The reality is that multitasking __6__ poor job performance."可推知，同时做很多事情并没有什么效果。work"有效，起作用"。
2.选B 根据语境可知,空处上下句之间存在逻辑上的让步关系,even though"虽然,尽管",符合语境。
3.选A 根据下文中的"Many people believe that they can __4__ two or more tasks at the same time"可知，孩子们会声称能同时做十件事情。at once"同时"。
4.解析:选C 根据语境可知,许多人相信他们可以同时做两件或是更多事情。perform"做,执行,履行"。
5.解析:选A 根据下文中的"poor job performance"可知,Dr. Edward Hallowell认为同时做多项任务是不可能的。故A项正确。
6.解析：选A 根据语境尤其是"poor job performance"可推知，同时做多项任务的结果很不好。result in"导致，造成"。
7.选C 根据空后的"smartphones, iPads"可知，此处表示新的便携式装备，故C项正确。下文第13空后的"handheld devices"也是信息提示。
8.选D 根据下文中的"leading to difficulty focusing on the task"可推知，多任务容易分散注意力。share"共享，共用"。
9.选A 根据空后的"such as listening in the classroom or doing homework"可知,这些都是手头要做的事。at hand"在手边"。
10.选B 根据第一段最后两句可知,Dr. Edward Hallowell并不赞成多任务行为,因此当大脑给这种行为以肯定或鼓励时,他认为是不幸的。
11.选B 根据空后的"even though"可知,空处与worse形成对比,由此可推知大脑反而鼓励这种多任务行为。reward"奖赏,报答"。
12.选D 根据上文中的"gets worse and worse"和空后的"because they feel better when they multitask"可知，孩子们并不知道自己变得更糟糕。
13.选A 结合空后现在完成时的运用可知,此处应用连词since"自从……之后"引导时间状语从句。
14.选D 根据上文的"teachers"可推知，老师们注意到学生们在学业上的差异。academic"学术的，学业的"。
15.选B 根据下文中的"Multitasking prevents people from gaining a deep understanding of the information they are trying to learn"可知，这些便携式工具的出现改变了学生处理信息的方式。process"处理"。
16.选A 根据空前的"Kids have a difficult time sticking with a 'difficult to understand' topic"可知,孩子们很难坚持一个理解起来有困难的话题,他们的注意力往往会分散。tend to do sth."往往会发生某事"。
17.选D 根据语境可知，既然注意力分散了，孩子们就有可能转而关注学习之外的东西。switch over to"转向"。
18.选B 根据语境可知，孩子们去玩手机或Facebook，而不是更努力地学习。rather than"而不是"。
19.选A in the long run为固定短语,意为"从长远来看",符合语境。
20.选C 根据空后的"resulting in lower grades"可知，在课堂上上网的孩子考试成绩差。