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　　With so much focus on children's use of screens, it's easy for parents to forget about their own screen use. "Tech is designed to really suck on you in," says Jenny Radesky in her study of digital play, "and digital products are there to promote maximal engagement. It makes it hard to disengage, and leads to a lot of bleed-over into the family routine."

　　Radesky has studied the use of mobile phones and tablets at mealtimes by giving mother-child pairs a food-testing exercise. She found that mothers who sued devices during the exercise started 20 percent fewer verbal and 39 percent fewer nonverbal interactions with their children. During a separate observation, she saw that phones became a source of tension in the family. Parents would be looking at their emails while the children would be making excited bids for their attention.

　　Infants are wired to look at parents' faces to try to understand their world, and if those faces are blank and unresponsive—as they often are when absorbed in a device-it can be extremely disconcerting foe the children. Radesky cites the "still face experiment" devised by developmental psychologist Ed Tronick in the 1970s. In it, a mother is asked to interact with her child in a normal way before putting on a blank expression and not giving them any visual social feedback; The child becomes increasingly distressed as she tries to capture her mother's attention. "Parents don't have to be exquisitely parents at all times, but there needs to be a balance and parents need to be responsive and sensitive to a child’s verbal or nonverbal expressions of an emotional need," says Radesky.

　　On the other hand, Tronick himself is concerned that the worries about kids' use of screens are born out of an "oppressive ideology that demands that parents should always be interacting" with their children: "It's based on a somewhat fantasized, very white, very upper-middle-class ideology that says if you're failing to expose your child to 30,000 words you are neglecting them." Tronick believes that just because a child isn't learning from the screen doesn't mean there's no value to it-particularly if it gives parents time to have a shower, do housework or simply have a break from their child. Parents, he says, can get a lot out of using their devices to speak to a friend or get some work out of the way. This can make them feel happier, which lets then be more available to their child the rest of the time.

　　26.【题干】According to Jenny Radesky, digital products are designed to ______.

　　【选项】

　　A.simplify routine matters

　　B.absorb user attention

　　C.better interpersonal relations

　　D.increase work efficiency

　　【答案】B

　　【解析】由题干中的关键词Jenny Radesky, 可以快速的定位到文中提到此人物的第一段第二行，接着题干中说digital products are designed to..可以知道，考查的是数码产品的目的，回归到文中第一段第二行，可知Jenny Radesky说了这样一句话：Tech is designed to really suck on you in, and digital products are there to promote maximal engagement....电子产品就是为了促进最大程度的参与性，由此可以得出答案B为了吸引用户的注意力。其余选项在Jenny Radesky的话中都没有体现。 点击预约 逐题权威视频解析

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　　27.【题干】Radesky's food-testing exercise shows that mothers' use of devices ______.

　　【选项】

　　A.takes away babies' appetite

　　B.distracts children's attention

　　C.slows down babies' verbal development

　　D.reduces mother-child communication

　　【答案】D

　　【解析】由题干中的关键词food-testing exercise, mother’s use of devices. 可以快速的定位到第二段第二行:She found that mothers who sued devices during the exercise started 20 percent fewer verbal and 39 percent fewer nonverbal interactions with their children. 从这里可以知道，母亲使用手机会减少20%的语言交流机会，39%的非语言交流。由此可以得出答案为D.减少了母亲和孩子之间的交流。点击预约 逐题权威视频解析

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　　28.【题干】Radesky's cites the "still face experiment" to show that _______.

　　【选项】

　　A.it is easy for children to get used to blank expressions

　　B.verbal expressions are unnecessary for emotional exchange

　　C.children are insensitive to changes in their parents' mood

　　D.parents need to respond to children's emotional needs

　　【答案】D

　　【解析】本题目是具体细节题。题干中的关键词Radesky和still face experiment定位到倒数第三段大写R处，题目问实验一定要找实验结论，结论在本段最后一句的but之后，这里提到了parents need be to responsive ...to...emotional need，父母需要对情感需求做出回应。正确答案D是原文的原词复现。干扰项A的blank expressions是原文实验里面的具体内容，非实验表明;选项B是最后一句的个别词干扰;选项C偷换概念，不是children are insensitive，而是parents。 点击预约 逐题权威视频解析

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　　29.【题干】The oppressive ideology mentioned by Tronick requires parents to_______.

　　【选项】

　　A.protect kids from exposure to wild fantasies

　　B.teach their kids at least 30,000 words a year

　　C.ensure constant interaction with their children

　　D.remain concerned about kid's use of screens

　　【答案】C

　　【解析】本题目为具体细节题。根据题干的关键词oppressive ideology和大写字母Tronick定位到最后一段的第一句话that之后。本句that后的demands对应题干的requires，说道“父母应该总是要交流”。正确选项C的constant interaction对应原文的always interacting。干扰项A的fantasies是定位句下一句中的个别词干扰;选项B的30000words同样是定位句之后的句子中提到的，而且是if的一个条件句;选项D的concerned是末段首句的concerned，但是偷换概念。 点击预约 逐题权威视频解析

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　　30.【题干】According to Tronick, kid's use of screens may_______.

　　【选项】

　　A.give their parents some free time

　　B.make their parents more creative

　　C.help them with their homework

　　D.help them become more attentive

　　【答案】A

　　【解析】本题目为文中人物观点的细节题。根据题干中的大写字母Tronick及关键词kid定位到最后一段的倒数第三句，破折号后面解释了kid’s use of screens的具体目的。“it gives parents time to...”与正确选项A完全一致，属于原文的原词复现。干扰项B的creative并未提及;选项C的homework根据原文的housework进行干扰，原文是父母有时间做家务，而选项是帮助孩子做作业;选项D的attentive并未提及。点击预约 逐题权威视频解析

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