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From the user’s point of view ISDN will be a complex worldwide network.（)
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Radesky has studied the use of mobile phones and tablets at mealtimes by giving mother-child pairsa food-testing exercise. She found that mothers who sued devices during the exercise started 20percent fewer verbal and 39 percent fewer nonverbal interactions with their children. During aseparate observation, she saw that phones became a source of tension in the family. Parents wouldbe 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 areblank and unresponsive—as they often are when absorbed in a device－it can be extremely7disconcerting foe the children. Radesky cites the “still face experiment ” devised by developmentalpsychologist Ed Tronick in the 1970s.
In it, a mother is asked to interact with her child in a normalway before putting on a blank expression and not giving them any visual social feedback; The childbecomes increasingly distressed as she tr ies to capture her mother ’s attention. "Parents don&39;t have tobe exquisitely parents at all times, but there needs to be a balance and parents need to be responsiveand sensitive to a child ’s verbal or nonverbal expressions of an emotional need," says Rade sky. On the other hand, Tronick himself is concerned that the worries about kids&39; use of screens are bornout of an “oppressive ideology that demands that parents should always be interacting children: “It’s based on a somewhat fantasized, very white, very upper-middle-class ideology thatsays if you’re failing to expose your child to 30,000 words you are neglecting them.”
Tronickbelieves that just because a child isn ’t learning from the screen doesn ’t mean there －particularly if it gives parents time to have a shower, do housework or simply have a break fromtheir child. Parents, he says, can get a lot out of using their devices to speak to a friend or get somework out of the way. This can make them feel happier, which lets then be more available to theirchild the rest of the time.
26.According to Jenny Radesky, digital products are designed to ______.
A.simplify routine matters
B.absorb user attention
C.better interpersonal relations
D.increase work efficiency
Radesky’s food -testing exercise shows that mothers ’ use of devices ______.A.takes away babies ’ appetite
B.distracts children ’s attention
C.slows down babies ’ ver bal development
D.reduces mother-child communication
Radesky’s cites the “still face experiment ” to show that _______.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
The oppressive ideology mentioned by Tronick requires parents to_______.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
According to Tronick, kid ’s use of screens may_______.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
The Internet has led to a huge increase in credit-card (信用卡) fraud. Your card information could even be for sale in an illegal Web site (网站).
Web sites offering cheap goods and services should be regarded with care. On-line shoppers who enter their credit-card information may never receive the goods they thought they bought. The thieves then go shopping with your card number or sell the information over the Internet.
Computers hackers (黑客) have broken down security (安全) systems , raising questions about the safety of cardholder information.
Several months ago, 25, 000 customers of CD Universe, an on-line music retailer (批发商) , were not lucky. Their names, addresses and credit-card numbers were posted on a Web site after the retailer refused to pay US $ 157, 828 to get back the information.
Credit-card firms are now fighting against on-line fraud. Mastercard is working on plans for web—only credit-card, with a lower credit limit. The card could be used only for shopping on-line. However, there are a few simple steps you can take to keep from being cheated.
Ask about your credit-card firm's on-line rules; Under British law, cardholders are responsible (对……负有责任的)for the first US $ 78 of any fraudulent spending.
And shop only at secure sites: Send your credit-card information only if the web site offers advanced secure system.
If the security is in place, a letter will appear in the bottom right-hand corner of your screen. The Web site address may also start with https://—the extra"s" stands for secure. If in doubt, give your credit-card information over the telephone.
Keep your password safe. Most on-line sites require a user name and password before placing an order. Treat your passwords with care.
What do most people worry about the Internet according to this passage？
A．A lot of stolen credit-cards were sold on the Internet.
B．Fraud on the Internet.
C．Many Web sites are destroyed.
D．Many illegal Web sites are on the Internet.
Chris Even’s husband is from ______.
A．England
B．France
C．the U.S.
D．Australia
Where did Ruth Handler's inspiration for the design of the Barbie doll come from？
A．Barbie
B．Lilli
C．Charlotte Johnson
D．A fashion designer
From the passage we can see that the writer's attitude toward "village life" is
A．positive
B．negative
C．neutral
D．unclear
We have learnt a lot from the ______.
A．three month's training course
B．three-month training course
C．three-month-training course
D．three months training course
A．Valley Forge
B．Fort Benning
C．Prussia
D．Washington's hometown
It is a ______ride from his home to the shopping center.
A. ninety-miles
B. ninety-mile's
C. ninety miles
D. ninety-mile
The fire ______ two persons' death as well as the damage of all the store's property.
A．is resulted in
B．is resulted from
C．resulted in
D．resulted from
A.evolved
B.revolved
C.involved
D.resolved
