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

　　【選項】

　　A.simplify routine matters

　　B.absorb user attention

　　C.better interpersonal relations

　　D.increase work efficiency

　　【答案】B

　　【解析】由題干中的關鍵詞Jenny Radesky, 可以快速的定位到文中提到此人物的第一段第二行，接著題干中說digital products are designed to..可以知道，考查的是數碼產品的目的，回歸到文中第一段第二行，可知Jenny Radesky說了這樣一句話：Tech is designed to really suck on you in, and digital products are there to promote maximal engagement....電子產品就是為了促進最大程度的參與性，由此可以得出答案B為了吸引用戶的注意力。其余選項在Jenny Radesky的話中都沒有體現。 點擊預約 逐題權威視頻解析

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

　　【選項】

　　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】由題干中的關鍵詞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. 從這里可以知道，母親使用手機會減少20%的語言交流機會，39%的非語言交流。由此可以得出答案為D.減少了母親和孩子之間的交流。點擊預約 逐題權威視頻解析

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

　　【選項】

　　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】本題目是具體細節題。題干中的關鍵詞Radesky和still face experiment定位到倒數第三段大寫R處，題目問實驗一定要找實驗結論，結論在本段最后一句的but之后，這里提到了parents need be to responsive ...to...emotional need，父母需要對情感需求做出回應。正確答案D是原文的原詞復現。干擾項A的blank expressions是原文實驗里面的具體內容，非實驗表明;選項B是最后一句的個別詞干擾;選項C偷換概念，不是children are insensitive，而是parents。 點擊預約 逐題權威視頻解析

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

　　【選項】

　　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】本題目為具體細節題。根據題干的關鍵詞oppressive ideology和大寫字母Tronick定位到最后一段的第一句話that之后。本句that后的demands對應題干的requires，說道“父母應該總是要交流”。正確選項C的constant interaction對應原文的always interacting。干擾項A的fantasies是定位句下一句中的個別詞干擾;選項B的30000words同樣是定位句之后的句子中提到的，而且是if的一個條件句;選項D的concerned是末段首句的concerned，但是偷換概念。 點擊預約 逐題權威視頻解析

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

　　【選項】

　　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】本題目為文中人物觀點的細節題。根據題干中的大寫字母Tronick及關鍵詞kid定位到最后一段的倒數第三句，破折號后面解釋了kid’s use of screens的具體目的。“it gives parents time to...”與正確選項A完全一致，屬于原文的原詞復現。干擾項B的creative并未提及;選項C的homework根據原文的housework進行干擾，原文是父母有時間做家務，而選項是幫助孩子做作業;選項D的attentive并未提及。點擊預約 逐題權威視頻解析

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