甘肃省天水市、兰州市2017届高三下学期一模考试英语试卷_高中英语试卷

甘肃省天水市、兰州市2017届高三下学期一模考试英语试卷

　　阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。

　　When your child is supposed to be doing homeworkare they chatting with their friends on Facebook or playing games?Many studies have shown that multitasking doesn’t 21 , 22 your child is probably proudly claiming they can do ten things 23 ! Many people believe that they can 24 two or more tasks at the same time,but Dr.Edward Hallowell says this is 25 .The reality is that multitasking 26 poor job performance.

　　New hand-held 27 such as smartphones,iPads,games and social networking sites make it very easy to multitask and “attention 28 ” leading to difficulty focusing on the task 29 ,such as listening in the classroom or doing homework.“ 30 ,the brain actually 31 kids for multitasking even though When your child is supposed to doing homework performance on every task gets worse and worse.Kids don't know that they are doing 32 because they feel better when they multitask,”says Dr Edward Hallowell.

　　33 the appearance of hand-held devices and social networking sites,teachers have noticed a difference in 34 performance,critical thinking skills and how information is 35 .“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 36 to allow themselves to be distracted(分散的)to tune out and switch 37 to Facebook or using their cell phones 38 working harder at understanding a difficult subject or problem.In the long 39 ,multitasking affects grades.One study showed that kids that use the Internet while in class did 40 on tests resulting in lower grades.